Code following function?

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Jonathan Larsson
Jonathan Larsson 2019-9-30
回答： Walter Roberson 2019-9-30
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om = if
How do I code this function? The requirements are that z is a matrix. Thanks.
x=[1:0.01:10]
y=x-4*sin(2*x)-4

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采纳的回答

Shubham Gupta
Shubham Gupta 2019-9-30
Try this:
z = zeros(size(y));
z(y>0) = 1;
z(y<0) = -1;

更多回答（1 个）

Walter Roberson
Walter Roberson 2019-9-30
z = sign(y)
provided that y is real valued.

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