Error: Line: 9 Column: 19 Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct matrices, use brackets instead of parentheses.

clear all

close all

x=-2:0.1:2;

y=exp(x^2)*cos(20x);

plot(y,x)

xlabel('x')

ylabel('y')

title('y=exp(x^2)*cos(20x) in the range of x=-2:0.1:2')

grid on

Trying to write a script to compute the function y=exp (x2)*cos (20x) in the range x= -2: 0.1:2. and plot a subsequent graph with the results.

Answer 1

[Birdman]

 x=-2:0.1:2;
 y=exp(x.^2).*cos(20.*x);
 plot(y,x)

[Danny Dien]

Worked perfectly, thank you!