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1. Introduction

kpl is a program for two-dimensional graphical presentation of data sets and functions. Nonlinear parameter fits of functions to data sets can be performed using the Levenberg-Marquardt algorithm.

All settings necessary for a complete description of the presentation can be saved in plot files. These files as well as data files may be chosen by command line parameters, using the File menu, or by drag and drop.

Automatic scaling and normalization allow the easy graphical presentation of data. Also parameter fits can be performed automatically.

The settings of a presentation may be changed using the Edit menu. Here also additional data sets and functions can be included which can be displayed in the same as well as in different data windows.

1.1 Changes

Version 0.2 (July 29, 1999)

• Needs KDE 1.1
• Powered by KDevelop
• Nonlinear parameter fit
• Positions of menu bar and toolbar saved in configuration file
• Popup menus with icons
• Statusbar includes short help
• Close item in File menu
• Open Recent item in File menu
• (De)activation of unsaved changes warning
• Menu and toolbar items for magnification increasing/decreasing
• Configure Key Bindings item in Options menu
• Context menu
• Improved painting by use of pixmap buffer
• Function parameters may be saved separately in ASCII files
• Function values may be exported in ASCII files
• Optional display of function source in parameter dialogs
• Optional calculation of bounding box for PostScript files (using Ghostscript)
• MimeType for kpl plot files

Version 0.1 (April 13, 1999, first release)

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