MATLAB by rudra pratap

86
Interactive Computation
» he lp
HELP topics :
matlab\general
matlab\ops
mat:lab\ l ang
matlab\ e l mat
mat lab\elfun
mat l ab\ specfun
mat l ab\mat fun
matlab\datafun
matlab\polyfun
matlab\funfun
matlab\sparfun
mat lab\ scribe
matlab\ graph2d
matlab\graph3d
mat lab\specgraph
matlab\ graphi cs
matlab\uitools
matlab\ str fun
mat lab\image sci
mat lab\iofun
matlab\audiovideo
mat lab\ timefun
matlab\datatypes
matlab\ve rctrl
mat lab\codetools
mat lab\helptools
mat lab\winfun
mat lab\demos
he 1 p by itself lists the names of categories in
which the on-line help files are organized.
General purpose commands .
Operators and speci al characters .
Programming language construc t s.
Elementary matrices and mat r i x manipulation .
Elementary math functions .
Specialized math functions .
Matrix functi ons - nume rical l inear algebra .
Dat a analysis and Fourier transforms .
Int erpol ation and polynomials.
Function functions and ODE solvers .
Sparse matrices .
Annot ation and P l ot Editing .
Two d imensional graphs .
Th ree dimensi onal graphs .
Specialized graphs .
Handle Graphics.
Graphi cal user i nt e rface tools .
Character strings .
Image and scientific data input /output .
File input /output .
Au di o and Video support .
Time and dates .
Data types and structures .
Version control .
Commands for creating and debugging code .
Help commands .
W i ndows Operating System Interface F i les . . .
Examples and demonst rations .
»help lang
Programming language constructs .
Control flow.
help ca tegory lists the functions in that
category. Detailed help can then be obtained by
typing: help functionname.
if
else
elseif
end
for
- Condi tionally execute statement s.
- Execute s t atement if previous IF condition failed .
- Execute if previous IF failed and condi t i on is true .
- Terminate scope of control statements .
- Repeat statements a specifio number of. times .
Figure 3.5: MATLAB help facility.