MLUtils

Value Members

1. final def !=(arg0: Any): Boolean

   

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2. final def ##(): Int

   

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3. final def ==(arg0: Any): Boolean

   

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4. lazy val EPSILON: Double

   

   Machine precision

5. final def asInstanceOf[T0]: T0

   

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6. def clone(): AnyRef

   

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7. final def eq(arg0: AnyRef): Boolean

   

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8. def equals(arg0: Any): Boolean

   

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9. def fastSquaredDistance(v1: Vector, norm1: Double, v2: Vector, norm2: Double, precision: Double = 1e-6): Double

   

   Returns the squared Euclidean distance between two vectors.

   Returns the squared Euclidean distance between two vectors. The following formula will be used if it does not introduce too much numerical error:

     \|a - b\|_2^2 = \|a\|_2^2 + \|b\|_2^2 - 2 a^T b.
   

   When both vector norms are given, this is faster than computing the squared distance directly, especially when one of the vectors is a sparse vector.

   v1

   the first vector

   norm1

   the norm of the first vector, non-negative

   v2

   the second vector

   norm2

   the norm of the second vector, non-negative

   precision

   desired relative precision for the squared distance

   returns

   squared distance between v1 and v2 within the specified precision

10. def finalize(): Unit

    

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11. final def getClass(): Class[_]

    

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12. def hashCode(): Int

    

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13. final def isInstanceOf[T0]: Boolean

    

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14. final def ne(arg0: AnyRef): Boolean

    

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15. final def notify(): Unit

    

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16. final def notifyAll(): Unit

    

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17. final def synchronized[T0](arg0: ⇒ T0): T0

    

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18. def toString(): String

    

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19. final def wait(): Unit

    

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20. final def wait(arg0: Long, arg1: Int): Unit

    

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21. final def wait(arg0: Long): Unit

    

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