Need to plot multiple lines

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Dustin
Dustin 2011-3-22
Hi there I'm just trying to get matlab to make a simple plot with multiple lines using a for loop, and i have not had much luck anywhere else. my code is:
for a = 1:20 x = 0:0.001:2*pi; y = a*sin(x); plot(x,y) end
I want 5 lines all with different amplitude of a going from 1 to 20. However i only get one plot output with amplitude 20. What is the best way to make this happen?

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Paulo Silva
Paulo Silva 2011-3-22
hold on %put this code before your code

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