how to add plot values for many iteration

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zamri
zamri 2014-6-5
编辑： zamri 2014-6-5
Hi all, i wonder if anyone could help me. I have this codes where it plots a function from x-axis values from 1 to 500. The graph has this x and y axis.
I repeat this plot for many locations (coordinate), I was able to get all the plot for 32x4 coordinates.
However I want to add all this plots (the y-axis values) and just have one final plot for all the coordinates (in the codes the coordinates are represented by w and g letters). It is like I add the y-values every time for all the coordinates. How can I do that?
for w=3:2:9
for g=1:32
z=(w-2)*dz0; % 4 points laterally
theta=g*dtheta0; % 32 points circumferentially
%step from 1 to 500
for fi=1:500
.........
................
pressurey(fi)=(si1)*small_ay;
%plot
SPL(fi)=abs(pressurey(fi));
end
freq=1:500;
plot(freq,SPL,'b')
hold on
end
end

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