Take the real component of the logarithms of negative numbers

I'm taking the log of a number, and I need the real component. For example: log(-5) = 0.698970004 + 1.36437635 i

I have to be able to take the 0.698970004 and use it, while just Labview says his NAN.

I just figured as a CPD, I can throw the entries, but then I still don't know how to convert with only the real component.

Ideas?

Thank you

The trick is to define the representation of the data type of the lap number in the primitive logarithm. After that, it is easy to divide the complex number in real and imaginary components:

Tags: NI Software

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