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input
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user input.
example: x=input("How many iterations?") |
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disp
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displays variables
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matrix
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example:
[1 3 4 6;5 6 7 8] ',' means row & ';' means column |
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repmat
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replicate's matrix.
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plot
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used to create plots in the plane.
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sqrt
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square root.
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modulo
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syntax:
x (mod y) |
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ones
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matrix made of ones.
syntax: ones(x,y) Matrix of size x × y |
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zeros
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matrix made of zeros.
syntax: zeros(x,y) Matrix of size x × y |
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rand
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Returns a real number randomly taken between 0 and 1.
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function
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syntax:
function [output arguments] = functionname(input arguments) |
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plot(x,y)
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graph of 'x' vs 'y'.
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plot2d
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plots a set of 2D curves.
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plot2d2
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It is the same as plot2d but the functions given by (x,y) are supposed to be "piecewise constant".
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plot2d3
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It is the same as plot2d but curves are plotted using "vertical bars".
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plot2d4
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It is the same as plot2d but curves are plotted using "arrows style".
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fplot2d
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2D function plot
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fplot3d
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3D function plot.
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subplot()
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plots multiple graphs on a single graphic window.
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comet
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2D comet animated plot.
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paramfplot2d
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animated plot of a 2D parametrized curve.
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strrev
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returns string reversed.
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deff
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It is an embedded scilab function for defining custom functions.
The deff() function receives 2 arguments(both strings). Each string contains parts of the function definition which are going to be evaluate by Scilab and turn into instructions. example: deff('y=f(x)','y=sqrt(x.2 - 5*x + 6)') for: f(x)=√x2 − 5x + 6 |
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complex
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complex number:
syntax: x+%i This will dislay complex number x + iwhere, i = √−1 |
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mopen
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opens a file in scilab.
syntax: mopen(SCI+'/file.txt', 'rt') |
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mputl
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writes strings in a text file.
syntax: r = mputl(txt, file_desc) |
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mgetl
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reads lines from an text file.
syntax: txt = mgetl(file_desc [,m]) |
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mclose
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closes an opened file.
syntax: mclose(file_name) |
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linspace
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It generates a row vector of 'n' equally spaced values ranging exactly from "x1" to "x2".
in short, vector of size n whose components are equidistant. |
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clf
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It can be used to delete all children of a given graphic window, hence 'clearing it'.
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isoview
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This property is used to have isometric scales on the x, y and z axes (for exemple to make the display of the curve sin(x) versus cos(x) be a circle not an ellipse).
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gsort
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gsort performs a "quick sort" for various native data types.
By default- Sorting is performed in decreasing order 'd'. syntax: gsort(increa,'g','i') where, i represents increasing order & 'd' for decreasing order (default). |
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