dscalar SciMax Toolbox echelon

SciMax Toolbox >> dscalar

dscalar

Maxima Function

Calling Sequence

dscalar ()

Description

computes the tensor d'Alembertian of the scalar function once dependencies have been declared upon the function. For example:

(%i1) load(ctensor);
(%o1)       /share/tensor/ctensor.mac
(%i2) derivabbrev:true;
(%o2)                                true
(%i3) ct_coordsys(exteriorschwarzschild,all);
(%o3)                                done
(%i4) depends(p,r);
(%o4)                               [p(r)]
(%i5) factor(dscalar(p));
                          2
                    p    r  - 2 m p    r + 2 p  r - 2 m p
                     r r           r r        r          r
(%o5)               --------------------------------------
                                       2
                                      r
dscalar SciMax Toolbox echelon