Flowdock
class
Importance_1
Ruby latest stable (v1_9_3_392) - 0 notes - Superclass: StandardError

Raised when a mathematical function is evaluated outside of its domain of definition.

For example, since cos returns values in the range -1..1, its inverse function acos is only defined on that interval:

Math.acos(42)

produces:

Math::DomainError: Numerical argument is out of domain - "acos"
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