Arc-tangent

Description

The arc-tangent of two arguments arctan2(y, x) returns the angle between the x-axis and the vector from the origin to (x, y) for PiecewiseLinearFuzzyNumbers.

Usage

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## S4 method for signature 
## 'PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber'
arctan2(y, x)

Arguments

y

a PiecewiseLinearFuzzyNumber

x

a PiecewiseLinearFuzzyNumber

Details

Note that resulting values are no longer from interval [-pi,pi] but [-1.5pi,pi], in order to provide valid fuzzy numbers as result.

Value

Returns a fuzzy number of the class PiecewiseLinearFuzzyNumber indicating the angle specified by the input fuzzy numbers. The range of results is [-1.5pi,pi].

See Also

Other PiecewiseLinearFuzzyNumber-method: *,PiecewiseLinearFuzzyNumber,FuzzyNumber-method, *,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method, *,PiecewiseLinearFuzzyNumber,numeric-method, *,TrapezoidalFuzzyNumber,numeric-method, *,numeric,FuzzyNumber-method, +,PiecewiseLinearFuzzyNumber,FuzzyNumber-method, +,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method, +,PiecewiseLinearFuzzyNumber,numeric-method, +,TrapezoidalFuzzyNumber,TrapezoidalFuzzyNumber-method, +,numeric,FuzzyNumber-method, -,FuzzyNumber,ANY-method, -,PiecewiseLinearFuzzyNumber,FuzzyNumber-method, -,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method, -,PiecewiseLinearFuzzyNumber,numeric-method, -,TrapezoidalFuzzyNumber,TrapezoidalFuzzyNumber-method, -,numeric,FuzzyNumber-method, /,PiecewiseLinearFuzzyNumber,FuzzyNumber-method, /,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method, /,PiecewiseLinearFuzzyNumber,numeric-method, Arithmetic; PiecewiseLinearFuzzyNumber-class; PiecewiseLinearFuzzyNumber; ^,PiecewiseLinearFuzzyNumber,numeric-method; alphaInterval, alphaInterval,FuzzyNumber-method, alphaInterval,PiecewiseLinearFuzzyNumber-method, alphaInterval,PowerFuzzyNumber-method, alphaInterval,TrapezoidalFuzzyNumber-method; as.PiecewiseLinearFuzzyNumber, as.PiecewiseLinearFuzzyNumber,FuzzyNumber-method, as.PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method, as.PiecewiseLinearFuzzyNumber,TrapezoidalFuzzyNumber-method, as.PiecewiseLinearFuzzyNumber,numeric-method; as.PowerFuzzyNumber, as.PowerFuzzyNumber,FuzzyNumber-method, as.PowerFuzzyNumber,PiecewiseLinearFuzzyNumber-method, as.PowerFuzzyNumber,PowerFuzzyNumber-method, as.PowerFuzzyNumber,TrapezoidalFuzzyNumber-method, as.PowerFuzzyNumber,numeric-method; as.TrapezoidalFuzzyNumber, as.TrapezoidalFuzzyNumber,FuzzyNumber-method, as.TrapezoidalFuzzyNumber,PiecewiseLinearFuzzyNumber-method, as.TrapezoidalFuzzyNumber,PowerFuzzyNumber-method, as.TrapezoidalFuzzyNumber,TrapezoidalFuzzyNumber-method, as.TrapezoidalFuzzyNumber,numeric-method; as.character, as.character,FuzzyNumber-method, as.character,PiecewiseLinearFuzzyNumber-method, as.character,PowerFuzzyNumber-method, as.character,TrapezoidalFuzzyNumber-method; expectedInterval, expectedInterval,FuzzyNumber-method, expectedInterval,PiecewiseLinearFuzzyNumber-method, expectedInterval,PowerFuzzyNumber-method, expectedInterval,TrapezoidalFuzzyNumber-method; fapply, fapply,PiecewiseLinearFuzzyNumber,function-method; maximum, maximum,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; minimum, minimum,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; necessityExceedance, necessityExceedance,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; necessityStrictExceedance, necessityStrictExceedance,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; necessityStrictUndervaluation, necessityStrictUndervaluation,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; necessityUndervaluation, necessityUndervaluation,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; plot, plot,DiscontinuousFuzzyNumber,missing-method, plot,FuzzyNumber,missing-method, plot,PiecewiseLinearFuzzyNumber,missing-method, plot,TrapezoidalFuzzyNumber,missing-method; possibilityExceedance, possibilityExceedance,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; possibilityStrictExceedance, possibilityStrictExceedance,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; possibilityStrictUndervaluation, possibilityStrictUndervaluation,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method; possibilityUndervaluation, possibilityUndervaluation,PiecewiseLinearFuzzyNumber,PiecewiseLinearFuzzyNumber-method

Examples

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