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Equation 5 · Part 1 · Seventy-Five Thousand Generations of E. coli, and Counting

Symbol β

β\beta
β\beta

What this part means

β is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

β is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

for an exponent β\beta between 0 and 1, which keeps rising — more and more slowly, but without any asymptote — for every value of t . Wiser and colleagues derived the second form theoretically from a model combining clonal interference with diminishing-returns epistasis among beneficial mutations, and reported that…

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A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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Sources cited in the surrounding passage

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