Mercurial > repos > public > sbplib

view find_elements.m @ 659:11a39b274260 feature/grids

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make data more flexible, add print method, allow negative devider index
author Jonatan Werpers <jonatan@werpers.com>
date Sat, 11 Nov 2017 13:56:15 -0800
parents 48b6fb693025
children
line wrap: on
line source

% I = find_elements(a,b)
% Finds the index of elements a in b.
% a and b have to be in the same order.
function I = find_elements(a,b)
    I = [];

    j = 1;
    for i = 1:length(a)
        while b(j) ~= a(i)
            j = j + 1;
        end
        I(end+1) = j;
        j = j+1;
    end

    assert(length(I) == length(a),'Expected %d but got %d elements',length(a),length(I))
end