Bug located in `vec` and `mat` functions

[clatapie]

🔍 Before submitting the issue

• I have searched among the existing issues
• I am using a Python virtual environment

🐞 Description of the bug

In the function definitions of vec and mat, the variable init is initialized with zeros. This is causing errors. The default value needs to be None.

📝 Steps to reproduce

mapdl.vec("u", "Z", "LINK", Q, 2)
u = mm.vec(name="u", asarray=True)
print(u)
>>> array([0., 0.])

💻 Which operating system are you using?

Windows

📀 Which ANSYS version are you using?

No response

🐍 Which Python version are you using?

3.10

📦 Installed packages

-

[clatapie]

This issue has been highlighted by the PyMAPDL PR ansys/pymapdl#2102.