rkeops (version 2.2.2)

identifier: Identifier.

Description

Returns the identifier/label of a LazyTensor which is contained in arg.

Usage

identifier(arg)

Value

A string.

Arguments

arg

A string corresponding to an element of the attribute args of a LazyTensor.

Author

Chloe Serre-Combe, Amelie Vernay

Details

identifier(arg) will extract a unique identifier of the form "A0x.*" from the argument arg which has the form "A0x.*=Vi(3)".

Examples

if (FALSE) {
x <- matrix(runif(150 * 3), 150, 3) # arbitrary R matrix, 150 rows, 3 columns
x_i <- LazyTensor(x, index = 'i')   # creating LazyTensor from matrix x, 
                                    # indexed by 'i'
arg <- x_i$args[1]                  # argument of the form "A0x.*=Vi(3)"
id <- identifier(arg)               # extracts "A0x.*"
}