Tag Archives: numerical integration

Tanh-Sinh Quadrature V2.0

Posted on 04/04/2011 by dougaj4

I recently received an update of the Tanh-Sinh Quadrature spreadsheet from Graeme Dennes, which can be downloaded from:  Tanh-Sinh Quadrature (including, as usual, full open source code). – Link fixed 5th April 2011 Here is Graeme’s description of the updates: The … Continue reading →

Posted in Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , | 2 Comments

Double Exponential Quadrature

Posted on 07/03/2011 by dougaj4

Graeme Dennes has updated his Tanh-Sinh Quadrature spreadsheet to include Double Exponential Quadrature.  His brief notes are given below, and more details and links to background information are included in the download file. ================================================================= Double Exponential Quadrature UDFs added to Tanh-Sinh Quadrature … Continue reading →

Posted in Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , | 1 Comment

More on the Excel Evaluate function

Posted on 14/12/2010 by dougaj4

Previous posts have presented the Eval() User Defined Function, using the Evaluate function in VBA to evaluate mathematical functions displayed as text (Evaluate Function, Evaluate Function – Update).  It was recently pointed out by Jeff Weir that the Evaluate function has its origins … Continue reading →

Posted in Excel, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , , , | 4 Comments

Tanh-Sinh Quadrature Update 2

Posted on 22/11/2010 by dougaj4

I have copied the latest version of Graeme Dennes’ Tanh-Sinh Quadrature spreadsheet to my download site:  Click here to download Tanh-Sinh.zip As before, the download includes full open-source code, and detailed notes by Graeme. In the new version the Gauss-Kronrod function … Continue reading →

Posted in Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , , , | 4 Comments

Tanh-Sinh Quadrature update

Posted on 20/10/2010 by dougaj4

Graeme Dennes has been continuing work on his Tanh-Sinh Quadrature function, and recently sent me a revised version, which can be downloaded from: Tanh-Sinh.zip The main change is a new automatic tolerance adjustment feature which automatically increases the tolerance for … Continue reading →

Posted in Excel, Maths, Newton, Numerical integration, UDFs, VBA | Tagged , , , , , , , | 9 Comments