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
u 向量的加、减和乘 [OPTN]-[MAT]-[Vct]
例1 求下述两个向量之和（Vct A＋Vct B）:
Vct A =  1 2  Vct B =  3 4 
 K26g6g
 1av+
 1alw
例2 求下述两个向量的乘积（Vct A × Vct B）:
Vct A =  1 2  Vct B =
 K26g6g
 1av*
 1alw
例3 求下述矩阵和向量的乘积（Mat A × Vct B）：
Mat A = Vct B =
 K21
 av*6g6g
 1alw
•󰂾󰁖
•
nmnm
u 内积 [OPTN]-[MAT]-[DotP]
示例 求以下两个向量的内积
Vct A =  1 2  Vct B =  3 4 
 K26g6g
 21av,
 1al)w
3
4
1 2
2 1
1
2