function jconv(data, label)
[numTrain, numPixel] = size(data);

s = ['mnist_' num2str(label) '.trainingStates.dat']
fid = fopen(s, 'w');
fprintf(fid, '%d\n', numTrain);

for m=1:numTrain,
	jwrite(fid, data(m,:));
end


fclose(fid);