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double the number of coordinates of a vector while maintaining the trend of the line created with that coordinates

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Alberto Acri
Alberto Acri 2023-9-25
回答： Voss 2023-9-25
Ran in:
HI! Is there a way to double the number of coordinates while maintaining that trend?
load L
figure
plot3(L(:,1),L(:,2),L(:,3),'k.','Markersize',10);
axis equal

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Voss
Voss 2023-9-25
Ran in:
load L
figure('Position',[200 10 400 1000])
plot3(L(:,1),L(:,2),L(:,3),'ko','Markersize',6);
axis equal
Nt = size(L,1);
t = 1:Nt;
t_new = linspace(1,Nt,2*Nt-1);
L_new = interp1(t,L,t_new);
hold on
plot3(L_new(:,1),L_new(:,2),L_new(:,3),'r.','Markersize',4);
legend({'original','interpolated'},'Location','NorthOutside')

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