Method

NumCosmoMathMatrixget_submatrix

Declaration [src]

NcmMatrix*
ncm_matrix_get_submatrix (
  NcmMatrix* cm,
  const guint k1,
  const guint k2,
  const guint nrows,
  const guint ncols
)

Description [src]

This function returns a submatrix NcmMatrix of the matrix cm. The upper-left element of the submatrix is the element (k1,k2) of the original matrix. The submatrix has nrows rows and ncols columns.

Parameters

k1

Type: const guint

Row index of the original matrix cm.

k2

Type: const guint

Column index of the original matrix cm.

nrows

Type: const guint

Number of rows of the submatrix.

ncols

Type: const guint

Number of columns of the submatrix.

Return value

Type: NcmMatrix

A NcmMatrix.

The caller of the method takes ownership of the returned data, and is responsible for freeing it.