A PORTABLE FORTRAN SUBROUTINE FOR EXPONENTIAL INTEGRALS OF A COMPLEX ARGUMENT

被引：10

作者：

AMOS, DE

机构：

[1] Sandia National Labs, Albuquerque, NM

来源：

ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE | 1990年 / 16卷 / 02期

关键词：

D O I：

10.1145/78928.78934

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

The algorithm computes exponential integrals En1990 for integer orders n ≥ 1 and complex z in -π < arg z ≤ π. Both single and double precision subroutines are provided. Exponential scaling and stable sequence generation are auxiliary options. © 1990, ACM. All rights reserved.

引用

页码：178 / 182

页数：5

共 5 条

[1] COMPUTATION OF EXPONENTIAL INTEGRALS OF A COMPLEX ARGUMENT [J].

AMOS, DE .

ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE, 1990, 16 (02) :169-177

[2] A PORTABLE PACKAGE FOR BESSEL-FUNCTIONS OF A COMPLEX ARGUMENT AND NONNEGATIVE ORDER [J].

AMOS, DE .

ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE, 1986, 12 (03) :265-273

[3] COMPUTATION OF EXPONENTIAL INTEGRALS [J].

AMOS, DE .

ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE, 1980, 6 (03) :365-377

[4]

AMOS DE, 1983, ACM T MATH SOFTWARE, V9, P525

[5]

FOX PA, 1978, ACM T MATH SOFTWARE, V4, P177

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