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add a number of nodes N between two known nodes

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Alberto Acri
Alberto Acri 2024-8-10
回答： Voss 2024-8-10
How can I add a number of nodes N between two known nodes present in 'NODES'?
NODES = [-41.9153 -20.1597 65.3012;
-33.2487 -10.7068 7.4146];
figure
plot3(NODES(:,1),NODES(:,2),NODES(:,3),'k.','Markersize',30);
axis equal

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采纳的回答

Voss
Voss 2024-8-10
Ran in:
NODES = [-41.9153 -20.1597 65.3012;
-33.2487 -10.7068 7.4146];
N = 5;
t = linspace(0,1,N+2);
t([1 end]) = [];
NODES_new = interp1([0 1],NODES,t);
figure
plot3(NODES(:,1),NODES(:,2),NODES(:,3),'k.','Markersize',30);
hold on
plot3(NODES_new(:,1),NODES_new(:,2),NODES_new(:,3),'r.','Markersize',30);
axis equal

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