### Abstract

Original language | Undefined |
---|---|

Pages (from-to) | 83-87 |

Number of pages | 5 |

Journal | Clinical physics and physiological measurement |

Volume | 12 |

Issue number | Suppl. A |

DOIs | |

Publication status | Published - 1991 |

### Keywords

- METIS-129057
- IR-97888

### Cite this

*Clinical physics and physiological measurement*,

*12*(Suppl. A), 83-87. https://doi.org/10.1088/0143-0815/12/A/016/meta

}

*Clinical physics and physiological measurement*, vol. 12, no. Suppl. A, pp. 83-87. https://doi.org/10.1088/0143-0815/12/A/016/meta

**The use of the asymptotic expansion to speed up the computation of a series of spherical harmonics.** / de Munck, J.C.; de Munck, J.C.; Hämäläinen, M.S.; Peters, M.J.

Research output: Contribution to journal › Article › Academic

TY - JOUR

T1 - The use of the asymptotic expansion to speed up the computation of a series of spherical harmonics

AU - de Munck, J.C.

AU - de Munck, J.C.

AU - Hämäläinen, M.S.

AU - Peters, M.J.

PY - 1991

Y1 - 1991

N2 - When a function is expressed as an infinite series of spherical harmonics the convergence can be accelerated by subtracting its asymptotic expansion and adding it in analytically closed form. In the present article this technique is applied to two biophysical cases: to the potential distribution in a spherically symmetric volume conductor and to the covariance matrix of biomagnetic measurements.

AB - When a function is expressed as an infinite series of spherical harmonics the convergence can be accelerated by subtracting its asymptotic expansion and adding it in analytically closed form. In the present article this technique is applied to two biophysical cases: to the potential distribution in a spherically symmetric volume conductor and to the covariance matrix of biomagnetic measurements.

KW - METIS-129057

KW - IR-97888

U2 - 10.1088/0143-0815/12/A/016/meta

DO - 10.1088/0143-0815/12/A/016/meta

M3 - Article

VL - 12

SP - 83

EP - 87

JO - Clinical physics and physiological measurement

JF - Clinical physics and physiological measurement

SN - 0143-0815

IS - Suppl. A

ER -