2D plot of x*sin(1/x)

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feeroz babu
feeroz babu 2020-12-15
评论： Stephen23 2020-12-15
x = [-1/pi:0.01:1/pi];
y = x*(sin(1/x));
plot(x,y)

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KSSV
KSSV 2020-12-15
编辑：KSSV 2020-12-15
Ran in:
x = [-1/pi:0.01:1/pi];
y = x.*(sin(1./x)); %<------ element by element operation
plot(x,y)
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更多回答（1 个）

Walter Roberson
Walter Roberson 2020-12-15
y = x.*(sin(1./x));
In MATLAB the * operator is algebraic matrix multiplication (inner product) and the / operator is matrix division (which is similar to matrix multiplication by pinv() of the array)

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