is.inf returns a vector of the same length as the input object, indicating which elements are infinite (not missing).
object to be tested
is.infinite returns a vector of the same length as x the jth element of which is TRUE if x[j] is infinite (i.e., equal to one of Inf or -Inf). This will be false unless x is numeric or complex. Complex numbers are infinite if either the real and imaginary part is.
Knut M. Wittkowski email@example.com
~~objects to See Also as
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