Fast Fourier transform: Difference between revisions
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Note that Re and Im are not functions of 1 and 0 but are functions of the complete sequence.
Also note that floating point values are being calculated to the full 53 bits of mantissa precision of 64 bit floating point numbers, but only the first six digits are displayed, by default. Finally, note that J uses a different character for negative sign than for subtraction, to eliminate ambiguity (is this a single list of numbers or are lists being subtracted?).
=={{header|Liberty BASIC}}==
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