Adds, subtracts, multiplies 2×2 matrices and finds inverse and determinant.
The 2×2 matrix calculator computes the determinant, trace, sum, and product of two 2×2 matrices, as well as the inverse of a matrix.
det(A) = a₁₁·a₂₂ − a₁₂·a₂₁ Inverse: A⁻¹ = (1/det(A)) × [[a₂₂, −a₁₂], [−a₂₁, a₁₁]] Trace: tr(A) = a₁₁ + a₂₂
A = [[3,2],[1,4]]. det(A) = 3×4 − 2×1 = 10. A⁻¹ = (1/10) × [[4,−2],[−1,3]] = [[0.4,−0.2],[−0.1,0.3]].
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