34 lines
712 B
Scala
34 lines
712 B
Scala
scala> val x = 2.0
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x: Double = 2.0
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scala> val xi = 0.5
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xi: Double = 0.5
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scala> val y = 4.0
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y: Double = 4.0
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scala> val yi = 0.25
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yi: Double = 0.25
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scala> val z = x + y
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z: Double = 6.0
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scala> val zi = 1.0 / ( x + y )
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zi: Double = 0.16666666666666666
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scala> val numbers = List(x, y, z)
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numbers: List[Double] = List(2.0, 4.0, 6.0)
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scala> val inverses = List(xi, yi, zi)
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inverses: List[Double] = List(0.5, 0.25, 0.16666666666666666)
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scala> def multiplier = (n1: Double, n2: Double) => (m: Double) => n1 * n2 * m
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multiplier: (Double, Double) => (Double) => Double
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scala> def comp = numbers zip inverses map multiplier.tupled
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comp: List[(Double) => Double]
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scala> comp.foreach(f=>println(f(0.5)))
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0.5
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0.5
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0.5
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