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logarithmic derivative

noun

Definitions

  1. Given a real or complex function f, the ratio of the value of the derivative to the value…

    Given a real or complex function f, the ratio of the value of the derivative to the value of the function, (f')/f, regarded as a function.

    • In economics, it is popular to consider the logarithmic derivative (#92;ln#92;varphi(t))'#61;#92;varphi'(t)#47;#92;varphi(t), as a convenient growth measure.
    • In this section we consider the R-matrix method in which a solution is first found in an inner region 0 ≤ r ≤ a by expanding in a basis set yielding the logarithmic derivative of the wave function on the boundary r = a.

The neighborhood

Vish — recursive loop

No curated loop yet for logarithmic derivative. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA