📄 minus.m
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function c = minus(a,b)sa = size(a);sb = size(b);if ~isa(a,'dataset') if all(sa == 1), a = ones(sb)*a; sa = sb; endendif ~isa(b,'dataset') if all(sb == 1), b = ones(sa)*b; sb = sa; endendif any(sa ~= sb) error('datasets should have equal size')endif isa(a,'dataset') & ~isa(b,'dataset') c = a; c.d = a.d - b;elseif ~isa(a,'dataset') & isa(b,'dataset') c = b; c.d = a - b.d;else c = a; c.d = a.d - b.d;endreturn
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