pulkit Posted August 22, 2004 Share Posted August 22, 2004 I am building a software package that converts 2-d drawings into 3-d objects. In the process, I am in the need of knowing an algorithm to determine the rank of a matrix. I am dealing with a 4x3 matrix and need a method (that can be easily coded into a computer programme) which would mechanically compute the rank of such a matrix. I am unable to develop any such method so can anyone help me ? I must add that determination of rank using the definition of rank seems a bit too inefficient to code. Link to comment Share on other sites More sharing options...
Aeschylus Posted August 22, 2004 Share Posted August 22, 2004 Use Gaussian elimination to determine the rank. Link to comment Share on other sites More sharing options...
pulkit Posted August 22, 2004 Author Share Posted August 22, 2004 Can gaussian elimination also be used to solve a set of simultaneous linear equations ? Link to comment Share on other sites More sharing options...
Aeschylus Posted August 22, 2004 Share Posted August 22, 2004 Can gaussian elimination also be used to solve a set of simultaneous linear equations ? indeed, infact it's usually introduced as a method of solving s. linear equations. Link to comment Share on other sites More sharing options...
Treadstone Posted August 22, 2004 Share Posted August 22, 2004 to save time you could also set up some conditional statements to see if the matrix is already in row reduced echelon form, then just count pivots...that way you dont run guassian elim every time. nathan Link to comment Share on other sites More sharing options...
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