Fit 1D and 2D gaussian to noisy data

Example routines for fitting 1D & 2D Gaussian curves to noisy data.

Two example scripts are presented. The first program generates a 1D Gaussian from noisy data by two different strategies. First, using a semi-analytical method and secondly by using Matlab's "lsqcurvefit" function. Both results can be compared. The second program attempts to generate a 2D Gaussian from noisy data. This script is a re-formulation of the original idea by G. Nootz as the code is now more transparent and shorter.