Linear Algebra Interview Questions for Quant Developers
Quant Developers get asked linear algebra differently from other quant roles - the emphasis shifts with what the job actually does. This is that slice.
38 questions, 26 of them free to practise right now. The split is 12 easy, 26 medium.
- Angle under an orthogonal mapEasyLinear AlgebraView →
- Determinant after antisymmetrizingEasyProbabilityLinear AlgebraView →
- Determinant from trace and one eigenvalueEasyLinear AlgebraView →
- Determinant of a scaled productEasyLinear AlgebraView →
- Diagonal parameter from a triangular determinantEasyLinear AlgebraView →
- Eigenvalues of a 2×2 matrixEasyLinear AlgebraView →
- Largest eigenvalue after squaringEasyLinear AlgebraView →
- Length of a vector differenceEasyLinear AlgebraView →
- Norm after imposing orthogonalityEasyLinear AlgebraView →
- Parameter values for a singular matrixEasyLinear AlgebraView →
- Rank of a matrix productEasyLinear AlgebraView →
- Sum of cubed eigenvaluesEasyLinear AlgebraView →
- A Cholesky diagonal entryMediumLinear AlgebraView →
- A Gram–Schmidt R entryMediumLinear AlgebraView →
- A tenth power of a matrixMediumLinear AlgebraView →
- Eigenvalues of a projectionMediumLinear AlgebraView →
- Eigenvalues of a rotationMediumLinear AlgebraView →
- Growth rate of a rank-one eigenvalueMediumLinear AlgebraView →
- Largest eigenvalue of a rank-one updateMediumLinear AlgebraView →
- Length of a projectionMediumLinear AlgebraView →
- Long-run share of a two-state chainMediumLinear AlgebraView →
- Norm of a doubly-stochastic stationary vectorMediumLinear AlgebraStochastic ProcessesView →
- Rank and nullity of a rotationMediumLinear AlgebraView →
- Smallest value of a quadratic formMediumLinear AlgebraView →
- Spectrum of a constant-diagonal matrixMediumLinear AlgebraView →
- Trace of a productMediumLinear AlgebraView →
- Area of a parallelogramMediumLinear Algebra Premium
- Cheapest way to chain three productsMediumLinear Algebra Premium
- Condition numberMediumLinear Algebra Premium
- Determinant of a 3×3MediumLinear Algebra Premium
- Determinant of an orthogonal matrixMediumLinear Algebra Premium
- Nullity of a concrete matrixMediumLinear Algebra Premium
- Power iterationMediumLinear AlgebraProgramming & DSA Premium
- Projecting onto a lineMediumLinear Algebra Premium
- Rank–nullity dimension countMediumLinear Algebra Premium
- Reducing a matrix power with Cayley–HamiltonMediumLinear Algebra Premium
- Trace of A-transpose-AMediumLinear Algebra Premium
- When does the system fail to have a unique solution?MediumLinear Algebra Premium
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