ID | Title | Category | Difficulty | Status |
---|---|---|---|---|

5 | Scalar Multiplication of a Matrix | linear algebra | Easy | Unsolved Daily Question |

64 | Gini Impurity | machine learning | Easy | Unsolved |

65 | Compressed Row Sparse Matrix | linear algebra | Easy | Unsolved |

66 | Orthogonal Projection of a Vector onto a Line | linear algebra | Easy | Unsolved |

7 | Matrix Transformation | linear algebra | Medium | Unsolved |

8 | Calculate 2x2 Matrix Inverse | linear algebra | Medium | Unsolved |

9 | Matrix times Matrix | linear algebra | Medium | Unsolved |