function s = condsToStr(conds)
% CONDSTOSTR Takes a matrix of conditions
% and returns a string of their comma delimited rep

s = '';
sz = size(conds);
for i = 1:sz(1)
    % get correct char
    s = strcat(s, char(conds(i,1) + 96), num2str(conds(i, 2)));
    % add a comma
    if i ~= sz(1)
        s = strcat(s, ',');
    end
end