1.5.1

• New: Neighborhood function can be chosen between Gaussian and bubble.
• Fixed: R wrapper passes arrays with correct orientation.
• Fixed: io.cpp is no longer required in the wrappers. An exception is thrown when needed.

1.5

• New: Python interface has visual capabilities.
• New: Option for hexagonal grid.
• New: Option for requesting compact support in updating the map.
• New: Python, R, and MATLAB interfaces now allow passing an initial codebook.
• Changed: Reduced memory use in calculating U-matrices.
• Changed: Build system rebuilt and simplified.

1.4.1

• Better support for ICC.
• Faster code when compiling with GCC.
• Building instructions and documentation improved.
• Bug fixes: portability for R, using native R random number generator.