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What is Signum function? Explain

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asked Dec 25, 2016 in Mathematics by sforrest072 (157,439 points) ● 61 ● 410 ● 947

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answered Dec 25, 2016 by sforrest072 (157,439 points) ● 61 ● 410 ● 947
 
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Signum function The function f: R->R defined by

is called the signum function. The domain of the signum function is R and the range is the set {–1, 0, 1}. The graph of the signum function is given by the Figure below:

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