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Re: How to figure out if a tranform has no inverse?

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Re: How to figure out if a tranform has no inverse?

Subject: Re: How to figure out if a tranform has no inverse?
From: Antonio Nunes <email@hidden>
Date: Sat, 21 Apr 2007 23:17:25 +0100

On Apr 21, 2007, at 11:04 PM, Steve Weller wrote:

The matrix will have a zero determinant if it is not invertible. See det(A) in the link below:
http://en.wikipedia.org/wiki/Determinant
Since this is floating point math, close to zero might actually mean zero in this case due to rounding errors.


Thanks Steve, that should get me there.

António

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References:  
  >How to figure out if a tranform has no inverse? (From: Antonio Nunes <email@hidden>)
  >Re: How to figure out if a tranform has no inverse? (From: Steve Weller <email@hidden>)




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