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

46 lines
781 B
Matlab
Executable File

function Y=sparse(varargin)
%SPARSE (overloaded)
if nargin < 3
error('At-least 3 arguments needed');
end
data = varargin{3};
ns = varargin{1};
ms = varargin{2};
if length(ns)~=length(ms) | length(ms)~=length(data)
error('Length of first 3 arguments must be equal');
end
if min(size(data))>1
error('Third argument should be a vector');
end
if nargin < 4
n = max(ns);
else
n = varargin{4};
end
if nargin < 5
m = max(ms);
else
m = varargin{5};
end
if any(ms>m)
error('Dimension mismatch')
end
if any(ns>n)
error('Dimension mismatch')
end
Y = data;
Y.dim(1) = n;
Y.dim(2) = m;
[i1,j1,s1] = find(data.basis);
ind = ns+(ms-1)*n;
Y.basis = sparse(ind(i1),j1,s1,n*m,1+length(Y.lmi_variables));
% Reset info about conic terms
Y.conicinfo = [0 0];