Hello all,
It seems mnewton is unable to solve single equation.
Maxima 5.22.0 http://maxima.sourceforge.net
using Lisp GNU Common Lisp (GCL) GCL 2.6.8 (a.k.a. GCL)
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
The function bug_report() provides bug reporting information.
(%i1) load(mnewton);
(%o1) C:/PROGRA~1/MAXIMA~1.0/share/maxima/5.22.0/share/contrib/mnewton.mac
(%i2) mnewton(cos(x)=1/2,x,0.99);
Improper argument to coefmatrix:
([ 0.048689860581588 ] - 0.83602597860052 transpose(h ))
1
1
#0:
solve_by_lu(eqs=(matrix([0.048689860581588])-0.83602597860052*'transpose(h[1]))[1],vars=[h[1]],
field=complexfield)(mnewton.mac line 51)
#1: mnewton(funclist=cos(x) = 1/2,varlist=x,guesslist=0.99)(mnewton.mac line 113)
-- an error. To debug this try: debugmode(true);
I tried several trivial equation and the result is always the same.
It is not dramatic, I can use solve for the case of single equation.