venv/lib/python3.12/site-packages/sympy/matrices/benchmarks/bench_matrix.py

from sympy.core.numbers import Integer
from sympy.matrices.dense import (eye, zeros)

i3 = Integer(3)
M = eye(100)


def timeit_Matrix__getitem_ii():
    M[3, 3]


def timeit_Matrix__getitem_II():
    M[i3, i3]


def timeit_Matrix__getslice():
    M[:, :]


def timeit_Matrix_zeronm():
    zeros(100, 100)