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Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: sum of complex numbers in terms of their absolute values?
Replies: 8   Last Post: Nov 5, 2007 6:38 AM

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jw12jw12jw12@yahoo.com

Posts: 37
Registered: 10/27/05
Re: sum of complex numbers in terms of their absolute values?
Posted: Oct 17, 2007 11:40 AM
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> so is there a way to express |z1+z2| in terms of |z1| and |z2| with no
> x1*x2 and y1*y2 involved?
> thanks


Suppose z1 and z2 are on the unit circle so |z1|=1 and |z2|=1.
Depending on the location of z1 and z2 the value |z1+z2| can take on
values from 0 to 2. So the answer to your question is no.

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