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how can I draw this loop ?

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murat
murat 2013-12-5
评论： murat 2013-12-5
hey guys, I have to draw a hysteresis loop like this
http://www.doitpoms.ac.uk/tlplib/ferroelectrics/images/img011.gif
I have values of the loop. for example;
a=[48 52 58 73 85 103 135 193 80 42 2 -18 -29 -40 -45 -48]
b=[0 0.2 0.4 0.6 0.7 0.8 0.9 1 0.95 0.9 0.8 0.7 0.6 0.4 0.2 0]
how can I draw this loop ?

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采纳的回答

sixwwwwww
sixwwwwww 2013-12-5
try this:
a = [48 52 58 73 85 103 135 193 80 42 2 -18 -29 -40 -45 -48];
b = [0 0.2 0.4 0.6 0.7 0.8 0.9 1 0.95 0.9 0.8 0.7 0.6 0.4 0.2 0];
a = [a, -a];
b = [b, -b];
plot(a, b)
it gives
do you need this?
  1 个评论
murat
murat 2013-12-5
excuse me I had an important error thank you very much

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更多回答（2 个）

Andrei Bobrov
Andrei Bobrov 2013-12-5
plot([a,-a],[b,-b]);
Omair
Omair 2013-12-5
plot(a,b)
hold on
plot(-a,-b)
  3 个评论
显示 1更早的评论
Omair
Omair 2013-12-5
This is what i get when i execute the above command.
murat
murat 2013-12-5
excuse me I had an important error thank you very much

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