This is a list of errors in the CLP 4 textbook identified since August 31, 2021.

Date | Page | Section | Description of error | Who reported it |
---|---|---|---|---|

October 22, 2021 | P.267 | Appendix B.2 | In the second last bullet of Appendix B.2 both instances of $$\lim_{x\rightarrow 0}$$ should be $$\lim_{x\rightarrow 0+}$$ | |

December 1, 2021 | P.208 | Section 4.3 | In the first bullet of Example 4.3.8, the $$y(t)=a\cos t$$ just before the displayed equation should be $$y'(t)=a\cos t$$. | Eric Souder |

December 16, 2021 | P.4 | Chapter 1 | In the first line of Example 1.0.5, "parametrize part of, but all of" should be "parametrize part of, but not all of". | Hod Kimhi |

January 6, 2022 | P.206 | Section 4.2 | In the combined and online versions only, a few lines before the end of the proof of the Divergence Theorem, "S_c uparrow is the surface S_c with normal vector -k" should be "S_c uparrow is the surface S_c with normal vector +k" | Simon Ghyselincks |

January 18, 2022 | P.10 | Section 1.1 | In Lemma 1.1.5, there is one extra opening bracket inside each of the two square roots. | Steven To |

March 3, 2022 | P.34 | Section 1.4 | In the last displayed equation of Example 1.1.4, the unit vector multiplying sin t should be j rather than i. | Jack Gao |

March 18, 2022 | P.176 | Section 4.2 | In the definition of V at the beginning of Example 4.2.4, "(x,y,z" should be "(x,y,z)". | Steven To |

March 18, 2022 | P.180 | Section 4.2 | Near the beginning of the solution in Example 4.2.6 "the integral of Example 4.2.6" should be "the integral of Example 4.2.5". | Steven To |

April 26, 2022 | P.203 | Section 4.3 | The integral in the first displayed equation of Example 4.3.4 should end with a "]". | Jack Gao |

July 8, 2022 | P.97 | Section 3.1 | In footnote 1 of Section 3.1 "Of courses we can" should be "Of course we can". | Jason Bai |

July 9, 2022 | P.20 | Section 1.2 | In the third last displayed equation of Example 1.2.2 $$2\cos^2\big(T(s)-1$$ should be $$2\cos^2\big(T(s)\big)-1$$ and in the second last displayed equation of Example 1.2.2 $$1-2\sin^2\big(T(s)$$ should be $$1-2\sin^2\big(T(s)\big)$$. | Edmund Shi |

July 10, 2022 | P.117 | Section 3.3.3 | In the first paragraph of Section 3.3.3, just before the first displayed equation "f(x,z)" should be "f(x,y)". | Jason Bai |

July 10, 2022 | P.118 | Section 3.3.3 | Just before equation (3.3.3), "(3.3.1)" should be "(3.3.2)". | Jason Bai |

July 14, 2022 | P.161 | Section 4.1.2 | In the second last displayed equation of Section 4.1.2 $$-B_3(x,y,\tilde z$$ should be $$-B_3(x,y,\tilde z)$$. | Jason Bai |

July 14, 2022 | P.167 | Section 4.1.5 | Just before the first figure in Section 4.1.5, "left arm point towards" should be "left arm pointing towards" and "your are facing" should be "you are facing". | Jason Bai |

This is a list of errors in the CLP 4 problem book identified since August 31, 2021.

Date | Page | Section | Description of error | Who reported it |
---|---|---|---|---|

November 25, 2021 | P.327 | Solutions to section 4.1 | S-7b: The z component of the gradient should be 2z rather than 2. | Simon Larose |

February 4, 2022 | P.31 | Section 2.3 | Q[15]: In the definition of F, the third term g(y)h'(z) should be multiplied by the standard unit vector in the z direction. | Steven To |

April 11, 2022 | P.18 | Section 1.6 | Q[4]: Near the beginning, "radius r" should be "radius 1". | |

April 19, 2022 | P.iv,31 | Section 2.4 | In the title of Section 2.4, "Integals" should be "Integrals". | Eve Sankar |

April 24, 2022 | P.137,367 | Section 4.2 | The final answer to Q[40] of Section 4.2 is $$\pi\frac{23}{6} 5^3=\frac{2875}{6}\pi$$. | Julia Rees |

July 4, 2022 | P.238 | Section 2.4 | The function in the solution to Q[2(c)] of Section 2.4 should have been the function given in the question. It really does give Option A. | Jason Bai |

July 14, 2022 | P.69 | Section 4.3 | In Q[2] of Section 4.3, "couterclockwise" should be "counterclockwise". | Jason Bai |

July 15, 2022 | P.33,238 | Section 2.4 | In Q[2(c)] of Section 2.4, and also in its solution, "1/z" should be "z". | Jason Bai |