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ricci  

Ricci Calculus
View on CRAN: Click here


Download and install ricci package within the R console
Install from CRAN:
install.packages("ricci")

Install from Github:
library("remotes")
install_github("cran/ricci")

Install by package version:
library("remotes")
install_version("ricci", "0.1.1")



Attach the package and use:
library("ricci")
Maintained by
Lukas Schneiderbauer
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2025-09-04
Latest Update: 2025-09-04
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.
How to cite:
Lukas Schneiderbauer (2025). ricci: Ricci Calculus. R package version 0.1.1, https://cran.r-project.org/web/packages/ricci. Accessed 27 Aug. 2026.
Previous versions and publish date:
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Full ricci package functions and examples
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