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

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1 Functions By Category 1-42 delete Delete files or graphics objects findall Find all graphics objects (including hidden handles) findobj Find objects with specified property values gca Get current Axes handle gcbo Return object whose callback is currently executing gcbf Return handle of figure containing callback object gco Return handle of current object get Get object properties ishandle True if value is valid object handle rotate Rotate objects about specified origin and direction set Set object properties Object Creation Functions axes Create axes object figure Create figure (graph) windows image Create image (2-D matrix) light Create light object (illuminates Patch and Surface) line Create line object (3-D polylines) patch Create patch object (polygons) rectangle Create rectangle object (2-D rectangle) surface Create surface (quadrilaterals) text Create text object (character strings) uicontextmenu Create context menu (popup associated with object) Figure Windows capture Screen capture of the current figure clc Clear figure window clf Clear figure close Close specified window closereq Default close request function drawnow Complete any pending drawing gcf Get current figure handle newplot Graphics M-file preamble for NextPlot property refresh Refresh figure saveas Save figure or model to desired output format Axes Operations axis Plot axis scaling and appearance cla Clear Axes gca Get current Axes handle grid Grid lines for 2-D and 3-D plots
3-D Visualization 3-D Visualization Create and manipulate graphics that display 2-D matrix and 3-D volume data, controlling the view, lighting and transparency. Category Description Surface and Mesh Plots Plot matrices, visualize functions of two variables, specify colormap View Control Control the camera viewpoint, zooming, rotation, aspect ratio, set axis limits Lighting Add and control scene lighting Transparency Specify and control object transparency Volume Visualization Visualize gridded volume data Surface and Mesh Plots • Creating Surfaces and Meshes • Domain Generation • Color Operations • Colormaps Creating Surfaces and Meshes hidden Mesh hidden line removal mode meshc Combination mesh/contourplot mesh 3-D mesh with reference plane peaks A sample function of two variables surf 3-D shaded surface graph surface Create surface low-level objects surfc Combination surf/contourplot surfl 3-D shaded surface with lighting tetramesh Tetrahedron mesh plot trimesh Triangular mesh plot triplot 2-D triangular plot trisurf Triangular surface plot 1-43
Page 1 and 2: MATLAB® MATLAB Function Reference
Page 3 and 4: 1 Functions By Category Development
Page 5 and 6: Functions By Category 1
Page 7 and 8: Development Environment Development
Page 9 and 10: ls List directory on UNIX matlabroo
Page 11 and 12: Mathematics Mathematics Functions f
Page 13 and 14: Slash or right matrix divide ' Tran
Page 15 and 16: Matrix Analysis cond Condition numb
Page 17 and 18: atan, atanh Inverse tangent and inv
Page 19 and 20: Correlation corrcoef Correlation co
Page 21 and 22: Convex Hull convhull Convex hull co
Page 23 and 24: etainc Incomplete beta function bet
Page 25 and 26: Tree Operations etree Elimination t
Page 27 and 28: permute Rearrange dimensions of mul
Page 29 and 30: int8 Convert to signed 8-bit intege
Page 31 and 32: Array Manipulation : Specify range
Page 33 and 34: itxor Bit-wise XOR Relational Opera
Page 35 and 36: evalc Evaluate MATLAB expression wi
Page 37 and 38: methodsview Display information on
Page 39 and 40: open Open files of various types us
Page 41 and 42: Microsoft WAVE Sound Functions wavp
Page 43 and 44: gtext Place text on 2-D graph using
Page 45: tsearch Search for enclosing Delaun
Page 49 and 50: • Selecting Region of Interest Co
Page 51 and 52: Creating Graphical User Interfaces
Page 53 and 54: Controlling Program Execution uires
Page 55 and 56: Alphabetical List of Functions 2
Page 57 and 58: axis . . . . . . . . . . . . . . .
Page 59 and 60: clear . . . . . . . . . . . . . . .
Page 61 and 62: dbup . . . . . . . . . . . . . . .
Page 63 and 64: expm . . . . . . . . . . . . . . .
Page 65 and 66: Arithmetic Operators + - * / \ ^ '
Page 73 and 74: See Also all, any, find, strcmp Rel
Page 75 and 76: Logical Operators & | ~ expression
Page 77 and 78: Special Characters [ ] ( ) {} = ' .
Page 79 and 80: 2Colon : Purpose Create vectors, ar
Page 81 and 82: 2abs Purpose Absolute value and com
Page 83 and 84: Algorithm acos and acosh use these
Page 85 and 86: Algorithm acot and acoth use these
Page 87 and 88: See Also csc, csch acsc, acsch 2-33
Page 89 and 90: actxcontrol Note There are two ways
Page 91 and 92: actxserver 2actxserver Purpose Crea
Page 93 and 94: fig=figure; set(fig,'DoubleBuffer',
Page 95 and 96: Verify that the files were added to
Page 97 and 98:
[W,ierr] = airy(k,Z) also returns a
Page 99 and 100:
2all Purpose Test to determine if a
Page 101 and 102:
2allchild Purpose Find all children
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• 'rand' - set the AlphaData prop
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2alphamap Purpose Specify the figur
Page 107 and 108:
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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Page 147 and 148:
Page 149 and 150:
Page 151 and 152:
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
Page 231 and 232:
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
Page 293 and 294:
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 (
Page 303 and 304:
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
Page 309 and 310:
2cholupdate Purpose Rank 1 update t
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Compare chol with cholupdate: R1 =
Page 313 and 314:
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
Page 329 and 330:
2closereq Purpose Default figure cl
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2colamd Purpose Column approximate
Page 333 and 334:
2colmmd Purpose Sparse column minim
Page 335 and 336:
See Also colamd, colperm, lu, sppar
Page 337 and 338:
colorbar See Also colormap 10 8 6 4
Page 339 and 340:
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
Page 349 and 350:
2compass Purpose Plot arrows emanat
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2complex Purpose Construct complex
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2computer Purpose Identify informat
Page 355 and 356:
2cond Purpose Condition number with
Page 357 and 358:
2condest Purpose 1-norm condition n
Page 359 and 360:
coneplot(...,'method') specifies th
Page 361 and 362:
3. Add the Slice Planes coneplot
Page 363 and 364:
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
Page 379 and 380:
2conv Purpose Convolution and polyn
Page 381 and 382:
In practice however, conv2 computes
Page 383 and 384:
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
Page 391 and 392:
2copyobj Purpose Copy graphics obje
Page 393 and 394:
2corrcoef Purpose Correlation coeff
Page 395 and 396:
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
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Algorithm csc and csch use these al
Page 405 and 406:
5 10 15 20 25 30 7 14 21 28 35 42 1
Page 407 and 408:
2cumprod Purpose Cumulative product
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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
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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
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2dbstatus Purpose List all breakpoi
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2dbstop Purpose Set breakpoints in
Page 445 and 446:
Examples The file buggy, used in th
Page 447 and 448:
2dbtype Purpose List M-file with li
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2ddeadv Purpose Set up advisory lin
Page 451 and 452:
2ddeexec Purpose Send string for ex
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2ddepoke Purpose Send data to appli
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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
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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
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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
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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
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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
Page 499 and 500:
2dir Purpose Display directory list
Page 501 and 502:
2disp Purpose Display text or array
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2display Purpose Overloaded method
Page 505 and 506:
2divergence Purpose Computes the di
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2dlmread Purpose Read an ASCII deli
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2dmperm Purpose Dulmage-Mendelsohn
Page 511 and 512:
2docopt Purpose Display location of
Page 513 and 514:
To open the notepad editor and retu
Page 515 and 516:
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
Page 523 and 524:
2eig Purpose Find eigenvalues and e
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Examples The matrix eigenvalues, it
Page 527 and 528:
2eigs Purpose Find a few eigenvalue
Page 529 and 530:
eigs(A,K,sigma,opts) and eigs(A,B,k
Page 531 and 532:
[dum,ind] = sort(abs(d)); plot(dlm,
Page 533 and 534:
(lambda - 4.0), where lambda is an
Page 535 and 536:
2ellipj Purpose Jacobi elliptic fun
Page 537 and 538:
2ellipke Purpose Complete elliptic
Page 539 and 540:
2ellipsoid Purpose Generate ellipso
Page 541 and 542:
2elseif Purpose Conditionally execu
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2end Purpose Terminate for, while,
Page 545 and 546:
2eomday Purpose End of month Syntax
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2erf, erfc, erfcx, erfinv, erfcinv
Page 549 and 550:
2error Purpose Display error messag
Page 551 and 552:
errorbar(X,Y,E) 1.4 See Also LineSp
Page 553 and 554:
displays this dialog box on a UNIX
Page 555 and 556:
2etree Purpose Elimination tree Syn
Page 557 and 558:
2eval Purpose Execute a string cont
Page 559 and 560:
2evalc Purpose Evaluate MATLAB expr
Page 561 and 562:
Limitation evalin cannot be used re
Page 563 and 564:
If item is a Java class, then exist
Page 565 and 566:
2exit Purpose Terminate MATLAB (sam
Page 567 and 568:
2expint Purpose Exponential integra
Page 569 and 570:
expm Notice that the diagonal eleme
Page 571 and 572:
2ezcontour Purpose Easy to use cont
Page 573 and 574:
ezcontour See Also contour, ezconto
Page 575 and 576:
f( x, y) 31 ( - x) 2e x2 - ( y + 1)
Page 577 and 578:
2ezmesh Purpose Easy to use 3-D mes
Page 579 and 580:
2ezmeshc Purpose Easy to use combin
Page 581 and 582:
2ezplot Purpose Easy to use functio
Page 583 and 584:
2ezplot3 Purpose Easy to use 3-D pa
Page 585 and 586:
2ezpolar Purpose Easy to use polar
Page 587 and 588:
sqrt(x.^2 + y.^2); is written as: e
Page 589 and 590:
2ezsurfc Purpose Easy to use combin
Page 591 and 592:
See Also ezcontour, ezcontourf, ezm
Page 593 and 594:
Symbols ! 2-22 - 2-10 % 2-22 & 2-20
Page 595 and 596:
eta function (defined) 2-144 incomp
Page 597 and 598:
colamd 2-277 colmmd 2-279 Color Axe
Page 599 and 600:
dbclear 2-378 dbcont 2-380 dbdown 2
Page 601 and 602:
ellipj 2-481 ellipke 2-483 elliptic
Page 603 and 604:
help files, location for UNIX 2-457
Page 605 and 606:
mldivide (M-file function equivalen
Page 607 and 608:
sound files reading 2-76 writing 2-
Page 609:
ZGrid, Axes property 2-114 ZLim, Ax
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