Dynamic programming multisatge recurrence relation
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To solve a problem by using dynamic programming. Find out the recurrence relations. Represent the problem by amultistage graph. Recursion is sometimes called “backward chaining”: start with the goal you want choosing your sub goals on an as-needed basis.
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A multistage graph G=(V,E) is a directed graph in which the vertices are partitioned into k>=2 disjoint sets Vi, 1<=i<=k. ... A dynamic programming formulation for a k-stage graph problem is obtained by first noticing that every s to t path is the result of a sequence of k-2 decisions.
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