Description Usage Arguments Details Value Author(s) References See Also Examples
inverse
is a S3 generic method for inverting an R operator in the
mathematical sense. Presently, inverses are defined for relational
operators, i.e. changing >
to <=
etc.
1 |
x |
object representing an R operator |
... |
additional arguments |
Arguments will be checked against the defined list of inverses, If an entry exists, the corresponding inverse is returned.
inverse
returns the inverse in the same form as the x
argument. Thus, if a name is provided, a name is returned. If a function is
provided, a function is returned.
Christopher Brown
http://en.wikipedia.org/wiki/Inverse_mathematics.
operators
especially operators(type="relational"))
1 2 3 4 5 |
`==`
function (e1, e2) .Primitive("!=")
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