8 
Calculate 2x2 Matrix Inverse 
linear algebra 
Medium

Unsolved
Daily Question

1 
Matrix times Vector 
linear algebra 
Easy

Unsolved

10 
Calculate Covariance Matrix 
linear algebra 
Medium

Unsolved

11 
Solve Linear Equations using Jacobi Method 
linear algebra 
Medium

Unsolved

12 
Singular Value Decomposition (SVD) 
linear algebra 
Hard

Unsolved

13 
Determinant of a 4x4 Matrix using Laplace's Expansion 
linear algebra 
Hard

Unsolved

14 
Linear Regression Using Normal Equation 
machine learning 
Easy

Unsolved

15 
Linear Regression Using Gradient Descent 
machine learning 
Easy

Unsolved

16 
Feature Scaling Implementation 
machine learning 
Easy

Unsolved

17 
KMeans Clustering 
machine learning 
Medium

Unsolved

18 
CrossValidation Data Split Implementation 
machine learning 
Medium

Unsolved

19 
Principal Component Analysis (PCA) Implementation 
machine learning 
Medium

Unsolved

2 
Transpose of a Matrix 
linear algebra 
Easy

Unsolved

20 
Decision Tree Learning 
machine learning 
Hard

Unsolved

21 
Pegasos Kernel SVM Implementation 
machine learning 
Hard

Unsolved

22 
Sigmoid Activation Function Understanding 
deep learning 
Easy

Unsolved

23 
Softmax Activation Function Implementation 
deep learning 
Easy

Unsolved

24 
Single Neuron 
deep learning 
Easy

Unsolved

25 
Single Neuron with Backpropagation 
deep learning 
Medium

Unsolved

26 
Implementing Basic Autograd Operations 
deep learning 
Medium

Unsolved

27 
Transformation Matrix from Basis B to C 
linear algebra 
Easy

Unsolved
