Dynamic-Calibration/utils/YALMIP-master/extras/@ncvar/mrdivide.m

51 lines
1.2 KiB
Matlab
Executable File

function y = mrdivide(X,Y)
%MRDIVIDE (overloaded)
if (isa(Y,'sdpvar'))
if Y.dim(1)*Y.dim(2) == 1
y = X*Y^-1;
return
else
error('Division of matrix variables not possible (maybe you meant ./).')
end
end
try
% Quick exit on scalar division
if X.dim(1)*X.dim(2) == 1 & length(Y)==1
if isinf(Y)
y = 0;
else
y = X;
y.basis = y.basis/Y;
end
return
end
lmi_variables = getvariables(X);
nv = length(lmi_variables);
y = X;
n = X.dim(1);
m = X.dim(2);
if (n==1) & (m==1) % SPECIAL CODE FOR FREAKY MATLAB BUG
y.basis = sparse(reshape(reshape(full(X.basis(:,1)),n,m)/Y,n*m,1));
for i = 1:nv
temp = reshape(full(X.basis(:,i+1)),n,m)/Y;
y.basis(:,i+1) = sparse(temp(:));
end;
else
y.basis = reshape(reshape(X.basis(:,1),n,m)/Y,n*m,1);
for i = 1:nv
temp = reshape(X.basis(:,i+1),n,m)/Y;
y.basis(:,i+1) = temp(:);
end;
end
y.dim(1) = size(temp,1);
y.dim(2) = size(temp,2);
catch
error(lasterr);
end