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# numpy.polynomial.hermite_e.HermiteE

class `numpy.polynomial.hermite_e.``HermiteE`(coef, domain=[-1, 1], window=[-1, 1])

  A HermiteE series class.

  HermiteE instances provide the standard Python numerical methods ‘+’, ‘-‘, ‘*’, ‘//’, ‘%’, ‘divmod’, ‘**’, and ‘()’ as well as the listed methods.

  Parameters : | coef : array_like HermiteE coefficients, in increasing order. For example, `(1, 2, 3)` implies `P_0 + 2P_1 + 3P_2` where the `P_i` are a graded polynomial basis. domain : (2,) array_like, optional Domain to use. The interval `[domain[0], domain[1]]` is mapped to the interval `[window[0], window[1]]` by shifting and scaling. The default value is [-1,1]. window : (2,) array_like, optional Window, see `domain` for its use. The default value is [-1,1]. .. versionadded:: 1.6.0

  Notes

  It is important to specify the domain in many cases, for instance in fitting data, because many of the important properties of the polynomial basis only hold in a specified interval and consequently the data must be mapped into that interval in order to benefit.

  Attributes

  `domain` |
  `window` |

  coef | (N,) ndarray | HermiteE coefficients, from low to high.

  Methods

  `__call__`(arg) |
  `basis`(deg[, domain, window]) | HermiteE polynomial of degree deg.
  `cast`(series[, domain, window]) | Convert instance to equivalent HermiteE series.
  `convert`([domain, kind, window]) | Convert to different class and/or domain.
  `copy`() | Return a copy.
  `cutdeg`(deg) | Truncate series to the given degree.
  `degree`() | The degree of the series.
  `deriv`([m]) | Differentiate.
  `fit`(x, y, deg[, domain, rcond, full, w, window]) | Least squares fit to data.
  `fromroots`(roots[, domain, window]) | Return HermiteE instance with specified roots.
  `has_samecoef`(other) | Check if coefficients match.
  `has_samedomain`(other) | Check if domains match.
  `has_sametype`(other) | Check if types match.
  `has_samewindow`(other) | Check if windows match.
  `identity`([domain, window]) | Identity function.
  `integ`([m, k, lbnd]) | Integrate.
  `linspace`([n, domain]) | Return x,y values at equally spaced points in domain.
  `mapparms`() | Return the mapping parameters.
  `roots`() | Return list of roots.
  `trim`([tol]) | Remove small leading coefficients
  `truncate`(size) | Truncate series to length size.

### Navigation

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