Matrex
Details
| Last Update: | 2008-02-05 23:01:21 |
| Version: | 1.2 |
| License/Program Type: | GPL (GNU General Public License) |
| Publisher: | Andrea Ferrandi |
| Price: | $0.00 |
Description:
Matrex is a graphical tool to show, organize and calculate big
amounts of data.
Matrex is the perfect tool for mathematical models and for
other statistical, engineering, physical, and generally scientific
calculations.
Matrex is based on matrices, which are meant as square grids of
numbers, texts, dates or booleans.
Matrex matrices can be real matrices, vectors or simple
values.
Matrex uses also:
- functions to transform matrices to other matrices.
- presentations to show multiple matrices together in a
spreadheet-like way.
- charts to show matrices graphically.
Advantages: simplicity, performance, multithreading,
readability, easy projects sharing; and the feeling you have
everything under control.
Matrex uses the following products:
- SWT for the graphical user interface
- JFreeChart for the 2D charts
- FreeHep for the 3D charts
- Jython as embedded scripting language
- Apache Commons Math to calculate pure matrices functions and
statistical functions
- IzPack to install Matrex.
Requirements:
· Java 5
· SWT 3.1
What's New in This Release:
The big step forward of this version is the new ISQL
module.
The ISQL module is a function template to apply SQL queries to
vectors in a Matrex project.
It is therefore possible:
· to apply filters on parts of the vectors
· to order the elements of the vectors
· to aggregate them
all with simple SQL queries. The internalsql document contained
in the distributions explains how.
As far as I know, no other spreadsheet application allows
something similar.
Other enhancements are:
· Print matrices and presentations.
· Export matrices and presentations to csv and xls.
· Import data from database, using an SQL query.
· Menus to remove multiple items, duplicate matrices and
functions, add function from a matrix (the function will have the
matrix as first argument).
· A summary step for the expression parser.
· Possibility to change the colors of the windows
headers.
Also, several bugs have been removed (dates formatting, items
renaming, boolean matrices editing).
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