Practice Problems

359 problems across machine learning, deep learning, math, and more. Filter by difficulty or category to find your next challenge.

Showing 20 of 359 problems

#	Title	Difficulty	Category
1	Compute the Gram Matrix of a Set of Vectors	Easy	Linear Algebra
2	Compute the Symmetric Part of a Matrix	Easy	Linear Algebra
3	Extract the Diagonal Elements of a Matrix	Easy	Linear Algebra
4	Compute the Frobenius Norm of a Matrix	Easy	Linear Algebra
5	Hadamard Product of Two Matrices	Easy	Linear Algebra
6	Compute the Characteristic Polynomial Coefficients of a 2x2 Matrix	Medium	Linear Algebra
7	Compute Matrix Power	Medium	Linear Algebra
8	Compute the Adjugate of a 2x2 Matrix	Easy	Linear Algebra
9	Kronecker Product of Two Matrices	Medium	Linear Algebra
10	Compute the Pearson Correlation Matrix	Easy	Statistics
11	Solve Linear Equations Using the Gauss-Seidel Method	Medium	Linear Algebra
12	QR Decomposition of a 2x2 Matrix via Gram-Schmidt	Hard	Linear Algebra
13	LU Decomposition of a 3x3 Matrix	Hard	Linear Algebra
14	Logistic Regression Using Gradient Descent	Easy	Machine Learning
15	Polynomial Regression via Gradient Descent	Easy	Machine Learning
16	Robust Scaling Implementation	Easy	Machine Learning
17	Implement Fuzzy C-Means Clustering	Medium	Machine Learning
18	Implement Stratified K-Fold Cross-Validation	Medium	Machine Learning
19	Linear Discriminant Analysis (LDA) for Dimensionality Reduction	Medium	Machine Learning
20	Random Forest Classification from Scratch	Hard	Machine Learning

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