expint: Exponential Integral and Incomplete Gamma Function (original) (raw)
The exponential integrals E_1(x), E_2(x), E_n(x) and Ei(x), and the incomplete gamma function G(a, x) defined for negative values of its first argument. The package also gives easy access to the underlying C routines through an API; see the package vignette for details. A test package included in sub-directory example_API provides an implementation. C routines derived from the GNU Scientific Library <https://www.gnu.org/software/gsl/>.
| Version: | 0.1-8 |
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| Depends: | R (≥ 3.3.0) |
| Published: | 2022-10-28 |
| DOI: | 10.32614/CRAN.package.expint |
| Author: | Vincent Goulet [cre, aut], Gerard Jungman [aut] (Original GSL code), Brian Gough [aut] (Original GSL code), Jeffrey A. Ryan [aut] (Package API), Robert Gentleman [aut] (Parts of the R to C interface), Ross Ihaka [aut] (Parts of the R to C interface), R Core Team [aut] (Parts of the R to C interface), R Foundation [aut] (Parts of the R to C interface) |
| Maintainer: | Vincent Goulet <vincent.goulet at act.ulaval.ca> |
| BugReports: | https://gitlab.com/vigou3/expint/-/issues |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| URL: | https://gitlab.com/vigou3/expint |
| NeedsCompilation: | yes |
| Citation: | expint citation info |
| Materials: | NEWS |
| In views: | NumericalMathematics |
| CRAN checks: | expint results |
Documentation:
Downloads:
Reverse dependencies:
| Reverse imports: | actuar, bbreg, BoundEdgeworth, ccrtm, dwp, extrafrail, frailtyEM, new.dist, SAME, SenTinMixt, Temporal |
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| Reverse linking to: | actuar |
| Reverse suggests: | blme |
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