x ◦ y = y ◦ x? [Design Issues]

posted by Helmut Homepage – Vienna, Austria, 2019-12-16 11:00 2a02:8388:6bc2:ce80:6c4e:e4df:42f4:6510 – Posting: # 20979
Views: 712

Hi ElMaestro,

» while it is hard to disagree with the complex math behind "1×2 ≠ 2×1", …

The [image] commutative law \(x\circ y=y\circ x\) holds only on the premise of strict linear pharmacokinetics.

» … this is nevertheless how some drugs are approved when originators shift from twice daily to once daily dosing, …

Sure, why not? As usual, know your drug and know your formulation. ;-)

Cheers,
Helmut Schütz
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