< Page:Elementary Principles in Statistical Mechanics (1902).djvu
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76
AVERAGE VALUES IN A CANONICAL
For , this gives
which agrees with (191).
From (215) we have also
we get
and
the equation
reduces to
| (218) |
From (215) we have also
| (219) |
| (220) |
In like manner from the identical equation
| (221) |
| (222) |
| (223) |
With respect to the kinetic energy similar equations will hold for averages taken for any particular configuration, or for the whole ensemble. But since
| (224) |
| (225) |
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