why is sparsity not allowed in regression sparsity of least squares definition why is sparsity discarding least squares coefficients not allowed can you discard least squares' coefficient when discarding the least squares coefficient sparsity is obtained when discarding least squares coefficient why is discarding least squares coefficient not allowed how to find sparsity what is sparseness when discarding least squares sparsity is discarding least squares coefficient sparsity can be determined by discarding least squares why is discarding coefficients not allowed when discarding least squares in regression why isn't it possible to find sparsity? which method discards least squares coefficient in sparsity why is sparsity discarding coefficients limiting? sparsity is by discarding which coefficient sparsity definition math sparse solution definition sparsity of least squares coefficient