Numerical Realization of Graphical Matrices

In order to use graphical matrices, we need to replace subgraphs with the invariants of choice. To exemplify this, we employ three graph invariants often used in the structure-property-activity modeling the Randit connectivity index (RandiC, 

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Janezic, D., Lucic, B., Mdicevic, A., Nikolic, J., Trinajstic, N. and Vukicevic, D. (2007) Hosoya matrices as the numerical realization of graphical matrices and derived structural descriptors. Croat. Chem. Acta, 80, 271—276. 

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