How to assign an arbitrary tensor to model's parameter?

Also, I try to use named_parameter to select the parameter I want to initialize:


But it didn’t work, the value of parameter is not changed.

But when I use: v.data=regression_fc.data It works.

Why? What’s the difference between v=regression_fc and v.data=regression_fc.data ?
I alsways assign value to Variable by simply using variable=xxx , when should I need to add .data?