Getting a function error "Output argument "z" (and maybe others) not assigned during call"

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Ramy El Bazi
Ramy El Bazi 2016-11-1
编辑： Alexandra Harkai 2016-11-1
Hey guys im new to matlab ive been trying to do a power function but I've been getting this error and Im not understanding why
Here is the function
function [z] = power1(x,y)
if y>=0
if y==0
z=1;
end
if y==1
z=x;
end
z=x*power1(x,y-1);
end
end

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采纳的回答

Alexandra Harkai
Alexandra Harkai 2016-11-1
编辑：Alexandra Harkai 2016-11-1
If y<0, variable z doesn't get any value assigned to it.
See the same question here here.

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