Plot 3D of a function
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Hello is there a short cut to plot a 3d function for example i have a linspace(0,pi) of x and linspace(0,1) of t and the a function @(x,t)=f(x,t). The way i have plotted is having x and t and loop for which calculates the values of x and t evaluated in the function:
In the image above i have created a vectors x1 and t1 of lenght=300 and evaluate them in the funcion 
and store them in the matrix z1. I have tried this:
and store them in the matrix z1. I have tried this:
But i dont think is the best way cause it takes a lot. Any suggestion.
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Alan Stevens
2021-2-19
Are you looking for something like this?
x = linspace(0,pi);
t = linspace(0,1);
z = @(x,t) 10*exp(-4*t).*sin(2*x);
[x1, t1] = meshgrid(x,t);
z1 = z(x1,t1);
surf(x1,t1,z1)
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