% -*- texinfo -*- % @deftypefn {Function File} {@var{y} =} speye (@var{m}) % @deftypefnx {Function File} {@var{y} =} speye (@var{m}, @var{n}) % @deftypefnx {Function File} {@var{y} =} speye (@var{sz}) % Returns a sparse identity matrix. This is significantly more % efficient than @code{sparse (eye (@var{m}))} as the full matrix % is not constructed. % % Called with a single argument a square matrix of size @var{m} by % @var{m} is created. Otherwise a matrix of @var{m} by @var{n} is % created. If called with a single vector argument, this argument % is taken to be the size of the matrix to create. % @end deftypefn

- spaugment % Creates the augmented matrix of @var{a}. This is given by

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