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CTaylor

A C++ library to calculate higher order derivatives for one or more independent.

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Last Week downloads: 0
Total downloads: 129
  • Last Updated: Jan 13, 2013
  • License: Freeware Free
  • OS: Windows 7/Vista/XP
  • Requirements: No special requirements

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4 out of 5 based on 1 ratings for CTaylor

For CTaylor Publisher's description

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CTaylor is a Development software developed by ExcessPhase. After our trial and test, the software is proved to be official, secure and free. Here is the official description for CTaylor:

BS Editor: This is a Library to calculate with truncated taylor series (instead of double values). It was inspired by Ulf Ekstrӧm’s libtaylor but has been extended to automatically grow the order of involved derivatives. One simply creates an independent variable by passing an enumeration and the maximum order of derivative one wants to calculate. Such an independent variable only carries the value and the first derivative value (1). This library is using meta programming (using the Boost::mpl library) to create different types matching the different number of independent variables involved and different order. Certain nonlinear operations increase the order of the involved derivatives. E.g. multiplying two different independent variables (e.g. x and y) with each other will result in a value containing derivatives vs. d/dx and d/dy and d^2/dx/dy. The library does not store derivatives but polynomial coefficients, which differ from derivatives by faculty values.

I’m only going to sell this software, except for educational or research purposes. Simply drop me an email.

For evaluation you are free to send me some source code, which I’ll compile and send the result back. Here is an example piece of source code and here is the resulting executable (for windows 64). The executable needs some command line parameters (this is not checked for and you will get a crash if they are not provided):

.\cder 3 1e-6 4 1e-6 5 1e-6 16384

This will give the following output:

1:2:1: = 227058, 1:2: = -205341, 2:2: = 16983, 1:1:2: = -43480.7, 1:1:1: = 68352.4, 2:1:1: = -5652.75, 3:1: = 2902.46, 1:1: = 17422.9, 2:1: = -10662.1, 1:0:2: = -5446.79, 2:0:2: = 322.691, 3:0:1: = -483.084, 1:0:1: = -2900.09, 2:0:1: = 1774.62, 1:0:3: = 3016.72, 1:3: = -454722, 4: = 29.1334, 2: = -531.299, 1: = 5099.3, = 141734, 3: = -11.2339, 0:3: = -1.70336e+006, 0:3:1: = 2.9838e+006, 0:0:3: = 6206.25, 0:0:1: = -23393.4, 0:0:2: = 10542.2, 0:0:4: = -5154.73, 0:1:3: = 105264, 0:1: = 140554, 0:1:1: = -103281, 0:1:2: = -1
you can free download CTaylor now.

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