Difficulties getting a jacobian matrix



On Tue, 27 May 2008 13:04:26, weaker at directbox.com <weaker at directbox.com> wrote:

>  In the end, I want to rewrite that matrix column-wise into a big column vector

Maybe this is helpful in this context:
flatten (args (M)) => concatenate the rows of matrix M into one list

>  - When I tried that I got errors multiplying such a function with such an item:
>  addcol( diagmatrix (3, 1) , [0,0,0])

What is the error message?

By the way, matrix multiplication is the "." operator (noncommutative
multiplication in Maxima) instead of "*" (commutative).

HTH

Robert Dodier