generate_latex_histogram.m

function generate_latex_histogram(file_name, nmin_size, n, ind)
% nmin_size			decide what to vary either 'nmin' or 'size'
% n					value of the quantities that do not vary
% ind				index in the table of n (if 'nmin' is the row index in the table, if is 'size' it indicates the 1st,2nd or 3rd group of 4 columns)	
	data = load(strcat('../Results/', file_name, '.dat'));
	if strcmp(nmin_size, 'nmin')
		fileID = fopen(strcat('../Results/', file_name,'n=', num2str(n), '.txt'), 'w');
		for j = 1:4
			fprintf(fileID, '\\addplot coordinates {($n_{\\min}=256$,%.2f) ($n_{\\min}=512$,%.2f) ($n_{\\min}=1024$,%.2f) };\n', data(ind, [j,j+4,j+8]));
		end		
	else
		fileID = fopen(strcat('../Results/', file_name,'nmin=', num2str(n), '.txt'), 'w');
		for j = (ind-1)*4+1:ind*4
			fprintf(fileID, '\\addplot coordinates {($n=2048$,%.2f) ($n=4096$,%.2f) ($n=8192$,%.2f) };\n', data(end-2:end, j));
		end
	end	
	fclose(fileID);
end