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Tally can certainly count the occurrances of eigenvalues in your list called vals. For instance Tally[vals] tells me that there are 2 instances of $10 \pi^{2}$ and 2 instance of $5 \pi^{2}$.

Looking at Tally in the documentation I see that the word "multiplicities" means the number of instances of each distinct element in a list.

I notice that your code is producing a different vals in my notebook! Please quit your kernel and re-evaluate!

Also Wolfram mentions this in his documentation.

Tally can certainly count the occurrances of eigenvalues in your list called vals. For instance Tally[vals] tells me that there are $2$ instances of $10 \pi^{2}$ and $2$ instance of $5 \pi^{2}$.

Looking at Tally in the documentation I see that the word "multiplicities" means the number of instances of each distinct element in a list.

I notice that your code is producing a different vals in my notebook! Please quit your kernel and re-evaluate!

Also Wolfram mentions this in his documentation.

Tally can certainly count the occurrances of eigenvalues in your list called vals. For instance Tally[vals] tells me that there are 2 instances of $10 \pi^{2}$ and 1 instance of $5 \pi^{2}$.

Looking at Tally in the documentation I see that the word "multiplicities" means the number of instances of each distinct element in a list.

I notice that your code is producing a different vals in my notebook! Please quit your kernel and re-evaluate!

Also Wolfram mentions this in his documentation.

Tally can certainly count the occurrances of eigenvalues in your list called vals. For instance Tally[vals] tells me that there are 2 instances of $10 \pi^{2}$ and 2 instance of $5 \pi^{2}$.

Looking at Tally in the documentation I see that the word "multiplicities" means the number of instances of each distinct element in a list.

I notice that your code is producing a different vals in my notebook! Please quit your kernel and re-evaluate!

Also Wolfram mentions this in his documentation.

Tally can certainly count the occurrances of eigenvalues in your list called vals. For instance Tally[vals] tells me that there are 2 instances of $10 \pi^{2}$ and 1 instance of $5 \pi^{2}$.

Looking at Tally in the documentation I see that the word "multiplicities" means the number of instances of each distinct element in a list.

I notice that your code is producing a different vals in my notebook! Please quit your kernel and re-evaluate!

Tally can certainly count the occurrances of eigenvalues in your list called vals. For instance Tally[vals] tells me that there are 2 instances of $10 \pi^{2}$ and 1 instance of $5 \pi^{2}$.

Looking at Tally in the documentation I see that the word "multiplicities" means the number of instances of each distinct element in a list.

I notice that your code is producing a different vals in my notebook! Please quit your kernel and re-evaluate!

Also Wolfram mentions this in his documentation.