Plotting Space-Time Function in MATLAB?
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How can I plot a function (x,y,t) like the following:
(max(ceil(max(0.8535533905932737,(0.5*(sin((5)*atan2(y,x)+2*PI*915.0e6*t+(3.141592653589793/2))+1)))-0.8535533905932737), 0))
in MATLAB and visualize how this function would change in time?
2 个评论
Geoff Hayes
2019-5-4
Andong - how are x and y determined? What should the interval for t be?
Andong Yue
2019-5-4
采纳的回答
Geoff Hayes
2019-5-4
Andong - I'm not sure if the below is exactly what you are looking for...when I tried it, it wasn't entirely obvious the changes over time (perhaps there aren't many?).
[X,Y] = meshgrid(-100:100,-100:100);
figure;
for t = 0:100
Z = (max(ceil(max(0.8535533905932737,(0.5*(sin((5)*atan2(Y,X)+2*pi*915.0e6*t+(3.141592653589793/2))+1)))-0.8535533905932737), 0));
plot3(X,Y,Z);
%view([-90 90]);
pause(0.05);
end
2 个评论
Andong Yue
2019-5-4
Greff, you did not use the "hold on" command so the plot was over written every loop. Your answer was really close actually, I got the following plot with t = 100e-9:
which was what I expected. The only thing is that I want to see how the plot change in t in the form of an animation. Do you by chance know how to do that?
The shape is expected to rotate clockwise as t increases.
Andong Yue
2019-5-5
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