6 terms

mechanic21PLUS

determinant of 1x1 matrix

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determinant of 2x2 matrix

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determinant of 3x3 matrix

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reduced row echelon form (rref)

a form of a matrix where there are 0s below the main diagonal (upper triangular), and where the first coefficient columns on the main diagonal have either a 0 or a 1 in them

Row Echelon Form (ref)

a form of a matrix where there are 0s below the main diagonal (upper triangular), and where the first coefficient columns on the main diagonal have either a 0 or a constant in them

rank of a matrix

a number that is equal to how many nonzero rows you have in the matrix