How does pplane work?

I have matlab2018b，but I don't know how to run pplane.Run pplane need input four value ,I don't know what are they，Please help me as soon as possible, thank you very much.

[Star Strider]

Reference: pplane

[deyuan]

What is the command when calling the function, for example, what is filled in the position of pplane(action, input1,inout2, input3)‘action’and how are ‘input1, input2, and input’ input respectively

[Star Strider]

Check the documentation or contact the author.

[deyuan]

I think there is no problem with the document. I don't know how to contact the author.