Find the Rank of a 4x4 Matrix (with echelon form) | Linear Algebra Exercises

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The rank of a 4x4 matrix is the number of linearly independent rows or the number of linearly independent columns the matrix has. These definitions are equivalent. To find this number, we can reduce a matrix to row echelon form and count the nonzero rows, whose leading entries are called pivot numbers. We'll find the rank of a 4 by 4 matrix in today's linear algebra lesson. #linearalgebra

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