Least Square Approximation C++ program to compose the least square approximation for a given data set. It generates an image with GNUPlot. List of 10 points that were tested: -9 -7 -3 -1 0 3 5 7 13 15 -3 -1 0 3 5 7 11 14 16 19 Obtained graph generated by GNUPlot:
