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 October 3rd, 2009, 06:32 PM #1 Newbie   Joined: Oct 2009 Posts: 14 Thanks: 0 Complex Number Transformation Suppose T(z)=iz+3 and S(z)=-iz+2. Find T o S. What type of transformation is this?
October 4th, 2009, 01:32 PM   #2
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Re: Complex Number Transformation

Quote:
 Originally Posted by envision Suppose T(z)=iz+3 and S(z)=-iz+2. Find T o S. What type of transformation is this?
T(z)+S(z)=5. Can you do the rest?

 October 14th, 2009, 05:15 PM #3 Newbie   Joined: Oct 2009 Posts: 11 Thanks: 0 Re: Complex Number Transformation This is asking for function composition, isn't it? What's T(S(z))?
 October 14th, 2009, 06:04 PM #4 Global Moderator   Joined: Dec 2006 Posts: 21,020 Thanks: 2256 Geometrically, the result is a translation.

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