From: Robert D. <rob...@gm...> - 2007-02-02 01:23:26
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On 2/1/07, seb_kramm <seb...@ya...> wrote: > Ceci est mon premier message sur cette liste. Hello! Not sure what you want -- but perhaps this helps. A : matrix ([a/w, b/x], [c/y, d/z]); num (A); =3D> matrix([a/w,b/x],[c/y,d/z]) denom (A); =3D> 1 matrixmap (num, A); =3D> matrix([a, b], [c, d]) matrixmap (denom, A); =3D> matrix([w, x], [y, z]) Most Maxima functions do not automatically process a list or matrix element by element. The functions map and matrixmap apply a function element by element. > Quand j'extrait un des =E9l=E9ments, il apparait bien sous forme de fract= ion, > mais toujours encadr=E9 par des crochets !! Hmm. From this, it appears your matrix is a nested matrix -- a matrix with elements that are also matrices. Is that intentional? Sorry, I can read a little French but I can't write it. Hope this helps! Robert Dodier |