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Re: Same .m file: different results with different versions of Octave
From: |
Thomas D. Dean |
Subject: |
Re: Same .m file: different results with different versions of Octave |
Date: |
Mon, 19 Apr 2010 12:41:32 -0700 |
On Mon, 2010-04-19 at 12:00 -0700, Søren Hauberg wrote:
> which just doesn't make sense to me. In the specific case where the
> infinite numbers came from 'sinh' and 'cosh' it might make mathematical
> sense, but in the general setting I don't see how the above equation
> could ever hold.
My claim is:
limit(tanh(n*(1+i)),n=infinity) == 1
Note that
limit(sinh(n*(1+i)),n=infinity) == exp(i)*infinity
limit(cosh(n*(1+i)),n=infinity) == exp(i)*infinity
limit(sinh(n*(1+i)) - cosh(n*(1+i)), n = x) is -exp(-x)/(exp(i)^x)
which rapidly goes toward 0+0i.
But, this is not the point. tanh is the problem I was discussing.
- Re: Same .m file: different results with different versions of Octave, (continued)
- Re: Same .m file: different results with different versions of Octave, Jaroslav Hajek, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Judd Storrs, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Judd Storrs, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Jaroslav Hajek, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Judd Storrs, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Judd Storrs, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Thomas D. Dean, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Søren Hauberg, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Thomas D. Dean, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Søren Hauberg, 2010/04/19
- Re: Same .m file: different results with different versions of Octave,
Thomas D. Dean <=
- Re: Same .m file: different results with different versions of Octave, Søren Hauberg, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Thomas D. Dean, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Thomas D. Dean, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Thomas D. Dean, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Judd Storrs, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Judd Storrs, 2010/04/19
- Re: Same .m file: different results with different versions of Octave, Jaroslav Hajek, 2010/04/20
- Re: Same .m file: different results with different versions of Octave, Judd Storrs, 2010/04/20
- Re: Same .m file: different results with different versions of Octave, Jaroslav Hajek, 2010/04/20
- Re: Same .m file: different results with different versions of Octave, Judd Storrs, 2010/04/20