which matlab toolbox has the function plotconst?

which matlab toolbox has the function plotconst?

[David Young]

None. What do you actually want to do?

Answer 1

[Azzi Abdelmalek]

You can search on google by clicking plotconst matlab, you will find it's not a Matlab function

[Li]

Thanks,I have gotten it,the function is made by others,mat lab does not have.