Hello:
I have entered data into two lists in Mathematica:
centroidEnergy = {1.3485, 1.4780,
1.6176, 1.7820, 1.9123, 2.0274, 2.1635, 2.3163, 2.4213, 2.5191, 2.6515, \
2.7490, 2.8763, 2.9894, 3.0728, 3.1949, 3.2816, 3.3923, 3.4773, 3.5884, \
3.6804, 3.7702, 3.8374, 3.9679, 4.0507...