Example

> a = 1:5
a =
1          2          3          4          5
> b = 6:2:-1
b =
6          5          4          3          2
> a.*b
6         10         12         12         10
> 6+10+12+12+10
50
> dot(a,b)
50
> c = b';
> dot(a,c)
       50
See also: Page [*] cross()+, Page [*] sum(), Page [*] trace().