How to do distance formula
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Im trying to find the distance between 2 points on a truss and I have the length and the x and y of the nodes on the truss but what code in matlab would make this work.
I know
d = sqtrt((x2-x1)^2+(y2-y1)^2) ;
But how would I apply it to an array on a truss
with x being the nodes and e being the edges or lines that connect nodes
X = [0 0
1 0
2 0
2 1
1 1
0 1
];
e = [1 2
2 3
3 4
4 5
5 6
6 1
2 4
3 5
1 5
2 6];
I just dont seem to get how to put these two together and make a distance formula that works. The lengths of these points are the outside lengths are 1 m and the cross section lengths are the sqrt of 2(these inside ones being from 1 to 5, 6 to 2, 4 to 2, and 5 to 3.
7 comentarios
Rik
el 28 de Mzo. de 2022
If you have trouble with Matlab basics you may consider doing the Onramp tutorial (which is provided for free by Mathworks). That should help with tasks like this.
Respuestas (1)
Matt J
el 28 de Mzo. de 2022
A=pdist2(X,X);
distances = A( sub2ind(size(A) ,e(:,1),e(:,2) ) )
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