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How to plot a graph with 3 different length vectors, vectors are generated by rand() function.

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Vikas Rahar
Vikas Rahar 2019-11-4
回答： JESUS DAVID ARIZA ROYETH 2019-11-4
I am plotting in 3 dimenions for 20000 points in the interval (0,1).
x=0:0.2:1
y=0:0.2:1
z=0:0.1:1
x= rand(1,20000)
y= rand(1,20000)
z=rand(1,20000)
i am extracting points foe which at least one of 3 dimensions is bigger than 0.9 and plotting the points.
plot3(x(find(x>0.9)),y(find(y>0.9)),z(find(z>0.9)),'b*');
As the size of x,y,z is not equal after the conditions. (Size would vary each time as i am using rand function)
I am getting error Vectors must be of the same length.

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采纳的回答

JESUS DAVID ARIZA ROYETH
solution:
close all
x= rand(1,20000);
y= rand(1,20000);
z=rand(1,20000);
f=or(or(x>0.9,y>0.9),z>0.9);
plot3(x(f),y(f),z(f),'b*')

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