world object, feature or condition. Fidelity is therefore a measure of the realism of a model or simulation. Simulation fidelity has also been described in the past as "degree of similarity". In quantum mechanics and optics, the fidelity of a field is calculated as an overlap integral of the field of interest with a reference or target field.

Program evaluation

In the field of program evaluation, the term fidelity denotes how closely a set

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