Nelson Files

1.13.0 - (2025-03-29)

This release introduces performance improvements and new graphical capabilities while deprecating support for 32-bit Windows versions.

Changed

• Windows x64 Compatibility: Now requires the AVX2 instruction set.
• Windows 32-bit Support: Official distribution of 32-bit Windows binary versions has been discontinued.
• macOS Optimization: Builds for macOS with M-series chips now leverage native optimizations for improved performance.
• Plot Performance: Optimized plot and plot3 functions for increased speed. Example: matlab tic(); plot(rand(300,300), rand(300,300)); toc();
• Dependencies Updated:
• Upgraded fmtlib to version 11.1.3.
• Intel Math Kernel Library (MKL) updated to 2025.0.1 on Windows.

• Internal Enhancements:

• OpenMP multithreading macros have been reworked for better efficiency.

• SLICOT module incorporates SLICOT library 5.9, which is distributed under the BSD-3-Clause license.

• SLICOT module available on all platforms by default.

• python 3.13.2 embedded on Windows

Added

• Double Buffering for Plots:

• Implemented double buffering to enhance the smoothness and responsiveness of graphical plots.

• Significantly reduces flickering during graphical updates.

• New Graphics Functions:

• getframe: Captures an axes or figure as a movie frame.

• movie: Plays recorded movie frames.
• im2frame: Converts an image to a movie frame.
• frame2im: Returns image data associated with a movie frame.

• DevicePixelRatio: New figure property to handle display scaling.

• Graphics IO module:

• imwrite: create gif animations.

• imwrite, imread: pcx, tiff file formats managed.

• imformats: Manage image file format registry.

• New Example:

• Added an example for connecting ollama with Nelson: matlab edit([modulepath('webtools'), '/examples/ollama/readme.md'])

• CMake Enhancement:

• Introduced ENABLE_AVX2 CMake option for systems that support AVX2.

• CMake dependencies reworked.

Fixed

• MacOs: Default terminal did not use monospaced font.

• Some warnings detected with PVS-studio