CHEONG Siew Ann

Research topics:

• Computational physics
• Complex system dynamics
• Bioinformatics

For more information, visit webpage

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301 to 310 of 771 Results

plottanhquasidiff.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 720 B - MD5: f83336a8482ca5ae146ec2f8a464ad7e Python script computing and plotting the quasi-derivative of tanh(t), and comparing it to the analytical derivative of tanh(t).
QDDJIAdI1heatmap.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 1.8 KB - MD5: e3fe7f18f719570991385238b48c8e7e Python script to plot the heat map for the mean of DJI daily fractional return between 1 Jan 2003 and 31 Dec 2023, for window sizes between 20 and 250.
QDDJIAdI2heatmap.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 1.8 KB - MD5: 20fbab4bf9ae37458b99aca801b89882 Python script to plot the heat map for the variance of DJI daily fractional return between 1 Jan 2003 and 31 Dec 2023, for window sizes between 20 and 250.
QDDJIA.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 1.8 KB - MD5: 66bbbe92d61610b5ca851b7e79ee8af4 Python script to compute and plot the quasi-derivatives of the mean and variance of the DJI daily fractional return between 1 Jan 2003 and 31 Dec 2023
QDGOOGMSFTxcorrheatmap.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 2.1 KB - MD5: 777269c422a2334d4b14e0e09824ae50 Python script to compute and plot the heat map of the quasi-derivative of the cross correlation between GOOG and MSFT between 2005 and 2023, as well as the integrated quasi-derivative of the cross correlation between GOOG and MSFT over the same time period.
QDlinfunc.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 1.8 KB - MD5: 175ed65a8be3faa22114fbe4ae968666 Python script to compute and plot: (a) f(t) = 2*t + 3, (b) the quasi-derivative of f(t), (c) the adjusted quasi-derivative of f(t), and (d) the adjusted quasi-derivative of f(t) contaminated by Gaussian noise.
QDnoisysgn.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 959 B - MD5: 8d577112236f6ce95e0368439305e421 Python script to compute and plot the quasi-derivative of sgn(t) contaminated by Gaussian noise.
QDnoisytanh.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 798 B - MD5: 1a33896f8f91bace5568776c1f693e0b Python script to compute and plot the quasi-derivative of tanh(t) contaminated by Gaussian noise.
QDnoisyvar.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 1.4 KB - MD5: 6ff1ac29b277581cd5d666ad96f89d83 Python script to compute and plot the quasi-derivative of a time series featuring a sudden switch in variance.
QDtestdyncrosscorr.py Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems Python Source Code - 1.3 KB - MD5: 5c6c6524634b2df2767a70fe670b70c2 Python script to test how well integrated quasi-differentiation can estimate dynamic cross correlations.

plottanhquasidiff.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 720 B -

Python script computing and plotting the quasi-derivative of tanh(t), and comparing it to the analytical derivative of tanh(t).

QDDJIAdI1heatmap.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 1.8 KB -

Python script to plot the heat map for the mean of DJI daily fractional return between 1 Jan 2003 and 31 Dec 2023, for window sizes between 20 and 250.

QDDJIAdI2heatmap.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 1.8 KB -

Python script to plot the heat map for the variance of DJI daily fractional return between 1 Jan 2003 and 31 Dec 2023, for window sizes between 20 and 250.

QDDJIA.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 1.8 KB -

Python script to compute and plot the quasi-derivatives of the mean and variance of the DJI daily fractional return between 1 Jan 2003 and 31 Dec 2023

QDGOOGMSFTxcorrheatmap.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 2.1 KB -

Python script to compute and plot the heat map of the quasi-derivative of the cross correlation between GOOG and MSFT between 2005 and 2023, as well as the integrated quasi-derivative of the cross correlation between GOOG and MSFT over the same time period.

QDlinfunc.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 1.8 KB -

Python script to compute and plot: (a) f(t) = 2*t + 3, (b) the quasi-derivative of f(t), (c) the adjusted quasi-derivative of f(t), and (d) the adjusted quasi-derivative of f(t) contaminated by Gaussian noise.

QDnoisysgn.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 959 B -

Python script to compute and plot the quasi-derivative of sgn(t) contaminated by Gaussian noise.

QDnoisytanh.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 798 B -

Python script to compute and plot the quasi-derivative of tanh(t) contaminated by Gaussian noise.

QDnoisyvar.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 1.4 KB -

Python script to compute and plot the quasi-derivative of a time series featuring a sudden switch in variance.

QDtestdyncrosscorr.py

Sep 23, 2024 - Quasi-Differentiation and Its Applications to Noisy Time Series Data from Complex Systems

Python Source Code - 1.3 KB -

Python script to test how well integrated quasi-differentiation can estimate dynamic cross correlations.

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