An information processing device includes; a memory; and a processor coupled to the memory and configured to: optimize performance of a mixture of a plurality of substances; in an energy function formula for weighting each of a plurality of physical properties in the mixture and performing a calculation to optimize the performance of the mixture, collectively incorporate a plurality of the physical properties that has a relationship correlated with one characteristic among the plurality of the physical properties into the energy function formula as the one characteristic; and simplify the energy function formula.
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