5 
Scalar Multiplication of a Matrix 
linear algebra 
Easy

Unsolved
Daily Question

28 
SVD of a 2x2 Matrix using eigen values & vectors 
linear algebra 
Hard

Unsolved

29 
Random Shuffle of Dataset 
machine learning 
Easy

Unsolved

3 
Reshape Matrix 
linear algebra 
Easy

Unsolved

30 
Batch Iterator for Dataset 
machine learning 
Easy

Unsolved

31 
Divide Dataset Based on Feature Threshold 
machine learning 
Medium

Unsolved

32 
Generate Polynomial Features 
machine learning 
Medium

Unsolved

33 
Generate Random Subsets of a Dataset 
machine learning 
Medium

Unsolved

34 
OneHot Encoding of Nominal Values 
machine learning 
Easy

Unsolved

35 
Convert Vector to Diagonal Matrix 
linear algebra 
Easy

Unsolved

36 
Calculate Accuracy Score 
machine learning 
Easy

Unsolved

37 
Calculate Correlation Matrix 
linear algebra 
Medium

Unsolved

38 
Implement AdaBoost Fit Method 
machine learning 
Hard

Unsolved

39 
Log Softmax 
deep learning 
Easy

Unsolved

4 
Calculate Mean by Row or Column 
linear algebra 
Easy

Unsolved

40 
Dense Layer 
deep learning 
Hard

Unsolved

41 
Simple Convolutional 2D Layer 
deep learning 
Medium

Unsolved

42 
ReLU Activation Function 
deep learning 
Easy

Unsolved

43 
Ridge Regression Loss 
machine learning 
Easy

Unsolved

44 
Leaky ReLU 
deep learning 
Easy

Unsolved

45 
Linear Kernel 
machine learning 
Easy

Unsolved
