Logarithm : [Logarithme]






Jean-François COLONNA

www.lactamme.polytechnique.fr

jean-francois.colonna@polytechnique.edu
CMAP (Centre de Mathématiques APpliquées) UMR CNRS 7641, Ecole Polytechnique, CNRS, 91128 Palaiseau Cedex, France

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y = ax   <==>   x = loga(y)

y = ex   <==>   x = log(y) 








f(xy) = f(x)+f(y)   ==>   f = log



dlog(x)/dx = 1/x




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Copyright © CMAP (Centre de Mathématiques APpliquées) UMR CNRS 7641 / Ecole Polytechnique, 2020-2020.