Parallelogram rule for vectors

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rui gao
rui gao 2019-10-25
评论： rui gao 2019-10-25
Is there some methods to calculate the summation of these four red vectors showed below?
For example,
V1 = [4,3];
V2 = [-3,4];
V3 = [-2,-1];
V4 = [1,-5];
Any helps would be appreciated.

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回答（1 个）

Fabio Freschi
Fabio Freschi 2019-10-25
Vtot = V1+V2+V3+V4
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Fabio Freschi
Fabio Freschi 2019-10-25
V1+V2+V3+V4 (Sun of vectors) IS [4,4] What do you want to have?
rui gao
rui gao 2019-10-25
I am sorry that I haven't explained it clearly. Maybe the link below can help me explain what I want.
https://en.wikipedia.org/wiki/Parallelogram_law
Now, I have a thought to programming in MATLAB, and I suppose I can get the wanted result. But I still need to try it later. For the path, I attached here as a picture. But I am still wondering whether there is some functions or package from MATLAB to solve my problems directly.
123.png

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