MATLAB Function Reference Volume 1: A - E - Bad Request

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dbup 2dbup Purpose Change local workspace context Graphical Interface Syntax dbup 2-394 As an alternative to the dbup function, you can select Step In from the Debug menu in the Editor/Debugger. Description This function allows you to examine the calling M-file by using any other <strong>MATLAB</strong> function. In this way, you determine what led to the arguments being passed to the called function. dbup changes the current workspace context (at a breakpoint) to the workspace of the calling M-file. Multiple dbup functions change the workspace context to each previous calling M-file on the stack until the base workspace context is reached. (It is not necessary, however, to move back to the current breakpoint to continue execution or to step to the next line.) See Also dbclear, dbcont, dbdown, dbquit, dbstack, dbstatus, dbstep, dbstop, dbtype
2ddeadv Purpose Set up advisory link Syntax rc = ddeadv(channel,'item','callback') rc = ddeadv(channel,'item','callback','upmtx') rc = ddeadv(channel,'item','callback','upmtx',format) rc = ddeadv(channel,'item','callback','upmtx',format,timeout) ddeadv Description ddeadv sets up an advisory link between <strong>MATLAB</strong> and a server application. When the data identified by the item argument changes, the string specified by the callback argument is passed to the eval function and evaluated. If the advisory link is a hot link, DDE modifies upmtx, the update matrix, to reflect the data in item. If you omit optional arguments that are not at the end of the argument list, you must substitute the empty matrix for the missing argument(s). If successful, ddeadv returns 1 in variable, rc. Otherwise it returns 0. Arguments channel Conversation channel from ddeinit. item String specifying the DDE item name for the advisory link. Changing the data identified by item at the server triggers the advisory link. callback String specifying the callback that is evaluated on update notification. Changing the data identified by item at the server causes callback to get passed to the eval function to be evaluated. upmtx (optional) String specifying the name of a matrix that holds data sent with an update notification. If upmtx is included, changing item at the server causes upmtx to be updated with the revised data. Specifying upmtx creates a hot link. Omitting upmtx or specifying it as an empty string creates a warm link. If upmtx exists in the workspace, its contents are overwritten. If upmtx does not exist, it is created. 2-395
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MATLAB® MATLAB Function Reference
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1 Functions By Category Development
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Functions By Category 1
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Development Environment Development
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ls List directory on UNIX matlabroo
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Mathematics Mathematics Functions f
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Slash or right matrix divide ' Tran
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Matrix Analysis cond Condition numb
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atan, atanh Inverse tangent and inv
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Correlation corrcoef Correlation co
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Convex Hull convhull Convex hull co
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etainc Incomplete beta function bet
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Tree Operations etree Elimination t
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permute Rearrange dimensions of mul
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int8 Convert to signed 8-bit intege
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Array Manipulation : Specify range
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itxor Bit-wise XOR Relational Opera
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evalc Evaluate MATLAB expression wi
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methodsview Display information on
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open Open files of various types us
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Microsoft WAVE Sound Functions wavp
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gtext Place text on 2-D graph using
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tsearch Search for enclosing Delaun
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3-D Visualization 3-D Visualization
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• Selecting Region of Interest Co
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Creating Graphical User Interfaces
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Controlling Program Execution uires
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Alphabetical List of Functions 2
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axis . . . . . . . . . . . . . . .
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clear . . . . . . . . . . . . . . .
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dbup . . . . . . . . . . . . . . .
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expm . . . . . . . . . . . . . . .
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Arithmetic Operators + - * / \ ^ '
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See Also all, any, find, strcmp Rel
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Logical Operators & | ~ expression
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Special Characters [ ] ( ) {} = ' .
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2Colon : Purpose Create vectors, ar
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2abs Purpose Absolute value and com
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Algorithm acos and acosh use these
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Algorithm acot and acoth use these
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See Also csc, csch acsc, acsch 2-33
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actxcontrol Note There are two ways
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actxserver 2actxserver Purpose Crea
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fig=figure; set(fig,'DoubleBuffer',
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Verify that the files were added to
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[W,ierr] = airy(k,Z) also returns a
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2all Purpose Test to determine if a
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2allchild Purpose Find all children
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• 'rand' - set the AlphaData prop
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2alphamap Purpose Specify the figur
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2angle Purpose Phase angle Syntax P
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2any Purpose Test for any nonzeros
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2area Purpose Area fill of a two-di
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2asec, asech Purpose Inverse secant
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2asin, asinh Purpose Inverse sine a
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2assignin Purpose Assign a value to
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2atan, atanh Purpose Inverse tangen
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2atan2 Purpose Four-quadrant invers
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2audioplayer Purpose Create an audi
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Property Description Type Type Name
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Method Description audiorecorder is
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audiorecorder Examples Example 1 Us
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2auwrite Purpose Write NeXT/SUN (.a
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Parameter Value Default You can als
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2aviinfo Purpose Return information
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2aviread Purpose Read an Audio Vide
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While the basic purpose of an axes
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In this example, the first plot occ
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Property Name Property Description
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Axes Properties objects in the axes
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CameraView Angle [0 1 0] (positive
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Color {none} | ColorSpec Axes Prope
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X-, Y-, Z-Limits following table de
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Axes Properties FontName A name suc
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Axes Properties When a handle’s v
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Axes Properties • replacechildren
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Axes Properties define object handl
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Visible {on} | off Axes Properties
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XMinorGrid, YMinorGrid, ZMinorGrido
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2axis Purpose Axis scaling and appe
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Examples The statements axis off tu
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5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 axis(
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2balance Purpose Improve accuracy o
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Now the eigenvectors are well behav
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ar, barh distinct elements and show
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See Also bar3, ColorSpec, patch, st
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ar3, bar3h •'stacked' displays on
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See Also bar, LineSpec, patch 1 0.5
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2beep Purpose Produce a beep sound
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[H,ierr] = besselh(...) also return
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esseli, besselk and the other is a
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2besselj, bessely Purpose Bessel fu
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0.19602657795532 0.28670098806392 0
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1/168 1/252 1/360 1/495 1/660 In th
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Examples Example 1. bicg(afun,b,tol
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flag = relres = iter = 1 1 0 The va
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4559 This time U2 is nonsingular an
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time to precondition and converge t
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Example Example 1. bicgstab bicgsta
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icgstab flag2 is 0 because bicgstab
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2bin2dec Purpose Binary to decimal
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2bitcmp Purpose Complement bits Syn
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2bitmax Purpose Maximum floating-po
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2bitset Purpose Set bit Syntax C =
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2bitxor Purpose Bit-wise XOR Syntax
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2blkdiag Purpose Construct a block
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2break Purpose Terminate execution
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2builtin Purpose Execute builtin fu
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parameters Optional. A vector that
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function dydx = twoode(x,y) dydx =
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fprintf('The fourth eigenvalue is a
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2bvpget Purpose Extract properties
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solinit is a structure with the fol
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Property Value Description Vectoriz
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2calendar Purpose Calendar Syntax c
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camdolly Remarks camdolly sets the
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Examples This example creates a lig
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See Also campos, camtarget camlooka
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end camorbit Rotation in the camera
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2campos Purpose Set or query the ca
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2camproj Purpose Set or query the p
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2camtarget Purpose Set or query the
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2camup Purpose Set or query the cam
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2camva Purpose Set or query the cam
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2camzoom Purpose Zoom in and out on
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2cart2pol Purpose Transform Cartesi
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2case Purpose Case switch Descripti
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2catch Purpose Begin catch block De
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each time they render. CData values
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The blue color of the ocean is the
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2cdf2rdf Purpose Convert complex di
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2cdfinfo Purpose Return details abo
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Column 5 - Record and Dimension Var
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Examples Read all of the data from
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2cell Purpose Create cell array Syn
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2cell2struct Purpose Convert cell a
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2cellfun Purpose Apply a function t
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2cellplot Purpose Graphically displ
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2cgs Purpose Conjugate Gradients Sq
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Alternatively, use this matrix-vect
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2char Purpose Create character arra
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2checkin Purpose Check file into so
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2checkout Purpose Check file out of
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Example 2 - Check out Multiple File
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Destroy the positive definiteness (
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cholinc michol stands for modified
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0 20 40 60 80 100 120 140 0 50 nz =
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cholinc For hilb(20), the Cholesky
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2cholupdate Purpose Rank 1 update t
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Compare chol with cholupdate: R1 =
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2clabel Purpose Contour plot elevat
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2class Purpose Create object or ret
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2clc Purpose Clear Command Window G
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clear keyword clears the items indi
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To clear all compiled M- and MEX-fu
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2clf Purpose Clear current figure w
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2clock Purpose Current time as a da
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See Also delete, figure, gcf must s
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2closereq Purpose Default figure cl
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2colamd Purpose Column approximate
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2colmmd Purpose Sparse column minim
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See Also colamd, colperm, lu, sppar
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colorbar See Also colormap 10 8 6 4
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2colormap Purpose Set and get the c
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The rgbplot function plots colormap
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2ColorSpec Purpose Color specificat
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2colperm Purpose Sparse column perm
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2comet3 Purpose Three-dimensional c
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2compass Purpose Plot arrows emanat
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2complex Purpose Construct complex
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2computer Purpose Identify informat
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2cond Purpose Condition number with
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2condest Purpose 1-norm condition n
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coneplot(...,'method') specifies th
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3. Add the Slice Planes coneplot
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2conj Purpose Complex conjugate Syn
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2contour Purpose Two-dimensional co
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3 2.5 2 1.5 1 0.5 0 −0.5 −1 −
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2contour3 Purpose Three-dimensional
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2contourc Purpose Low-level contour
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2contourf Purpose Filled two-dimens
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2contourslice Purpose Draw contours
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3 2 1 0 −1 −2 −3 3 2 1 0 −1
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2conv Purpose Convolution and polyn
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In practice however, conv2 computes
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4 2 0 −2 −4 15 This figure comb
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2convhull Purpose Convex hull Synta
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2convhulln Purpose n-D convex hull
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2convn Purpose N-dimensional convol
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2copyobj Purpose Copy graphics obje
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2corrcoef Purpose Correlation coeff
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Algorithm cos and cosh use these al
Page 397 and 398: Algorithm cot and coth use these al
Page 399 and 400: 2cplxpair Purpose Sort complex numb
Page 401 and 402: 2cross Purpose Vector cross product
Page 403 and 404: Algorithm csc and csch use these al
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Page 407 and 408: 2cumprod Purpose Cumulative product
Page 409 and 410: 2cumtrapz Purpose Cumulative trapez
Page 411 and 412: 2curl Purpose Computes the curl and
Page 413 and 414: See Also streamribbon, divergence c
Page 415 and 416: 2cylinder Purpose Generate cylinder
Page 417 and 418: See Also sphere, surf 1 0.8 0.6 0.4
Page 419 and 420: daspect the window). This means set
Page 421 and 422: 2date Purpose Current date string S
Page 423 and 424: Examples Convert a date string to a
Page 425 and 426: dateform (number) dateform (string)
Page 427 and 428: 2datetick Purpose Label tick lines
Page 429 and 430: datetick('x',11) % Replace x-axis t
Page 431 and 432: ans = See Also clock, datenum, date
Page 433 and 434: See Also dbcont, dbdown, dbquit, db
Page 435 and 436: 2dbdown Purpose Change local worksp
Page 437 and 438: dblquad The integrnd function integ
Page 439 and 440: 2dbquit Purpose Quit debug mode Gra
Page 441 and 442: 2dbstatus Purpose List all breakpoi
Page 443 and 444: 2dbstop Purpose Set breakpoints in
Page 445 and 446: Examples The file buggy, used in th
Page 447: 2dbtype Purpose List M-file with li
Page 451 and 452: 2ddeexec Purpose Send string for ex
Page 453 and 454: 2ddepoke Purpose Send data to appli
Page 455 and 456: 2ddereq Purpose Request data from a
Page 457 and 458: 2ddeterm Purpose Terminate DDE conv
Page 459 and 460: 2deal Purpose Deal inputs to output
Page 461 and 462: 2deblank Purpose Strip trailing bla
Page 463 and 464: 2dec2bin Purpose Decimal to binary
Page 465 and 466: 2deconv Purpose Deconvolution and p
Page 467 and 468: 2del2 Purpose Discrete Laplacian Sy
Page 469 and 470: See Also diff, gradient V = 4*del2(
Page 471 and 472: Visualization Use one of these func
Page 473 and 474: 1 0.5 0 −0.5 −1 15 delaunay Nex
Page 475 and 476: 2delaunay3 Purpose 3-D Delaunay tes
Page 477 and 478: delaunay3 [2] National Science and
Page 479 and 480: 3 9 1 5 2 9 1 6 2 3 9 4 2 3 9 1 7 9
Page 481 and 482: 2delete Purpose Delete files or gra
Page 483 and 484: 2delete (serial) Purpose Remove a s
Page 485 and 486: 2depfun Purpose List the dependent
Page 487 and 488: depfun not examine the files on whi
Page 489 and 490: 2det Purpose Matrix determinant Syn
Page 491 and 492: y = -0.0000 1.0000 -2.0000 1.0000 0
Page 493 and 494: 2diag Purpose Diagonal matrices and
Page 495 and 496: 2dialog Purpose Create and display
Page 497 and 498: 2diff Purpose Differences and appro
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2dir Purpose Display directory list
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2disp Purpose Display text or array
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2display Purpose Overloaded method
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2divergence Purpose Computes the di
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2dlmread Purpose Read an ASCII deli
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2dmperm Purpose Dulmage-Mendelsohn
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2docopt Purpose Display location of
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To open the notepad editor and retu
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2double Purpose Convert to double-p
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2drawnow Purpose Complete pending d
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2dsearchn Purpose n-D nearest point
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2edit Purpose Edit or create M-file
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2eig Purpose Find eigenvalues and e
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Examples The matrix eigenvalues, it
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2eigs Purpose Find a few eigenvalue
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eigs(A,K,sigma,opts) and eigs(A,B,k
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[dum,ind] = sort(abs(d)); plot(dlm,
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(lambda - 4.0), where lambda is an
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2ellipj Purpose Jacobi elliptic fun
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2ellipke Purpose Complete elliptic
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2ellipsoid Purpose Generate ellipso
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2elseif Purpose Conditionally execu
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2end Purpose Terminate for, while,
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2eomday Purpose End of month Syntax
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2erf, erfc, erfcx, erfinv, erfcinv
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2error Purpose Display error messag
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errorbar(X,Y,E) 1.4 See Also LineSp
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displays this dialog box on a UNIX
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2etree Purpose Elimination tree Syn
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2eval Purpose Execute a string cont
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2evalc Purpose Evaluate MATLAB expr
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Limitation evalin cannot be used re
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If item is a Java class, then exist
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2exit Purpose Terminate MATLAB (sam
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2expint Purpose Exponential integra
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expm Notice that the diagonal eleme
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2ezcontour Purpose Easy to use cont
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ezcontour See Also contour, ezconto
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f( x, y) 31 ( - x) 2e x2 - ( y + 1)
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2ezmesh Purpose Easy to use 3-D mes
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2ezmeshc Purpose Easy to use combin
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2ezplot Purpose Easy to use functio
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2ezplot3 Purpose Easy to use 3-D pa
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2ezpolar Purpose Easy to use polar
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sqrt(x.^2 + y.^2); is written as: e
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2ezsurfc Purpose Easy to use combin
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See Also ezcontour, ezcontourf, ezm
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Symbols ! 2-22 - 2-10 % 2-22 & 2-20
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eta function (defined) 2-144 incomp
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colamd 2-277 colmmd 2-279 Color Axe
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dbclear 2-378 dbcont 2-380 dbdown 2
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ellipj 2-481 ellipke 2-483 elliptic
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help files, location for UNIX 2-457
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mldivide (M-file function equivalen
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sound files reading 2-76 writing 2-
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ZGrid, Axes property 2-114 ZLim, Ax
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