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Student[NumericalAnalysis][NumberOfSignificantDigits] - compute the number of significant digits of an approximation
Calling Sequence
NumberOfSignificantDigits(xe, xa, opts)
Parameters
xe
-
realcons; the exact value
xa
realcons; the approximate value
opts
(optional) equation(s) of the form keyword = value, where keyword is: digits; the options for computing the number of significant digits
Description
The NumberOfSignificantDigits command computes the number of significant digits of an approximation using the exact value and approximate value.
The the number of significant digits must obey: and , where is the number of significant digits and is the relative error.
Options
digits = posint
A positive integer; the environment variable Digits will be set to this integer during the execution of this procedure. By default this is set to 10.
Examples
See Also
Student[NumericalAnalysis], Student[NumericalAnalysis][AbsoluteError], Student[NumericalAnalysis][ComputationOverview], Student[NumericalAnalysis][RelativeError]
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