Changes between Version 14 and Version 15 of u/erica/CylindricalGravity

Timestamp:

01/13/15 15:59:04 (10 years ago)

Author:

Erica Kaminski

Comment:

—

u/erica/CylindricalGravity

@@ -58 +58 @@
 There are 2 main arrays in this section of the code: 1. 'offsets', and 2. 'stencil values'. (ientries seems less important).
 
-'Offsets' is an (ndim x 0:2*ndim) matrix; for 2D, offsets is (2x5). Let's call these indices (i,m). The purpose of offsets is to set the stencil geometry for Hypre. Recall, each stencil is comprised of cells, and each cell has a stencil. The first index (i) of the matrix denotes the dimension of the cell in the stencil. The second (m) indexes the cell in the stencil. '''m=0 denotes the center cell of the stencil''', m=1 the 1st cell in the stencil, m=2 the second, and so on until you reach the final number of cells in the stencil (for the 2D case this is m=4 as it is a 5-point stencil).
+'Offsets' is an (ndim x 0:2*ndim) matrix; for 2D, offsets is (2x5). Let's call these indices (i,m). The purpose of offsets is to set the stencil geometry for Hypre. Recall, each stencil is comprised of cells, and each cell has a stencil. The first index (i) of the matrix denotes the dimension of the cell in the stencil. The second (m) indexes the cell in the stencil. '''m=0 denotes the center cell of the stencil''', m=1 the 1st cell in the stencil, m=2 the second, and so on until you reach the final number of cells in the stencil (for the 2D case this is m=4 as it is a 5-point stencil and m starts at 0).
 
 Offsets (:,0) = 0 is the starting line in the routine. It states that in any dimension, the center cell itself has a '0 offset'.