VectorAnalysis`
VectorAnalysis`
Biharmonic
As of Version 9.0, vector analysis functionality is built into the Wolfram Language »
Biharmonic[f]
gives the biharmonic, 
, of the scalar function f in the default coordinate system.
Biharmonic[f,coordsys]
gives the biharmonic of f in the coordinate system coordsys.
更多信息和选项
- To use Biharmonic, you first need to load the Vector Analysis Package using Needs["VectorAnalysis`"].
- The biharmonic of f is the Laplacian of the Laplacian of f,
.