Syntax
laplacian(Expr(Xpr),LstVar)
Description
Returns the Laplacian of the expression Xpr with respect to the list of variables.
Example
laplacian(exp(z)*cos(x*y),[x,y,z]) returns -x^2*cos(x*y)*exp(z)-y^2*cos(x*y)*exp(z)+cos(x*y)*exp(z)
laplacian — Discussion