how can i draw rectangle with line command?

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ismail uzun
ismail uzun 2016-2-27
评论： ismail uzun 2016-2-28
how can i draw rectangle with line command?
and i wanna it moves
please help

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Walter Roberson
Walter Roberson 2016-2-27
high = 42; %example
wide = 65; %example
x0 = 0;
y0 = 0;
maxx = 500;
yamp = 300;
pos = [x0 y0 wide high];
r = rectangle('Position', pos);
xlim([0 x0+maxx+wide]);
ylim([0 y0+yamp+high]);
axis equal
hold on;
for K = 0 : 5 : maxx
x = x0 + K;
y = abs(yamp * sin(x));
pos = [x y wide high];
set(r, 'Position', pos);
pause(0.1)
end
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Walter Roberson
Walter Roberson 2016-2-27
The moving is the easy part. Whether you can do it with xor depends upon which MATLAB version you are using. Drawing with xor was dropped as of R2014b.
Is it possible that your actual situation involves an image that your rectangle is to appear to move over, and you have been instructed to use xor in your implementation of that?

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