Anonymous function only returns single answer

Question

Alexander 2023-3-21

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1932700-anonymous-function-only-returns-single-answer

评论： Matt J 2023-3-22

I have a function where its inputs are two arrays. How do I get the function to return an array of values rather than one single value? The value returned for b is -5.6e-4. Thanks

Code shown here:

x=pi:pi/100:2*pi;

y=x.^2;

z = @(a,b) ((sin(a)+cos(b))/((a.^2)+(b.^2)));

b = z(x,y);

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Answer 1

Matt J 2023-3-21

1
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1932700-anonymous-function-only-returns-single-answer#answer_1197850

编辑：Matt J 2023-3-21

在 MATLAB Online 中打开

Use the elementwise division operator ./

x=pi:pi/100:2*pi;
y=x.^2;
z = @(a,b) ((sin(a)+cos(b))./((a.^2)+(b.^2)));
b = z(x,y)
b = 1×101
   -0.0084   -0.0075   -0.0063   -0.0050   -0.0035   -0.0021   -0.0007    0.0006    0.0017    0.0026    0.0033    0.0036    0.0037    0.0035    0.0030    0.0023    0.0014    0.0004   -0.0007   -0.0019   -0.0031   -0.0041   -0.0050   -0.0058   -0.0063   -0.0066   -0.0066   -0.0064   -0.0060   -0.0054