More Problems

• Write a program to check if a matrix can be expressed as the sum of two positive semi-definite matrices.
• Write a program to calculate the precision, recall, and F1-score for multi-class classification using matrices.
• Write a program to implement the k-nearest neighbors algorithm using KD-trees for efficient searching.
• Write a program to perform the random walk algorithm on a graph represented by an adjacency matrix.
• Write a program to compute the regression coefficients using the ordinary least squares (OLS) method with matrices.
• Write a program to check if a matrix is a valid adjacency matrix for a directed graph.
• Write a program to compute the coefficients of determination (R²) for multiple regression models using matrices.
• Write a program to perform hierarchical clustering and plot the resulting dendrogram using matrices.