Arithmetic with vectors and Big Picture Ideas
向量运算与相关想法 [Math 241] - Section 12.2 # Arithmetric with vectors # add/ subtract/ scale vectors 不同维度的向量无法相互加减乘除 # Geometric point of view i.e. # add a⃗\vec {a}a 的头与 b⃗\vec {b}b 的尾相连 # scaling # subtraction # Algebratic point of view i.e. a⃗=<a1,a2,...,an>\vec {a} = <a_1, a_2,...
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