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Equation 3 · Part 2 · Comparing the Main Approaches to Materials Discovery and Degradation

Symbol N_synthesized and confirmed

hvalidated=Nsynthesized and confirmedNcandidates proposedh_{\text{validated}} = \frac{N_{\text{synthesized and confirmed}}}{N_{\text{candidates proposed}}}
Nsynthesized and confirmedN_{\text{synthesized and confirmed}}

What this part means

NsN_synthesized and confirmed occurs above the fraction bar. The numerator is divided by the entire denominator below it.

Its job in the formula

NsN_synthesized and confirmed occurs above the fraction bar. The numerator is divided by the entire denominator below it.

The passage around this formula

For ML-guided autonomous labs, validated hit rate is the number under direct dispute. A-Lab reports roughly 70 percent of its 58 attempted targets synthesized as intended over its reported run [ 3 ] . GNoME’s own 380,000-structure “stable” count is a computational classification, not an experimental validation count, and the critique from Cheetham and Seshadri argues that an unknown but material fraction of that computational count would not survive independent scrutiny for novelty or synthesizability even before anyone attempts to make them [ 5 ] . Reporting on duplicate structures across high-throughput databases generally reinforces that caution without pinning down a single…

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