What does pi mean in matlab

What does pi in matlab mean?

Pi in matlab represents pi.

1. Enter "help pi" in the command line window, and you can see the introduction, as shown below:

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2. Usage example:

If we want to find a circle with a radius of 4, we can enter 4*4*pi, as shown in the figure below

After pressing the Enter key, you can see that the area of ​​the circle is 50.2655, as shown below:

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