annotate general/numerical/matrix/minner.m @ 16:db7f4afd27c5
Rearranging numerical toolbox.
| author |
samer |
| date |
Thu, 17 Jan 2013 13:20:44 +0000 |
| parents |
general/numerical/ttimes.m@e44f49929e56 |
| children |
|
| rev |
line source |
|
samer@16
|
1 function C=minner(A,B)
|
|
samer@16
|
2 % minner - inner product for arbitrary dimension arrays
|
|
samer@4
|
3 %
|
|
samer@16
|
4 % ttimes :: [[I,J]], [[J,K]] -> [[I,K]].
|
|
samer@4
|
5 %
|
|
samer@16
|
6 % ie just like mtimes, but I and K can be row vectors
|
|
samer@4
|
7
|
|
samer@16
|
8 Adom=size1(A);
|
|
samer@16
|
9 Bdom=size1(B);
|
|
samer@16
|
10 A=reshape(A,[],Bdom(1));
|
|
samer@16
|
11 B=reshape(B,Bdom(1),[]),
|
|
samer@16
|
12 C=reshape(A*B,tosize([Adom(1:end-1) Bdom(2:end)]));
|
|
samer@4
|
13
|
