Category Archives: VBA

Polynomial Update

Posted on 30/10/2012 by dougaj4

Following a comment here: Solving cubic and quartic equations with Excel the Quartic and CubicC User Defined Functions (UDFs) have been amended to fix a problem occurring with some combinations of coefficients. The updated spreadsheet (including full open source code) can be … Continue reading →

Posted in Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , , , | 12 Comments

Mohr’s Circle and Plate Stresses and Actions

Posted on 27/10/2012 by dougaj4

The functions described in this post can be found in the download file PlateStress.zip, including examples and full open source code. The function MCircle returns the plane stress components (XX, YY and XY stress) for any specified stress field, when rotated through a … Continue reading →

Posted in Arrays, Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton, Strand7, UDFs, VBA | Tagged , , , , , , | 1 Comment

Daily Download 33: Miscellaneous

Posted on 21/10/2012 by dougaj4

This is the last of the month and a bit of Daily Downloads, and consists of a bumper bundle of 20 spreadsheets with miscellaneous functions that didn’t fit in elsewhere: Repeating a set of data: for instance making three copies of … Continue reading →

Posted in Arrays, Computing - general, Excel, UDFs, VBA | Tagged , , , , , , , , , | Leave a comment

Daily Download 32: Text functions

Posted on 20/10/2012 by dougaj4

Today’s daily download covers functions to import data from text files into Excel quickly and efficiently, a function to combine text strings, with improved functionality over the built-in Concatenate function, and functions to extract numbers from the beginning or end … Continue reading →

Posted in Excel, UDFs, VBA | Tagged , , , , , , | 1 Comment

Daily Download 31: Linking to Fortran

Posted on 18/10/2012 by dougaj4

Several routines linking to Fortran dll files, produced with the Silverfrost Fortran compiler, have been provided in previous daily downloads.  Today’s files are example routines, provided with posts covering the procedures to link Excel to Fortran code.  Note that these files … Continue reading →

Posted in Computing - general, Excel, Fortran, Link to dll, UDFs, VBA | Tagged , , , , , | Leave a comment