api / koma.matrix / Matrix / filterRowsIndexed
filterRowsIndexed
open fun filterRowsIndexed(f: (rowIndex:Int, row:Matrix<T>) ->Boolean):Matrix<T>
Builds a new matrix with a subset of the rows of this matrix, using only the rows for which the function f returns true.
Parameters
f - A function which takes a row index and a row, and returns true if that
row should be included in the output matrix.