ATAN lut generator

atanlut.m

% ATAN lut-generator for Mesa3D
% Based on polyfitc, http://www.mathworks.com/matlabcentral/fileexchange/47851-constraint-polynomial-fit

X = linspace(0, 1);
Y = atan(X)';
N = [1, 3, 5, 7, 9, 11];
lsqM = ones(numel(X), numel(N));
for n = 1:numel(N)
	lsqM(:, n) = X.^N(n);
end
P = lsqM \ Y;

format long;
disp(P);