getting a flat surface graph
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I've got this equation, which I wanted to see a plot of so I put it into Matlab hoping to gain a little insight. Instead I just get a flat surface, which is not what Mathematica shows. Here's the code,
close all;
clear all;
f=linspace(0,1000,50);
t=linspace(0,0.0005,50);
[ff,tt] = meshgrid(f,t);
x=4-cos(2*pi*ff*tt);
surf(ff,tt,x)
1 commentaire
Matt Fig
le 2 Nov 2012
I've got this equation, which I wanted to see a plot of so I put it into Matlab hoping to gain a little insight. Instead I just get a flat surface, which is not what Mathematica shows. Here's the code,
close all;
clear all;
f=linspace(0,1000,50);
t=linspace(0,0.0005,50);
[ff,tt] = meshgrid(f,t);
x=4-cos(2*pi*ff*tt);
surf(ff,tt,x)
Réponse acceptée
Walter Roberson
le 9 Jan 2012
x = 4 - cos(2 .* pi .* ff .* tt);
Remember, * is matrix multiplication.
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