Quiz configuration
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Question bank tools
Search, export, or import compatible JSON questions.
Included skills
- Transpose notation and dimensions
- Direct matrix calculations
- Symmetric and skew-symmetric matrices
- Products, inverses, trace, rank, and determinants
- NumPy, MATLAB, R, PHP, and JavaScript
- Machine-learning and data-table applications
Formula reference
Entry rule: aᵀᵢⱼ = aⱼᵢ
Double transpose: (Aᵀ)ᵀ = A
Product: (AB)ᵀ = BᵀAᵀ
Inverse: (A⁻¹)ᵀ = (Aᵀ)⁻¹
Determinant: det(Aᵀ) = det(A)