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Complex, negative real sym

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Sidafa
Sidafa 2015-8-24
回答： Walter Roberson 2015-8-24
I was wondering if there was a way to create a sym object z, and assume negative real part.
I guess I can create define
z = x + iy
but is there a way of using 'assumptions'?

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Walter Roberson
Walter Roberson 2015-8-24
syms z
assume(imag(z) < 0)
complex is the default.

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