On Sun, Aug 23, 2009 at 1:47 PM, William Stein<wst...@gmail.com> wrote: > > Hi, > > One nuisance in mathematics is the "ln(x)" notation for natural > logarithms by students up to a certain age, followed by the "log(x)" > notation used for exactly the same thing after a certain age. So > I've always taken great pride that in Sage (and most other math > software), "log" is the right grown up thing. So imagine how annoyed
I just checked all my books lying on my table *at the moment* (which means I either use them right now, or used them in the past couple months the most frequently): * Quantum theory of many-particle systems by Fetter, Alexander L. * Chemical Kinetics And Dynamics by J. Steinfeld * Applied Mathematics by Logan * Calculus by Steward and all use "ln(x)". That was a surprise to me too, since except the last one, all are graduate texts, e.g. definitely "after the certain age". I use log(x) in my own notes though. I prefer to just use one notation for all physics. One thing is that I am not sure how to write integrals, e.g. most quantum mechanics/field theory texts use int <something> d^4 x, to denote integration in 4D. But let's say for finite element formulation of something, I want to specify a surface integral, so I sometimes use dS instead of d^2x or something. It's inconsistent though. Ondrej --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
