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biss
2025-11-26 19:01:27 +08:00
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commit cfab7130bd
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lab4/exercise4_13.m Normal file
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subplot(2,2,2);
x=linspace(-pi/2,pi/2,100);
y=sqrt(cos(x));
plot(x,y);
subplot(2,2,3);
x=linspace(-2,2);
y=linspace(-4,4);
ezsurfc('x.^2/4+y.^2/16')