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

86 lines
2.0 KiB
Matlab
Executable File

function Y=repmat(varargin)
%REPMAT (overloaded)
try
X = varargin{1};
Y = X;
Y.basis = [];
n = Y.dim(1);
m = Y.dim(2);
for i = 1:length(Y.lmi_variables)+1
temp = repmatfixed(reshape(X.basis(:,i),n,m),varargin{2:end});
Y.basis(:,i) = temp(:);
end
Y.dim(1) = size(temp,1);
Y.dim(2) = size(temp,2);
% Reset info about conic terms
Y.conicinfo = [0 0];
catch
error(lasterr)
end
function B = repmatfixed(A,M,N)
if nargin < 2
error('MATLAB:repmat:NotEnoughInputs', 'Requires at least 2 inputs.')
end
if nargin == 2
if isscalar(M)
siz = [M M];
else
siz = M;
end
else
siz = [M N];
end
if isscalar(A)
nelems = prod(siz);
if nelems>0
% Since B doesn't exist, the first statement creates a B with
% the right size and type. Then use scalar expansion to
% fill the array. Finally reshape to the specified size.
B = spalloc(nelems,1,nnz(A));
B(nelems) = A;
if ~isequal(B(1), B(nelems)) | ~(isnumeric(A) | islogical(A))
% if B(1) is the same as B(nelems), then the default value filled in for
% B(1:end-1) is already A, so we don't need to waste time redoing
% this operation. (This optimizes the case that A is a scalar zero of
% some class.)
B(:) = A;
end
B = reshape(B,siz);
else
B = A(ones(siz));
end
elseif ndims(A) == 2 & numel(siz) == 2
[m,n] = size(A);
if (m == 1 & siz(2) == 1)
B = A(ones(siz(1), 1), :);
elseif (n == 1 & siz(1) == 1)
B = A(:, ones(siz(2), 1));
else
mind = (1:m)';
nind = (1:n)';
mind = mind(:,ones(1,siz(1)));
nind = nind(:,ones(1,siz(2)));
B = A(mind,nind);
end
else
Asiz = size(A);
Asiz = [Asiz ones(1,length(siz)-length(Asiz))];
siz = [siz ones(1,length(Asiz)-length(siz))];
for i=length(Asiz):-1:1
ind = (1:Asiz(i))';
subs{i} = ind(:,ones(1,siz(i)));
end
B = A(subs{:});
end
function a = isscalar(b)
[n,m] = size(b);
a = (n*m == 1);