Question: Why might you consider using a specialized algorithm (such as Dijkstra's algorithm) to solve a shortest path problem instead of using a linear programming solver?

Why might you consider using a specialized algorithm (such as Dijkstra's algorithm) to solve a shortest path problem instead of using a linear programming solver?

The linear programming formulation is numerically unstable

The linear programming formulation is unbounded

The linear programming formulation is incorrect

Specialized algorithms may run faster or be capable of handling larger instances

What assumption is needed to employ Dijkstra's algorithm to solve a shortest path problem?

All arc lengths are integers.

There are no cycles in the network.

All arc lengths are nonnegative.

The sum of the bi-values is zero

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