get
ComplexMatrix 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)