I suppose he needs a more general flexibility to memoize based on more complicated input ("Level"?) Thats why I didn't mention Memoize

For those interested see Viterbi Algorithm and Algorithm-Viterbi

Cheers Rolf

In reply to Re^3: how can i hold temporary values in a recursive function by LanX
in thread how can i hold temporary values in a recursive function by siskos1

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