Modified Zagreb Index Calculator

inverse-square degree sum

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About Modified Zagreb Index Calculator

A modified first Zagreb index calculator computing ⁰M₁(G) = Σ 1/d(v)². Nikolić-Kovačević-Miličević-Trinajstić (2003). Inverse-square degree sum. ⁰M₁ emphasizes low-degree vertices. Better QSAR for some molecular properties. Client-side.

Modified Zagreb Index Calculator Features

  • ⁰M₁(G)
  • Σ1/d²
  • Inverse
  • Nikolić '03
  • Common graphs
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