blob: 855fd40dfdb94ff5c89c56785fc2f596b6a18ce9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
//example(3.10)
c=[-3 1 0 1]]
p3=poly(c,'x','coeff')
roots(p3)
//here
xset('window',0);
x=-2:.01:2.5; // defining the range of x.
deff('[y]=f(x)','y=x^3+x-3'); //defining the cunction
y=feval(x,f);
a=gca();
a.y_location = "origin";
a.x_location = "origin";
plot(x,y) // instruction to plot the graph
title(' y =x^3+x-3')
|
