Mercurial > repos > public > sbplib
annotate diags.m @ 433:eef74cd9b49c feature/grids
Move 3d transfinite interpolation to it's correct location.
author | Jonatan Werpers <jonatan@werpers.com> |
---|---|
date | Thu, 09 Feb 2017 08:37:55 +0100 |
parents | 0b87863cb29c |
children |
rev | line source |
---|---|
412
5eb312dfe2ab
Add full matrix equivalent of spdiags
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
1 function A = diags(B,d,m,n) |
5eb312dfe2ab
Add full matrix equivalent of spdiags
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
2 assert(size(B,1) == m); |
5eb312dfe2ab
Add full matrix equivalent of spdiags
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
3 |
5eb312dfe2ab
Add full matrix equivalent of spdiags
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
4 A = repmat(B(:,1)*0, [1, n]); |
5eb312dfe2ab
Add full matrix equivalent of spdiags
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
5 |
5eb312dfe2ab
Add full matrix equivalent of spdiags
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
6 for i = 1:size(B,2) |
5eb312dfe2ab
Add full matrix equivalent of spdiags
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
7 A(:,d(i)+ (1:m)) = A(:,d(i)+ (1:m)) + diag(B(:,i)); |
5eb312dfe2ab
Add full matrix equivalent of spdiags
Jonatan Werpers <jonatan@werpers.com>
parents:
diff
changeset
|
8 end |
413 | 9 end |