# Ucla Math 32a Homework

**Exams:** Two in-class midterms: Wednesday, October 25th and Wednesday, November 15th. Three-hour final: Monday, December 11, 11:30am-2:30pm. *Bring student ID to both midterms and the final. There will be no make-up exams.**No calculators, notes, or books will be permitted in any exam.*

**Homework:** There will be weekly homework. It is due *in class*. Further information is given below.

- No late homework will be accepted.
- The reader will grade three problems each out of five points.
- Up to five further points will be awarded based on the proportion of the remaining problems that are completed.
- Write your name, ID number, and TA section at the top of the first page.
- Staple your pages!
- Homework will be returned in TA section.
- The weakest homework score will be omitted.

**Grading:** Homework, 15%; Each midterm 15%; Final 55%.

**Syllabus:**General Course Outline.

Here is our expected progress:

Lecture | Sections | Topics |

1 | 13.1 | Vectors in the Plane |

2 | 13.2 | Vectors in Three Dimensions |

3 | 13.3 | Dot Product |

4 | 13.4 | Cross Product |

5 | 13.5 | Planes in Three-Space |

6 | 12.1 | Parametric equations |

7 | 14.1 | Vector-Valued Functions |

8 | 14.2 | Calculus of Vector-Valued Functions |

9 | 14.3,4 | Arc-Length and Speed; Curvature |

10 | 14.5,6 | Motion in Three-Space; Planetary Motion |

Midterm #1 | ||

11 | 15.1 | Functions of Two or More Variables |

12 | 13.6 | A Survey of Quadric Surfaces |

13 | 15.2 | Limits and Continuity |

14 | 15.2 | Limits and Continuity |

15 | 15.3 | Partial Derivatives |

16 | 15.3 | Partial Derivatives |

17 | 15.4 | Differentiability and Tangent Planes |

18 | 15.4 | Differentiability and Tangent Planes |

19 | 15.5 | Gradient and Directional Derivatives |

Midterm #2 | ||

20 | 15.5 | Gradient and Directional Derivatives. |

21 | 15.6 | Chain Rule |

22 | 15.6 | Chain Rule |

23 | 15.7 | Optimization |

24 | 15.7 | Optimization |

25 | 15.8 | Lagrange Multipliers |

26 | 15.8 | Lagrange Multipliers |

Final |

**Homework Problems:**

Homework 1, due Friday Oct. 6.

Homework 2, due Friday Oct. 13.

Homework 3, due Friday Oct. 20.

Homework 4, due Friday Oct. 27.

Homework 5, due Friday Nov. 3.

Homework 6, due Friday Nov. 17.

Homework 7, due Friday Dec. 1.

Homework 8, due Friday Dec. 8.

Taking this class with Liu was a mistake.

He really is a nice guy and can actually be funny sometimes in lecture (if you really pay attention), but it is simply an objective fact that his grasp of the English language can make it harder for some students to learn the material, especially if they learn better by listening instead of doing.

His midterms are actually relatively tough, and his final is absolutely horrible. Although his midterms are all computational, they were definitely the hardest out of all the professors for Fall 2017. They're only 20 points each, so there literally aren't enough points for you to be "saved" on a problem by partial credit. You'll get some but not enough.

The final had 12 questions and 4 of them were proofs (I couldn't do a single one, but if you study the absolute basic proofs of the plane equations, etc., you can do very well). Also, the final was only out of 50 points, so you have absolutely no leeway anywhere.

Study hard and make sure you do very well above the mean because the curve will make you or break you. I let myself slip and got a C+. The final was the nail in the coffin.

Avoid him if you can, but if you end up with him, put a lot of time into the class and do well on the midterms. You won't do well on the final.

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