Plotting Error (Very Simple Code)

2018 2 3
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更新时间：2018 2 3
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As part of practice of plotting, I made a very simple code, but it has an error. Would you check the code and explain on the problem so that I can make an correction?
x=1.0:0.2:2.0; y=2/x; plot(x,y)
Error using / Matrix dimensions must agree.
Error in Untitled6 (line 2) y=2/x;

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Walter Roberson
Walter Roberson 2018-2-3

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y = 2./x;
The operation A/B is like A * inv(B) where * is algebraic matrix multiplication. You want element-by-element division, which is the ./ operator

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