<![CDATA[Stock Market Cycles: Code, Scripts & Indicators]]>https://lars.cycles.org/s/codehttps://substackcdn.com/image/fetch/$s_!0L05!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb33c2b7b-9192-46d9-a122-01315025433c_1280x1280.pngStock Market Cycles: Code, Scripts & Indicatorshttps://lars.cycles.org/s/codeSubstackWed, 20 May 2026 04:42:24 GMT<![CDATA[Cyclic Smoothed RSI Indicator | TradingView ]]>https://lars.cycles.org/p/cyclic-smoothed-rsi-indicator-tradingviewhttps://lars.cycles.org/p/cyclic-smoothed-rsi-indicator-tradingviewSun, 26 Nov 2023 13:59:29 GMT

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]]><![CDATA[Hodrick Prescott Filter - Source Code]]>https://lars.cycles.org/p/hodrick-prescott-filter-source-codehttps://lars.cycles.org/p/hodrick-prescott-filter-source-codeTue, 14 Nov 2023 13:57:22 GMT“HP” Filter can be used to return either the detrended series or the trend component.

Source code is provided in C++ source code format:

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]]><![CDATA[Goertzel Fourier Transform (DFT) Source Code]]>https://lars.cycles.org/p/goertzel-fourier-transform-code-snippetshttps://lars.cycles.org/p/goertzel-fourier-transform-code-snippetsMon, 13 Nov 2023 15:34:49 GMTThis article provides source code for the Goertzel algorithm to compute individual terms of the discrete Fourier transform. The first form provides the standard Goertzel loop. The second form provides a generalized version for the case of non-integer frequency values.

The Goertzel algorithm provides a flexible and improved way to apply cycle analysis to time series datasets. Please watch my cycles course for benefits and background using standard FFT, Goertzel and generalized Goertzel algorithms:

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Further reading & references:
» Reference to Goertzel algorithm: Wikipedia on Goertzel

» Sysel, P., Rajmic, P. Goertzel algorithm generalized to non-integer multiples of fundamental frequency. EURASIP J. Adv. Signal Process. 2012, 56 (2012). https://doi.org/10.1186/1687-6180-2012-56

Source code section

Code is provided in .NET C# language.

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