# Show that $\Delta \log (|f(z)|)=0$, where $f(z)$ is an analytic function.

## Answer

**Answers can only be viewed under the following conditions:**

- The questioner was satisfied with and accepted the answer, or
- The answer was evaluated as being 100% correct by the judge.

The answer is accepted.

Join Matchmaticians Affiliate Marketing
Program to earn up to a 50% commission on every question that your affiliated users ask or answer.

- answered
- 505 views
- $2.00

### Related Questions

- Suppose $u \in C^2(\R^n)$ is a harmonic function. Prove that $v=|\nabla u|^2$ is subharmonic, i.e. $-\Delta v \leq 0$
- How does the traffic flow model arrive at the scaled equation?
- Equipartition of energy in one dimensional wave equation $u_{tt}-u_{xx}=0 $
- Explain what the problem means in laymens terms.
- Integral of the fundamentla solution of the heat equation
- Solve the two-way wave equation in terms of $u_0$
- Gauss-Legendre quadrature rule
- Uniqueness of solutions of the elliptic equation $\Delta u = u^5 + 2 u^3 + 3 u$