New Metrics for Evaluating the Accuracy of Fundamental Frequency Estimation Approaches in Musical Signals

Devaney, Johanna

doi:10.1109/icassp40776.2020.9052951

Cited by 1 publication

(1 citation statement)

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“…Images generated from Wolfram Alpha's Koch Snowflake Generator. In 1919, both Gaston Julia and Pierre Fatou discovered that a Julia Set must be either connected or a set of an infinite number of points that do not connect (7). As such, there is no value of C in which there are 3, 73, or 785 pieces in a Julia Set (8).…”

Section: Introductionmentioning

confidence: 99%

Fractals: Exploring Mandelbrot Coordinates and qualitative characteristics of the corresponding Julia Set

Thomas,

Williams

2022

J Emerg Invest

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The Mandelbrot Set and Julia Sets are fractals that are generated employing the cyclic equation zn+1 = zn2 + C an infinite number of times, where zn and C are complex numbers. For the Mandelbrot set, the value of zn is static and the equation projects points that do not diverge to infinity for all possible values of C derived from coordinates on the complex plane. For Julia Sets, every value of C remains static while every value for zn that does not diverge to infinity is projected. Because the standard, 2D Mandelbrot set assumes the value of zn = 0, there is only one primary depiction of the Mandelbrot Set. For Julia Sets, the value of C is not assumed, and therefore, there are an infinite number of Julia Sets. In this study, the effect of changing the coordinate from which the value of C is derived in the complex plane for the equation zn+1 = zn2 + C on the qualitative characteristics of the coordinate’s corresponding, standard 2D Julia Set in relation to the standard, 2D Mandelbrot Set is observed — specifically, Julia Sets derived from points outside the Mandelbrot Set, in the main cardioid of the Mandelbrot Set, in the primary bulbs of the Mandelbrot Set, along the edges of the Mandelbrot set, along the real and imaginary axes.

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Section: Introductionmentioning

confidence: 99%