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Chapter 4 矩阵乘法作为组合变换的形式以理解 It is my experience that proofs involving matrices can be shortened by 50% if one throws the matrices out read right to lef 阅读全文
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Chapter 5 Three-dimensional linear transformations 阅读全文
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Chapter 3 Linear transformations and matrices Unfortunately, no one can be told what the Matrix is. You have to see it for yourself. 主要讲述 linear trans 阅读全文
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Chapter 2 Linear combinations, span and bases Mathematics requires a small dose, not of genius, but of an imaginative freedom which, in a larger dose, 阅读全文
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Chapter 1 Vectors the intorduction of numbers as coordinates is an act of violence vector is the basis of linear algebra 1. Three perspectives physics 阅读全文
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c++ AcWing 104. 货仓选址 /* Acwing 104. 货仓选址 问题描述: 在一条数轴上有 N 家商店，它们的坐标分别为 A1∼AN。 现在需要在数轴上建立一家货仓，每天清晨，从货仓到每家商店都要运送一车商品。 为了提高效率，求把货仓建在何处，可以使得货仓到每家商店的距离之和最小。 阅读全文