R: Ricci Calculus

# Ricci Calculus

## Documentation for package ‘ricci’ version 0.1.1

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

%_% | Create a labeled array (tensor)
. | Index slot label specification
as.array.tensor | Strip array labels
asym | Antisymmetric tensor part
as_a | Strip array labels
at | Evaluate a symbolic array
at.array | Evaluate a symbolic array
at.tensor | Evaluate a symbolic array
christoffel | Christoffel symbols
covd | Covariant Derivative
d | Kronecker delta
e | Levi-Civita epsilon
expect_tensor_equal | Does code return the expected value?
g_eucl_cart | Euclidean metric tensor
g_eucl_sph | Euclidean metric tensor
g_mink_cart | Minkowski metric tensor
g_mink_sph | Minkowski metric tensor
g_sph | Metric tensor of the sphere
g_ss | Schwarzschild metric tensor
kron | Kronecker product
l | Lower tensor indices
metric_field | Create a metric tensor field
Ops.tensor | Arithmetic tensor operations
r | Raise tensor indices
ricci | Ricci curvature tensor
ricci_sc | Ricci scalar
riemann | Riemann curvature tensor
simplify | Simplify symbolic expressions
subst | Substitute tensor labels
sym | Symmetric tensor part
tensor | Create a labeled array (tensor)