Scilab for Real Dummies

Example 1-1: 1 1: script for a
simple plot
�� Let’s Let s elaborate on the
example from “Scilab Scilab in 15
minutes” minutes
�� We work with the Editor
using the same script as
before, but with added
comments
�� Save the function when it
has been typed in. I call it
plot1.sce and have saved it
on my USB thumb drive,
you can save it wherever
you like
�� To run the script, Click on
the Editor’s Editor s Execute icon
�� What happens is shown on
the next slide
// plot1.sce
// A simple 2D plot of a sine function /
// with the abscissa x = 0 ... 10, /
// and amplitude A = increases with x /
// The function itself is y(x) /
x = [0:.1:10]; // The abscissa x is a row vector
A = 0.5*x; // Modulated amplitude, row vector
y = A.*sin(2*x); // Element-by-element multiplication
plot(y) // Plot command
Note: Comments begin with a double
slash (//). Scilab disregards everything
behind the // when it executes the code