Find out the real part of symbolic expression by using MuPad

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Salvatore Mazzarino
编辑： Andrei Bobrov 2013-12-2
Hello. I'm trying to find out the real part of the following symbolic expression:
y0*(y2+jy0)/(y0+jy2)
by using MuPad
I write the following code in the mupad command window
Re(y0*(y2+I*y0)/(y0+I*y2))
but I don't get the result I expect. Do you know how to fix out the issue?

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采纳的回答

Andrei Bobrov
Andrei Bobrov 2013-12-2
编辑：Andrei Bobrov 2013-12-2
Re(y0*(y2+I*y0)/(y0+I*y2)) assuming ([y0,y2],Type::Real)
or
assume([y0,y2],Type::Real);
Re(y0*(y2+I*y0)/(y0+I*y2));

更多回答（1 个）

Walter Roberson
Walter Roberson 2013-12-2
simplify(Re(y0*(y2+I*y0)/(y0+I*y2))) assuming real

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