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complex-division

Floating point complex division

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complex-division

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Floating point complex division

Intro

Complex floating point division isn't quite trivial. The naive method may encounter overflow, underflow, or loss of precision due to the intermediate floating point results. A simple remedy[1] is:

Complex division

Usage

require('complex-division')( a, b, c, d [, result] )

Calculates (a + ib)/(c + id) and returns a two-element JS array with the real and imaginary components.

result is an optional Array or typed array into which the output is inserted.

Example

var cdiv = require('complex-division');

var result = cdiv( 1, 2, 3, 4 );

// result = [ 0.44, 0.08 ]

References

[1] Press, William H. Numerical Recipes 3rd Edition: The Art of Scientific Computing. Cambridge University Press, 2007.

Credits

(c) 2015 Ricky Reusser. MIT License

Keywords

complex

FAQs

Package last updated on 16 May 2015

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