Topic: matrix-manipulation-problem / Level: beginner

• 1. Write a program to find the transpose of a matrix.
• 2. Write a program to add two matrices of the same size.
• 3. Write a program to subtract two matrices of the same size.
• 4. Write a program to multiply a matrix by a scalar.
• 5. Write a program to multiply two matrices.
• 6. Write a program to find the sum of all elements in a matrix.
• 7. Write a program to find the largest element in a matrix.
• 8. Write a program to count the number of zeros in a matrix.
• 9. Write a program to check if a matrix is square.
• 10. Write a program to check if two matrices are equal.
• 11. Write a program to print the diagonal elements of a square matrix.
• 12. Write a program to calculate the trace of a square matrix.
• 13. Write a program to swap two rows in a matrix.
• 14. Write a program to swap two columns in a matrix.
• 15. Write a program to reverse the rows of a matrix.
• 16. Write a program to reverse the columns of a matrix.
• 17. Write a program to check if a matrix is symmetric.
• 18. Write a program to find the row-wise sum of a matrix.
• 19. Write a program to find the column-wise sum of a matrix.
• 20. Write a program to find the determinant of a 2x2 matrix.
• 21. Write a program to calculate the product of the diagonal elements of a square matrix.
• 22. Write a program to check if a matrix is an identity matrix.
• 23. Write a program to find the lower triangular matrix of a given square matrix.
• 24. Write a program to find the upper triangular matrix of a given square matrix.
• 25. Write a program to find the sum of the elements in the main diagonal of a matrix.
• 26. Write a program to find the sum of the elements in the anti-diagonal of a matrix.
• 27. Write a program to check if two matrices are orthogonal.
• 28. Write a program to flip a matrix horizontally.
• 29. Write a program to flip a matrix vertically.
• 30. Write a program to rotate a matrix by 45 degrees.
• 31. Write a program to compute the sum of each row in a matrix.
• 32. Write a program to compute the sum of each column in a matrix.
• 33. Write a program to find the smallest element in a matrix.
• 34. Write a program to find the sum of all the border elements of a matrix.
• 35. Write a program to replace all the elements in the main diagonal with 0.
• 36. Write a program to replace all the elements in the anti-diagonal with 0.
• 37. Write a program to swap the main diagonal and anti-diagonal elements of a square matrix.
• 38. Write a program to calculate the mean of all elements in a matrix.
• 39. Write a program to check if a matrix contains duplicate elements.
• 40. Write a program to count the number of non-zero elements in a matrix.
• 41. Write a program to create an identity matrix of a given size.
• 42. Write a program to add two diagonal matrices.
• 43. Write a program to subtract two diagonal matrices.
• 44. Write a program to multiply two diagonal matrices.
• 45. Write a program to check if a matrix is upper triangular.
• 46. Write a program to check if a matrix is lower triangular.
• 47. Write a program to print a matrix in a spiral order.
• 48. Write a program to print a matrix in a zigzag pattern.
• 49. Write a program to convert a matrix into a column-major form.
• 50. Write a program to convert a matrix into a row-major form.

• More Levels

• Intermediate
• Advanced