September 12th, 2012, 12:30 PM  #1 
Newbie Joined: Apr 2012 Posts: 2 Thanks: 0  Inverse Matrix problem
Hello, To explain my problem, I will begin with direct problem : We suppose to calculate a product of n matrix like :
thanks 
September 13th, 2012, 06:08 AM  #2 
Senior Member Joined: Aug 2012 Posts: 229 Thanks: 3  Re: Inverse Matrix problem
Hey soft001. Does this problem only involve 2x2 matrices? If so, the best suggestion is to see if you can get a form for individual elements of your final matrix since the inverse for a 2x2 matrix is extremely straightforward. I was going to say if these were rotation or special unitary that you could simply compose rotations to get a formula for the final rotation matrix in terms of a polar decomposition but I don't think this will hold in general. 

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