is.inf returns a vector of the same length as the input object, indicating which elements are infinite (not missing).

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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 kmw@rockefeller.edu

~~objects to See Also as `is.finite`

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