numerics

Value Members

1. object Bessel

   Implementations of the Bessel functions, based on Numerical Recipes

2. object I extends UFunc with MappingUFunc

   The indicator function.

3. val Inf: Double

4. object IntMath

5. val NaN: Double

6. object Scaling extends Scaling

7. object abs extends UFunc with MappingUFunc

8. object acos extends UFunc with MappingUFunc

9. object acosh extends UFunc with MappingUFunc

10. object asin extends UFunc with MappingUFunc

11. object asinh extends UFunc with MappingUFunc

12. object atan extends UFunc with MappingUFunc

13. object atan2 extends UFunc with MappingUFunc

14. object atanh extends UFunc with MappingUFunc

15. object cbrt extends UFunc with MappingUFunc

16. object ceil extends UFunc with MappingUFunc

17. def closeTo(a: Double, b: Double, relDiff: Double = 1E-4): Boolean

    closeTo for Doubles.

18. object cos extends UFunc with MappingUFunc

19. object cosh extends UFunc with MappingUFunc

20. object digamma extends UFunc with MappingUFunc

    The derivative of the log gamma function

21. object erf extends UFunc with MappingUFunc

    An approximation to the error function

22. object erfc extends UFunc with MappingUFunc

    An approximation to the complementary error function: erfc(x) = 1 - erfc(x)

23. object erfcinv extends UFunc with MappingUFunc

    Inverse erfc

24. object erfi extends UFunc with MappingUFunc

    The imaginary error function for real argument x.

25. object erfinv extends UFunc with MappingUFunc

    Inverse erf

26. object exp extends UFunc with MappingUFunc

27. object expm1 extends UFunc with MappingUFunc

28. object floor extends UFunc with MappingUFunc

29. object gammp extends UFunc with MappingUFunc

    regularized incomplete gamma function \int_0x \exp(-t)pow(t,a-1) dt / Gamma(a)

30. object gammq extends UFunc with MappingUFunc

    regularized incomplete gamma function \int_0x \exp(-t)pow(t,a-1) dt / Gamma(a)

31. val inf: Double

32. object isEven extends UFunc with MappingUFunc

    Whether a number is even.

33. object isOdd extends UFunc with MappingUFunc

    Whether a number is odd.

34. object lbeta extends UFunc

    Evaluates the log of the generalized beta function.

35. object lgamma extends UFunc with MappingUFunc

    Computes the log of the gamma function.

36. object log extends UFunc with MappingUFunc

37. object log10 extends UFunc with MappingUFunc

38. object log1p extends UFunc with MappingUFunc

39. object logI extends UFunc with MappingUFunc

    The indicator function in log space: 0.

40. val nan: Double

41. def polyval(coefs: Array[Double], x: Double): Double

    Computes the polynomial P(x) with coefficients given in the passed in array.

    Computes the polynomial P(x) with coefficients given in the passed in array. coefs(i) is the coef for the x_i term.

42. object pow extends UFunc with MappingUFunc

43. object rint extends UFunc with MappingUFunc

44. object round extends UFunc with MappingUFunc

45. object sigmoid extends UFunc with MappingUFunc

    The sigmoid function: 1/(1 + exp(-x))

46. object signum extends UFunc with MappingUFunc

47. object sin extends UFunc with MappingUFunc

48. object sinc extends UFunc with MappingUFunc

    The sine cardinal (sinc) function, as defined by sinc(0)=1, sinc(n != 0)=sin(x)/x.

49. object sincpi extends UFunc with MappingUFunc

    The pi-normalized sine cardinal (sinc) function, as defined by sinc(0)=1, sinc(n != 0)=sin(Pi*x)/(Pi*x).

50. object sinh extends UFunc with MappingUFunc

51. object sqrt extends UFunc with MappingUFunc

52. object tan extends UFunc with MappingUFunc

53. object tanh extends UFunc with MappingUFunc

54. object toDegrees extends UFunc with MappingUFunc

55. object toRadians extends UFunc with MappingUFunc

56. object trigamma extends UFunc with MappingUFunc

    The second derivative of the log gamma function