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Negative squareroot quick and easy

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Collin Kerr
Collin Kerr 2016-3-10
回答： Robert 2016-3-10
I just need a quick and easy way to say The square root of xxxx is yyyyi so the square root of -100 is etc...
B = sqrt® ;
disp(B);
D = sprintf('R is negative. The square root of %1.1f is %1.1fi',R,B)
For some reason it says B is 0 for any number thats negative.

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Robert
Robert 2016-3-10
sprint is taking the real part of your complex result. Try:
sprintf('R is negative. The square root of %1.1f is %1.1fi',R,imag(B))

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