?? subsasgn.m
字號(hào):
function a = subassign(a,s,b)[m,k] = size(a);col = [];row = [];if length(s.subs) == 1 if isempty(s.subs{1}) return else J = s.subs{1}; if isa(b,'dataset') a.d(J) = b.d; else a.d(J) = b; end return% error('Unparsable assignment for datasets') endelseif length(s.subs) == 2 if strcmp(s.subs{1},':') if strcmp(s.subs{2},':') if isa(b,'dataset') a = b; else a.d = b; end return end if isempty(b) for sub = s.subs{2}(:)' a.d(:,sub) = []; a.f(sub,:) = []; end else j = 0; for sub = s.subs{2}(:)' j = j + 1; if isa(b,'dataset') a.d(:,sub) = b.d(:,j); a.f(sub,:) = b.f(j,:); else a.d(:,sub) = +b(:,j); end end end return else col = s.subs{1}; end if ~isa(a.ll,'cell') a = dataset(a); end if ~isa(a.l,'dataset') laba = a.ll{1}(a.l,:); else laba = a.l; end if strcmp(s.subs{2},':') if isempty(b) for sub = flipud(sort(s.subs{1})) a.d(sub,:) = []; if isa(laba,'dataset') laba.d(sub,:) = []; else laba(sub,:) = []; end end else if isa(b,'dataset') if ~isa(b.l,'dataset') labb = b.ll{1}(b.l,:); else labb = b.l; end end j = 0; for sub = s.subs{1}(:)' j = j + 1; if isa(b,'dataset') a.d(sub,:) = b.d(j,:); if isa(laba,'dataset') laba.d(sub,:) = labb.d(j,:); else laba(sub,:) = labb(j,:); end else a.d(sub,:) = b(j,:); end end end else row = s.subs{2}; end if ~isempty(row) & ~isempty(col) a.d(col,row) = +b; endelse error('Wrong number of subscripts')endif isa(laba,'dataset') a.l = laba;else a.l = renumlab(laba);endreturn
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