phuzzy.shapes.superellipse module

superelliptic fuzzy number

Superellipse(alpha0=[-1, 2], alpha1=None, m=1, n=.5, number_of_alpha_levels=15)

Superellipse fuzzy number

class phuzzy.shapes.superellipse.Superellipse(**kwargs)

Bases: phuzzy.shapes.FuzzyNumber

superelliptic fuzzy number

__init__(**kwargs)

superelliptic fuzzy number

Parameters:kwargs –

Superellipse(alpha0=[1, 2], alpha1=None, m=2, n=None, number_of_alpha_levels=17)

__module__ = 'phuzzy.shapes.superellipse'

discretize(alpha0, alpha1, alpha_levels)

discretize shape function

Parameters:

• alpha0 – range at alpha=0
• alpha1 – range at alpha=1
• alpha_levels – number of alpha levels

Returns:

None

classmethod from_str(s)

instantiate a fuzzy number from string

Parameters:s – Return type:phuzzy.FuzzyNumber Returns:fuzzy number

shape(x)

shape function

Parameters:x (array or float) – x values Returns:y values

to_str()

serialize fuzzy number to string

Return type:str Returns:fuzzy string