Matrix Determinant

Determinant of 2×2 and 3×3 matrices.

Input Parameters

Matrix size

a11

a12

a21

a22

Determinant · 2×21

Matrix size2×2

Trace2

175 available

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Determinant of 2×2 and 3×3 matrices with trace shown.

2×2 formula?

ad − bc for [[a,b],[c,d]].

Zero determinant?

Singular matrix — no inverse exists.

3×3 method?

Sarrus/cofactor expansion over the first row.