3D Plot in probability

2020 4 19
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更新时间：2020 4 22
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I'm working on a probability and reliability function using HL RF method (Hasofer-Lind and Rackwitz-Fiessler) where I've to plot a 3D graph with a Gu function, any 2 variables and the sigma values. How can i plot it?

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darova
darova 2020-4-20
Do you have formulas or equations?
Rithwik Goud Salloori
编辑：Rithwik Goud Salloori 2020-4-20
Yes. my Gu function is (0.15384*(p*l^3))/(e*b*t^3). So, I've to consider any 2 varibles with the highest sensitivity to form their pdf functions with limits upto 4 or 5 sigma and plot a figure with respect to my Gu function. And the variables have different type of distributions. i.e p=normal, l=uniform, e=lognormal,b,t=beta.
darova
darova 2020-4-20
DO you have any attempts? The code?
So, I've tried the code on Monte Carlo Simulation, you can see the code at the end.

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回答（1 个）

Aditya Mittal
Aditya Mittal 2020-4-22

0 个投票

Hi,
You can easily create 3-D plots using different 3-D plot functions available in MATLAB. You can consider the link below.
https://www.mathworks.com/help/matlab/visualize/creating-3-d-plots.html
You can use meshgridfunction of MATLAB to create matrices for your variables. Further, create the equation for Gu function and then plot the graph.
Pseudo code-
[var1, var2] = meshgrid(v1, v2);
% use var1 , var2 instead of v1, v2 for the calculation of the function.
Gu = (0.15384*(p*l^3))/(e*b*t^3);
Surf(v1, v2 , Gu);

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