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updated 1 month ago

dir_crawler.m by Stephan Koehler

crawls through a directory tree and returns sub-directories and files with ability to search by name (directories, search, files)

dir_crawler(varargin)

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updated 12 months ago

running average and standard deviation of vectors by Stephan Koehler

computes the running average and standard deviation of vectors or matrices for a given window size. (mean, standard deviation, running average)

running_mean_std( varargin )

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updated 12 months ago

TA_txt2MAT by Stephan Koehler

converts text datafile from TA rheometer to a .mat datafile. (data conversion, rheology, ta instruments)

TA_txt2MAT.m

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updated 1 year ago

Error Propagation by Stephan Koehler

Numerically calculates uncertainties of a function using random numbers to simulate function inputs (error analysis, error propagation)

error_propagation( varargin )

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updated 1 year ago

binning a point cloud, 3D scattered data, in the X-Y plane by Stephan Koehler

Take a set of XYZ points, and returns average Z values for corresponding bins in X & Y planes. (image processing, signal processing, statistics)

binXYZonXY( x_bin_edges, y_bin_edges, x, y, z, flag4std, ...

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updated 1 year ago

modified cumsum for partial accumulated sums by Stephan Koehler

Determine the accumulated sum of series of non-zero values of vectors, resetting at zero entries (mathematics, physics, matrix)

cumsum_restart0( varargin )

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updated 2 years ago

fitting sum of two decaying exponentials (over damped oscillator) by Stephan Koehler

five-parameter fit to the equation A*exp(-t/T1) + B*exp( -t/T2 ) + offset (fit, overdamped oscillator)

fit_overdamping( varargin )

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updated 2 years ago

fitting critically damped simple harmonic oscillator by Stephan Koehler

Four-parameter fit to the equation A*(1 + t/T2).*exp(-t/T1) + offset (fitting, harmonic oscillator)

fit_critical_damping( varargin )

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updated 2 years ago

fitting decaying oscillations by Stephan Koehler

From inputs t, y the best fit to the decaying oscillation is determined. (signal processing, fitting)

fit_decay_oscillations( varargin )

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updated 2 years ago

plotting a .xls spreadsheet by Stephan Koehler

Convenience function for plotting spreadsheets specifying several variables and also conditions (data import, plot, xlsread)

xlsplot( varargin )

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updated 2 years ago

plotting contents of a csv spreadsheet by Stephan Koehler

convenience function for plotting columns of a spreadsheet (data import, plotting)

csvplot( varargin )

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updated almost 3 years ago

tsvread: importing tab-separated data by Stephan Koehler

Similar to csvread, but has a lot more user-friendly options and can deal with non-numeric data. (csvread, spreadsheet, tsvread)

tsvread( varargin )

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updated 4 years ago

new_dir.m by Stephan Koehler

This is an enhancement to MATLAB's dir function, for dealing with sequentially numbered files. (file management, data management)

new_dir( varargin )

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