# harmonic

• June 21st 2012, 05:48 PM
saravananbs
harmonic
if u= $3x^2y$ then

whether it is a harmonic function for all values of x and y.
• June 21st 2012, 08:57 PM
Prove It
Re: harmonic
The function will be harmonic if \displaystyle \begin{align*} \frac{\partial ^2 u}{\partial x^2}+\frac{\partial ^2 u}{\partial y^2} = 0 \end{align*}.