How to use hold on in matlab

How to use hold on in matlab?

In the first step, we first need to know that hold on is mainly used to retain the current drawing when adding a new drawing. Enter the help hold command in the command line window and you can see the introduction, as shown in the figure below:

In the second step, let’s use hold on, create an m file, and enter the

“
x=1:10;
y=[1 3 5 7 7 8 8 10 15 18]
plot(x,y,'-*')
hold on
x1=1:10;
y1=[1 2 3 4 5 6 7 9 15 18]
plot(x1,y1,'-*')
”

code, as shown below:

The third step is to run the m file. You can see that two lines are drawn on one image. hold on is mainly used when drawing multiple lines, as shown in the following figure:

In the fourth step, we can also look at the image of drawing multiple lines without using hold on, as shown below:

After running the m file in the fifth step, you can see that only the latest line is drawn, as shown below:

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