Module pwlTable

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Classes

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PWLTable
Tabular representation of a PWL function, as an alternative to KeyedTree

Functions

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str

attrString(attr)
Returns: a happy string representation of the given attribute

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str

getProbRep(vector, side=True)
Returns: for probabilistic tuples, returns a unary constraint represenation of this vector

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str

getArrayRep(a, b, side=True)
Returns: for binary array, returns a unary constraint representation of this vector

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float or bool

solveTuple(a, b=None)
Solves a 2-dimensional vector for one of the variables

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detectConflict(vector1, side1, vector2, side2)
Detects whether there is a conflict between two attribute-value pairs, where each attribute is a binary, 2-dimensional vector

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Function Details

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attrString(attr)

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Returns: str: a happy string representation of the given attribute

getProbRep(vector, side=True)

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Returns: str: for probabilistic tuples, returns a unary constraint represenation of this vector

getArrayRep(a, b, side=True)

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Returns: str: for binary array, returns a unary constraint representation of this vector

solveTuple(a, b=None)

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Solves a 2-dimensional vector for one of the variables

Parameters:

vector (KeyedVector) - ax + by

Returns: float or bool

-b/(a-b) if a!=b; otherwise, True iff b>0

detectConflict(vector1, side1, vector2, side2)

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Detects whether there is a conflict between two attribute-value pairs, where each attribute is a binary, 2-dimensional vector

Parameters:

vector1,vector2 (KeyedVector)
side1,side2 (bool)

Returns:

True if there is a conflict