Asked by Xiu
on 28 Oct 2011

How to generate a 3D line plot? I know how to generate 3D surface plot using mesh,surf,etc. But instead of surface, i want line plot. for example, I have a set of data, i want to plot the data against time stamp and variables. I tried using plot3, but this function require the inputs to have same dimension. Can anyone help me with this, please?

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Answer by Fangjun Jiang
on 28 Oct 2011

Accepted answer

If you want to plot 3D lines, you need to have 3D data, whether the data is the typical x,y,z coordinates or one of the dimension is time.

line() can support (x,y,z) pairs.

Xiu
on 28 Oct 2011

from my understanding of function line(), the dimension of the inputs must be the same, which in my case, I have two vectors with different size and a matrix.

Fangjun Jiang
on 28 Oct 2011

%%

m=7;

n=8;

d=rand(m,n)

[x,y]=meshgrid(1:n,1:m);

plot3(x,y,d);grid on;

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