Ricci Calculus

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Documentation for package ‘ricci’ version 0.1.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

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)