Graphmath.Quatern.from_list

You're seeing just the function from_list, go back to Graphmath.Quatern module for more information.
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from_list(list)

Specs

from_list([float()]) :: quatern()

create(quatern) creates a quatern from a list of 4 or more floats.

quatern is a list of 4 or more floats.

It returns a quatern of the form {w,x,y,z}, where w, x, y, and z are the first four elements in quatern.