function F = times(X,Y)
% times (overloaded)
if isa(X,'ndsdpvar')
dim = X.dim;
X = sdpvar(X);
else
X = X(:);
end
if isa(Y,'ndsdpvar')
dim = Y.dim;
Y = sdpvar(Y);
Y = Y(:);
F = X.*Y;
F = reshape(F,dim);