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How to plot graph from mat file?

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Hi everyone, I face a difficulty in plotting graph from mat file. I want to get the graph from the mat file but the graph did not pop out and get the result in command window as shown in the figure 1 below.
Figure 1
The figure 2 below is the setting for the code.
Anyone can help me? Thanks. This is the code I am using:
clc;
clear all;
close all;
s = load('lai3.mat');
plot(transpose(s.val))
  1 Comment
Steven Lord
Steven Lord on 25 Mar 2020
I recommend you change the name of your script. There is already a function named graph in MATLAB.

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Accepted Answer

Subhamoy Saha
Subhamoy Saha on 25 Mar 2020
clc;
clear all;
close all;
s = load('lai3.mat');
x=s.lai3(:,1); % s is having a field named lai3
y=s.lai3(:,2);
plot(x,y)
  4 Comments
Subhamoy Saha
Subhamoy Saha on 25 Mar 2020
Can you tell what was the problem because I'm getting plot with the sugested line of codes.
KIEN WEI LAI
KIEN WEI LAI on 25 Mar 2020
It is the naming of my file. I put graph.mat instead of other name. That's why have the problem.

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