|
Post by matthorr on Sept 28, 2015 19:52:52 GMT
The fourth-order central difference equation for the second derivative (from Wikipedia and Davidson Univ.) \( (\delta_{xx}u)_j = \frac{1}{12\Delta x}(-u_{j+2}+16u_{j+1}-30u_j+16u_{j-1}-u_{j-2}) \) and the Fourier error analysis for the compact 4th-order central is in Lecture 5, Slide 58
|
|