Does ∇(∇ · q) equal the Laplacian?

Thread starter franky2727
Start date Jan 16, 2009
Tags

Laplacian

Join the discussion

Registration is free. Start your own thread to ask a follow-up.

1 reply · 2K views

franky2727

Thread starter
Jan 16, 2009

∇(∇ * q) does this equal the laplacian or something else?

Physics news on Phys.org

Ultrathin materials could make quantum light circuits programmable
Spin rephasing helps quantum memories store single-photon states longer for future networks
Discovery confirms rare, switchable electrical property in widely used electronics material

Discussion

Dick

Science Advisor

Homework Helper

Jan 16, 2009

I'm going to guess that's supposed to be a dot product on the first nabla? That makes it grad(div(q)). It's equal to the laplacian plus some other stuff. The other stuff is curl(curl(q)).

Does ∇(∇ · q) equal the Laplacian?

Discussion

Similar threads

Undergrad Deriving the conformal Laplacian

Hydrogen 1s ground state energy with simplified radial Laplacian

Laplacian of the value function

Prove the Laplacian of Function g is equal to g

Prove Laplacian of Dyad: Indicial Notation

Solving Laplacian Equation with u ≤ √x

Undergrad Use of Laplacian operator in Operations Research Book

What Are Common Mistakes When Calculating the Laplacian of |r|?

How Does the Graph Laplacian Explain the Multiplicity of Eigenvalue Zero?

Undergrad What is the third term in the Laplacian of a cross product?