What's new in Multi Expression Programming X 2024.4.14 Beta

Apr 14, 2024
  • New MEPX release.
  • Fix bug in VBA generated code for FMOD. Major code refactoring.

New in Multi Expression Programming X 2024.4.6 Beta (Apr 6, 2024)

  • A GitHub repository containing binaries for MEPX has been renamed to https://github.com/mepx/mepx. Here the source code for MEPX will be published in the near future.

New in Multi Expression Programming X 2024.3.31 Beta (Apr 1, 2024)

  • New libmep major release.

New in Multi Expression Programming X 2023.4.3.0 Beta (Apr 3, 2023)

  • Improvement in selecting rows to ignore when loading data.

New in Multi Expression Programming X 2023.3.18.0 Beta (Mar 20, 2023)

  • New MEPX release. Rows can be ignored when loading data from files (or when pasting from Clipboard).

New in Multi Expression Programming X 2023.3.5.0 Beta (Mar 6, 2023)

  • New MEPX release. Then number of effective instructions is displayed in the Runs (Errors) table.

New in Multi Expression Programming X 2023.2.16.1 Beta (Feb 24, 2023)

  • New video showing how to discover, from data, the formulas for Josephus sequence which is a multivariate time-series.

New in Multi Expression Programming X 2022.11.4.2 Beta (Nov 5, 2022)

  • New MEPX release. User interface improvements. Evolution chart can shows the Validation error and can hide/show Average and Validation errors.

New in Multi Expression Programming X 2022.10.18.0 Beta (Oct 18, 2022)

  • User interface improvements.

New in Multi Expression Programming X 2022.10.1.0 Beta (Oct 2, 2022)

  • New MEPX release. Random number generator replaced. Bug fixes.

New in Multi Expression Programming X 2022.9.27.0 Beta (Sep 29, 2022)

  • New MEPX release. Can export formulas into Latex. Bugs fixes.

New in Multi Expression Programming X 2022.9.26.0 Beta (Sep 27, 2022)

  • New MEPX release. Bugs fixes.

New in Multi Expression Programming X 2022.8.21.0 Beta (Aug 22, 2022)

  • New MEPX release. Integer data type for symbolic regression and time series. Bug fixes.

New in Multi Expression Programming X 2022.7.19.0 Beta (Jul 20, 2022)

  • The target column for classification problems can contain any integer value. Previously, values were continuous integers starting with 0. Bug fixes.

New in Multi Expression Programming X 2022.3.19.0 Beta (Mar 21, 2022)

  • Infix form for mathematical expressions.
  • Constants inserted directly into final code.
  • Bugs fixed in VBA code

New in Multi Expression Programming X 2022.3.16.0 Beta (Mar 16, 2022)

  • A technical report describing classification strategies for MEP has been uploaded

New in Multi Expression Programming X 2022.2.25.0 Beta (Feb 25, 2022)

  • New MEPX release. Button for exporting all data. Bug fixed.

New in Multi Expression Programming X 2022.2.24.0 Beta (Feb 24, 2022)

  • New MEPX release. Bug fixed.

New in Multi Expression Programming X 2022.2.17.0 Beta (Feb 18, 2022)

  • Programs generated by MEPX can be exported in Python too.

New in Multi Expression Programming X 2022.2.13.0 Beta (Feb 13, 2022)

  • New MEPX release. Grids for displaying data have been replaced with List Views. Minor fixes.

New in Multi Expression Programming X 2022.01.13.1 - beta (Jan 19, 2022)

  • New MEPX release. Bug fixed.

New in Multi Expression Programming X 2016.08.29.0 - beta (Sep 7, 2016)

  • New MEPX release. Bug fixing. More exact function for counting the running time. New random number generator.

New in Multi Expression Programming X 2016.08.09 (Sep 7, 2016)

  • New MEPX release. Bug fixing.

New in Multi Expression Programming X 2016.07.17 (Sep 7, 2016)

  • List of papers updated.

New in Multi Expression Programming X 2016.05.24 (Sep 7, 2016)

  • New MEP source code for solving even-parity problems with Automatically Defined Functions. Can be downloaded from https://github.com/mepx/mep-basic-src.

New in Multi Expression Programming X 2016.04.27 (Sep 7, 2016)

  • New MEPX release. There is a checkbox on the Training data tab which displays or inhibits the display of grids data (training, validation and test). I have chose not to display the data because filling a grid with data takes a lot of time. So, if you have many data or a large project, I suggest to uncheck this box before loading them. Several bugs have been fixed.

New in Multi Expression Programming X 2016.04.25 (Sep 7, 2016)

  • Several strategies for multi-class classification have been tested.
  • However, none of them could compete with what we have so far implemented in MEPX or libmep.

New in Multi Expression Programming X 2016.04.06 (Sep 7, 2016)

  • New MEPX release. Bug fix in the display of Target column.

New in Multi Expression Programming X 2016.04.05 (Sep 7, 2016)

  • New MEPX release. Statistics for runs and errors can now copied directly to Clipboard. This is very useful for performing Copy-Paste to Excel or related programs.

New in Multi Expression Programming X 2016.04.03 (Sep 7, 2016)

  • New MEPX release. Added Mean Squared Error for fitness computation in the case of regression problems. Previously was only Mean Absolute Error. In the case of classification problems the error is now multiplied by 100 in order to show the percentage.

New in Multi Expression Programming X 2016.04.02 (Sep 7, 2016)

  • List of papers updated.