【读书笔记】:MIT线性代数(1):Linear Combinations

1. Linear Combination

Two linear operations of vectors:

Linear combination:

2.Geometric Explainations

2D case

3D case:for 3 vectors u,v,w,the important questions are

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the common answers are:

3. From Linear Equations to Linear Combinations:

a.Row picture: intersection of planes or lines

b.Column picture: find combinations of column vectors to generate b

4.Matrix form for Ax=b

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转载自www.cnblogs.com/rhyswang/p/9454506.html
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