First Zagreb Coindex Calculator

complement degree sum

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About First Zagreb Coindex Calculator

A first Zagreb coindex calculator computing M̄₁(G) = Σ_{i≁j} (d(i)+d(j)). Došlić (2008). Sum of degree sums over non-edges (complement pairs). M̄₁ = 2m(n-1) - M₁. Elegant complement of first Zagreb. Client-side.

First Zagreb Coindex Calculator Features

  • M̄₁(G)
  • Non-edges
  • M̄₁+M₁
  • Complement
  • Common graphs
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