getSubmatrix

Matrix getSubmatrix(Integer rowIndexStart, Integer rowIndexEnd, Integer colIndexStart, Integer colIndexEnd)
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Get a submatrix by slicing this matrix.

Return

sliced submatrix.

Parameters

rowIndexStart

row index starting point.

rowIndexEnd

row index ending point. (not included)

colIndexStart

column index starting point.

colIndexEnd

column index ending point. (not included)