Is there a mathematical way to make the perfect cup of coffee?

The SCA (Specialty Coffee Association) Golden Cup Standard
 Coffee shall exhibit a brew strength, measured in Total Dissolved Solids, of 11.5 to 13.5 grams per litre, corresponding to 1.15 to 1.35 “percent” on the SCA Brewing Control Chart, resulting from a solubles extraction yield of 18 to 22 percent.

SCA Brewing Control Chart