construct a complex number using real part and abs data

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Sajid Afaque
Sajid Afaque 2021-7-5
回答： Yongjian Feng 2021-7-5
i have real part and absolute values of a complex number.
is their any built in function to generate back the complex number using real part and absolute value of the complex number ?
or if built in function is not vailable can i use below code
imag_part = sqrt((abs_value)^2 - (real part)^2)
complex_numer = real part + i(imag_part)

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回答（1 个）

Yongjian Feng
Yongjian Feng 2021-7-5
This is really a math question. When you have the real part and the absolute value, the imaginary part is not determined in general. There are two possible solutions. Basically +/- sqrt((abs_value)^2-(real_part)^2), right?

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