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How to calculate 3 rotation angles and scaling factor from 3 by 3 affine parameters matrix

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zohre saeedi
zohre saeedi on 15 Jul 2016
Edited: zohre saeedi on 15 Jul 2016
I have 2 triangle in 2_D. I need to calculate rotation angle,scaling and translate value between them. I use matlab and calculate affine transform between them :
T=[t11 t12 0;t21 t22 0;t31 t32 1]
which element of T are scaling parameter?
which element of T are rotation angle ?
which element of T are translation ?
for example,what is t11?t12?.... can anybody help me?

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