Energy eigenvalues of the finite square well, in units of hbar^2/(mw), where w is the width of the well. The depth of the well is given by V (defined to be positive):



Even eigenfunctions are roots of:
![-(sqrt(E-V)*tan([sqrt(E-V)]))+sqrt(-E)](formula6.png)
Odd eigenfunctions are roots of:
![sqrt(E-V)*cot([sqrt(E-V)])+sqrt(-E)](formula8.png)
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