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Udforsk Fourieranalyse - studér fouriersyntese På websitet: http://www.falstad.com/fourier/ ligger en meget instruktiv applet, der interaktivt demonstrerer fourieranalyse med en række eksempler

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Del "Udforsk Fourieranalyse - studér fouriersyntese På websitet: http://www.falstad.com/fourier/ ligger en meget instruktiv applet, der interaktivt demonstrerer fourieranalyse med en række eksempler"

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Hvad er matematik? 3

ISBN 9788770668781

website: link fra kapitel 1

© 2019 L&R Uddannelse A/S • Vognmagergade 11 • DK-1148 • København K • Tlf: 43503030 • Email: info@lru.dk

Udforsk Fourieranalyse - studér fouriersyntese

På websitet: http://www.falstad.com/fourier/ ligger en meget instruktiv applet, der interaktivt demonstrerer fourieranalyse med en række eksempler

This applet demonstrates Fourier series, which is a method of expressing an arbitrary periodic function as a sum of cosine terms. In other words, Fourier series can be used to express a function in terms of the frequencies (harmonics) it is composed of.

To select a function, you may press one of the following buttons: Sine, Triangle, Sawtooth, Square, and Noise. The function is displayed in white, with the Fourier series approximation in red. You can edit the function directly by clicking on it.

Index of examples.

....

(2)

Hvad er matematik? 3

ISBN 9788770668781

website: link fra kapitel 1

© 2019 L&R Uddannelse A/S • Vognmagergade 11 • DK-1148 • København K • Tlf: 43503030 • Email: info@lru.dk

Der findes mange sites om Fourieranalyse, og mange med animationerf og en vis interaktivitet, fx denne:

https://www.intmath.com/fourier-series/fourier-graph-applet.php

Du kan her finde en kort film, der giver en overskueligt indføring i Fourieranalysens verden.

Du kan selv fordybe dig yderligere i Fourieranalysen i Projekt 1.3 - fourierrækker-med data, som findes i projektmappen.

Referencer

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