% -*- texinfo -*- % @deftypefn {Function File} {@var{x} =} spconvert (@var{m}) % This function converts for a simple sparse matrix format easily % produced by other programs into Octave's internal sparse format. The % input @var{x} is either a 3 or 4 column real matrix, containing % the row, column, real and imaginary parts of the elements of the % sparse matrix. An element with a zero real and imaginary part can % be used to force a particular matrix size. % @end deftypefn