dGdx dGdy G main xscale yscale

double dGdy ( double  x, double  y, double  t  ) inline Definition at line 31 of file example-simplexquiver2d.cxx. { x=x/xscale; y=y/yscale; return yscale*sin(t+x)*exp(-(x*x+y*y))*(-2*y*cos(y-t) -sin(y-t)); }