function results into a vector

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Derek Nilsen
Derek Nilsen 2019-9-21
编辑： the cyclist 2019-9-21
I have this code which I want to have output a vector which I can then plot versus the input but the answer Vreg comes out as a single number. How can I get the function to output a vector evaluated at each value of the input vector?
VL = 0:.1:500;
Vreg = [(230-(VL))/(VL)];
plot(VL,Vreg)

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回答（2 个）

the cyclist
the cyclist 2019-9-21
编辑：the cyclist 2019-9-21
You need element-wise division. Try
Vreg = [(230-(VL))./(VL)];
See array vs. matrix operations in the documentation.
David Hill
David Hill 2019-9-21
You just need a dot!
Vreg = [(230-(VL))./(VL)];

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