how can I multiply a 45-vector times a 45*45 matrix?
 

Excel only accepts small matrices (10*10) for multiplication and inversion.
How can I extend these capabilities to larger matrices (50*50)?

"jortorzor" wrote in message
...
Excel only accepts small matrices (10*10) for multiplication and
inversion.
How can I extend these capabilities to larger matrices (50*50)?

Here's a link to a site withe a more capable version of MMULT, MMULT.EXT
http://xcell05.free.fr/

/Fredrik

Excel will invert up to a 52*52 matrix, assuming that it is numerically
nonsingular. What is MDETERM() of your matrix?

Jerry

jortorzor wrote:

Excel only accepts small matrices (10*10) for multiplication and inversion.
How can I extend these capabilities to larger matrices (50*50)?