annotate _FullBNT/KPMtools/extend_domain_table.m @ 9:4ea6619cb3f5 tip

removed log files
author matthiasm
date Fri, 11 Apr 2014 15:55:11 +0100
parents b5b38998ef3b
children
rev   line source
matthiasm@8 1 function B = extend_domain_table(A, smalldom, smallsz, bigdom, bigsz)
matthiasm@8 2 % EXTEND_DOMAIN_TABLE Expand an array so it has the desired size.
matthiasm@8 3 % B = extend_domain_table(A, smalldom, smallsz, bigdom, bigsz)
matthiasm@8 4 %
matthiasm@8 5 % A is the array with domain smalldom and sizes smallsz.
matthiasm@8 6 % bigdom is the desired domain, with sizes bigsz.
matthiasm@8 7 %
matthiasm@8 8 % Example:
matthiasm@8 9 % smalldom = [1 3], smallsz = [2 4], bigdom = [1 2 3 4], bigsz = [2 1 4 5],
matthiasm@8 10 % so B(i,j,k,l) = A(i,k) for i in 1:2, j in 1:1, k in 1:4, l in 1:5
matthiasm@8 11
matthiasm@8 12 if isequal(size(A), [1 1]) % a scalar
matthiasm@8 13 B = A; % * myones(bigsz);
matthiasm@8 14 return;
matthiasm@8 15 end
matthiasm@8 16
matthiasm@8 17 map = find_equiv_posns(smalldom, bigdom);
matthiasm@8 18 sz = ones(1, length(bigdom));
matthiasm@8 19 sz(map) = smallsz;
matthiasm@8 20 B = myreshape(A, sz); % add dimensions for the stuff not in A
matthiasm@8 21 sz = bigsz;
matthiasm@8 22 sz(map) = 1; % don't replicate along A's dimensions
matthiasm@8 23 B = myrepmat(B, sz(:)');
matthiasm@8 24