Realize a 3d line plot

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EldaEbrithil 2021-5-20

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https://ww2.mathworks.cn/matlabcentral/answers/834963-realize-a-3d-line-plot

评论： EldaEbrithil 2021-5-20

采纳的回答： Cris LaPierre

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Hi all

i need to realize a 3d plot for displaying 3 connected quantities.

for i=1:length(i_ed)   
    for j=1:length(x)
    if K1(i,j)>0
   psl(i,j)=(70*(W_end_t(i)/Sr(i))*K1(i,j)*K2(i)*K3*acg(i))*1000;%N/m^2 RES22 (61)
    end
    end
end
plot3(L_end,x,psl)
xlabel('L')
ylabel('x')
zlabel('Psl')
hold on

where L_end has length(i_ed) elements. For better understanding the problem, x/L_end varies between very small values to 1. My goal it is to graph in the same 3d plot many curves as L_end length.

Thank you for the help!

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采纳的回答

Cris LaPierre 2021-5-20

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/834963-realize-a-3d-line-plot#answer_704433

You must be getting an error message. What does it say (all the red text)?

Check that your inputs are what plot3 expects.

plot3(X,Y,Z) plots coordinates in 3-D space.

To plot a set of coordinates connected by line segments, specify X, Y, and Z as vectors of the same length.
To plot multiple sets of coordinates on the same set of axes, specify at least one of X, Y, or Z as a matrix and the others as vectors.