Coordinate names for relativity
Trivial function to set coordinate names to “t”,
“x”, “y”, “z”.
coordnames(...) flob(x)
... |
Further arguments, currently ignored |
x |
A matrix |
Function coordnames() simply returns the character string
c("t","x","y","z"). It may be overwritten.
Function flob() sets the row and columnnames of a 4*4 matrix to coordnames().
If anyone can think of a better name than flob() let me know.
Robin K. S. Hankin
coordnames()
flob(diag(3))
flob(matrix(1,4,4))
## You can change the names if you wish:
coordnames <- function(x){letters[1:4]}
flob(outer(1:4,1:4))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.