Package: ricci
Title: Ricci Calculus
Version: 0.1.1.9000
Authors@R: 
    person("Lukas", "Schneiderbauer",
      email = "lukas.schneiderbauer@gmail.com",
      role = c("aut", "cre", "cph"),
      comment = c(ORCID = "0000-0002-0975-6803"))
Description: Provides a compact 'R' interface for performing tensor
        calculations. This is achieved by allowing (upper and lower)
        index labeling of arrays and making use of Ricci calculus
        conventions to implicitly trigger contractions and diagonal
        subsetting. Explicit tensor operations, such as addition,
        subtraction and multiplication of tensors via the standard
        operators, raising and lowering indices, taking symmetric or
        antisymmetric tensor parts, as well as the Kronecker product
        are available. Common tensors like the Kronecker delta, Levi
        Civita epsilon, certain metric tensors, the Christoffel
        symbols, the Riemann as well as Ricci tensors are provided. The
        covariant derivative of tensor fields with respect to any
        metric tensor can be evaluated. An effort was made to provide
        the user with useful error messages.
License: GPL (>= 3)
Encoding: UTF-8
Roxygen: list(markdown = TRUE)
RoxygenNote: 7.3.2
Suggests: knitr, rmarkdown, Ryacas, testthat (>= 3.0.0), waldo
Config/testthat/edition: 3
Imports: calculus, cli, rlang
Depends: R (>= 4.1.0)
URL: https://github.com/lschneiderbauer/ricci,
        https://lschneiderbauer.github.io/ricci/
BugReports: https://github.com/lschneiderbauer/ricci/issues
VignetteBuilder: knitr, rmarkdown
Repository: https://lschneiderbauer.r-universe.dev
Date/Publication: 2025-09-05 16:55:45 UTC
RemoteUrl: https://github.com/lschneiderbauer/ricci
RemoteRef: HEAD
RemoteSha: 5672be07ed74729acc081f2426ef2cb1a2c0d812
NeedsCompilation: no
Packaged: 2026-09-30 08:55:19 UTC; root
Author: Lukas Schneiderbauer [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-0975-6803>)
Maintainer: Lukas Schneiderbauer <lukas.schneiderbauer@gmail.com>