f

#### Re: Re: Output display of exponential function in Mathematica #3

```To get the 'double struck small e' type esc e e esc, or click it off the
palette. In any case, it is not the Latin small case e.

David Park

From: New Guy [mailto:NewGuy@yahoo.com]

On Fri, 2 Dec 2005 11:05:41 +0000 (UTC), Jean-Marc Gulliet
<jeanmarc.gulliet@gmail.com> wrote:

>Now, the base of the natural logarithm is written E (capital e).

Beg to differ here.  The BasicInput.nb palette uses the small 'e' that
is kind of double-struck.

``` 0 12/5/2005 8:43:58 AM comp.soft-sys.math.mathematica  28821 articles. 0 followers. 0 Replies 815 Views Similar Articles

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Re: Re: Output display of exponential function in Mathematica
Log[1/E^.5] -0.5 Log[1/E^-.5] � .5 True Refine[1/E^x, 0<x<1] E^-x Or if you need to, Refine[Log[1/E^x], 0<x<1] -x Kris -------------- Original message -------------- > On Sun, 27 Nov 2005 08:24:53 +0000 (UTC), Bob Hanlon > wrote: > > >The output that you want is "unstable", i.e., Mathematica automatically > >converts it. > > > > Thanks. > > I have another question if you don't mind. > > I'm trying to just check and see if I got a whole bunch of > even-numbered study exercises r...

Re: Output display of exponential function in Mathematica #3
On 12/4/05 at 5:57 AM, NewGuy@yahoo.com (New Guy) wrote: >On Fri, 2 Dec 2005 11:05:41 +0000 (UTC), Jean-Marc Gulliet ><jeanmarc.gulliet@gmail.com> wrote: >>Now, the base of the natural logarithm is written E (capital e). >Beg to differ here. The BasicInput.nb palette uses the small 'e' >that is kind of double-struck. The BasicInput palette displays the constants Pi and E in TraditionalForm. If you type E//TraditionalForm into an empty cell, the corresponding output cell will be the same character you get after clicking the entry button on the BasicInput pallete. The point is, to enter the constant E from the keyboard, you enter it as a capital E. -- To reply via email subtract one hundred and four ...

Re: Output display of exponential function in Mathematica
The output that you want is "unstable", i.e., Mathematica automatically converts it. 25*5^h 5^(h + 2) You will have to force the form sr=n_Integer^(m_Integer+x_):>HoldForm[Evaluate[n^m]]*n^x; 5^(2+h)/.sr 5^h*HoldForm ReleaseHold[%] 5^(h + 2) expr=5^(7x/2)-5^(x^2); Sqrt[5^x]*Simplify[expr/Sqrt[5^x], Element[x, Reals]] Sqrt[5^x]*(-5^(x^2 - x/2) + 125^x) Bob Hanlon > > From: Bookreader <Bookreader127@yahoo.com> > Date: 2005/11/26 Sat AM 02:47:04 EST > Subject: Output display of exponential function in Mathemat...

Re: Re: Re: Mathematica language issues #2
So far I could resist the temptation to participate in this discussion. However, in his mail Maxim Rytin presents some examples of which he thinks the result is unpredictable. Maybe there is some interest in how I predict the results of simple commands in which Unevaluated occurs. Of course these examples are of no practical interest. Unevaluated is meant to pass unevaluated arguments to a function body and as such it works perfectly. No one in practice is interested in (1+1)*Unevaluated[2+2]. The basic principle has been clearly explained by Andrzej Kozlowsky. Suppose we have a ...

Re: Re: Re: Any Mathematica 6 book yet?
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Re: Mathematica Collect function #3
> Many thanks to all who have responded to my question. > The question I posted was actually a smaller section of what I had > originally planned on asking. I was hoping to use what I had learnt > from your answers and apply it to a larger problem but I haven't had > much success. > > What I want is to go from expression1: > -((P10 P20 P30)/Sqrt) + (i P10 P20 P30)/Sqrt - i P11 P20 P30 + > i P10 P21 P30 + (P11 P21 P30)/Sqrt - (i P11 P21 P30)/Sqrt - > P10 P20 P31 - (P11 P20 P31)/Sqrt - (i P11 P20 P31)/Sqrt + ( > P10 P21 P31)/Sqrt + (i P10 P21 P31)/Sqrt + P11 P21 P31 > > to expression2: > ((1 + Sqrt) i - 1)/4*(P10 - P11) - ( > 1 + Sqrt + i)/4*(P20 - P21) + ( > 1 - Sqrt + i)/4*(P10 - P11)*(P30 - P31) + ( > 1 + (Sqrt - 1) i)/4*(P20 - P21)*(P30 - P31) > > Given that P10 + P11=1,P20 + P21=1 and P30 + P31=1, > expression 2 becomes expression3: > ((1 + Sqrt) i - 1)/4*(P10 - P11)*(P20 + P21)*(P30 + P31) - ( > 1 + Sqrt + i)/4*(P10 + P11)*(P20 - P21)*(P30 + P31) + ( > 1 - Sqrt + i)/4*(P10 - P11)*(P20 + P21)*(P30 - P31) + ( > 1 + (Sqrt - 1) i)/4*(P10 + P11)*(P20 - P21)*(P30 - P31) > > I know that they are equal because when I use Expand[expression3], I > obtain expression1. > > I've tried forcing the simplification by introducing temporary > expressions and back substituting to go from expression1 to e...

Re: Re: Re: Do Mathematica applications EVER get updated?
atul wrote: > I'm not entirely sure what prompts your anxiety, as I have used several > packages over the years, including Time Series, Wavelet Explorer and > Mathematica Link for Excel. While some functions (from both Time > Series and > Mathematica Link) were incorporated into the kernel over time, updates to > ensure compatibility with new versions of Mathematica were timely and > unobtrusive. > This has not been the case for me and I subscribe to "Premier Service". I must always ask (usually more than once) for updates to the "Mec...

Re: Re: Some bugs in Mathematica
Looking at the sum in more detail: s1[n_] := Sum[x^k*(Gamma[n-k-1/2]*Gamma[k+1/2])/ (Gamma[n-k-1]*Gamma[k+1]),{k,0,n-1}]; Calculating each term separately TableForm[t=Table[(Gamma[n-k-1/2]*Gamma[k+1/2])/(Gamma[n-k-1] *Gamma[k+1]), {n,5},{k,0,n-1}], TableHeadings->{Automatic,Table[i,{i,0,4}]}] Summing each row of the table Tr/@t {0, Pi/2, Pi, (3*Pi)/2, 2*Pi} For example, for n=2, the term for k=0 is ((Gamma[n-k-1/2]*Gamma[k+1/2])/(Gamma[n-k-1]*Gamma[k+1])/. {n->2,k->0}) == Gamma[3/2]*Gamma[1/2]/(Gamma*Gamma)== (1/2)*Gamma[...

Re: Re: mathematica to word
I would also point out that you can simply copy and paste from your notebook into Word. So you can write your text in Word and produce formulae, graphs, diagrams, figures etc in word. This is what I do. I don't know how editable they are from Word but I have never had a problem > -----Original Message----- > From: bghiggins@ucdavis.edu [mailto:bghiggins@ucdavis.edu] > Subject: Re: mathematica to word > > > Why not simply make a PDF of your notebook. In pdf form, all > gentlesouls at your university can read it using Adobe Reader or > equivalent. Of...

Re: Re: Types in Mathematica
I like this idea. Does the mathematical/algebraic "programming" style scale up to large problems? Are there examples? Or perhaps it doesn't strictly scale, but is better applied judiciously. It could be used to steer a code at a very high level, or conversely, used in the gaps (the Mathematica-in-the-gaps argument). Conventional programming would make up the difference. If indeed mathematical programming is not the silver-bullet paradigm, where should the conventional (though modern) programming be done? Within or without Mathematica? If within, then we've c...

Re: Re: Music to Mathematica
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> I completely agree - can you remember who it was who wrote a > "Mathematica book generator" and posted it here - if you can, > I will add a link to it on my site, because that is all that > we seem to have for the foreseeable future! > > I think WRI's approach to documentation is a real mistake. > Newbies must find it almost impossible to get into the > software. Also, some of the new features of 6.0 - such as all > the new capabilities of Import and Export are almost buried > and unusable because of poor, vague, Microsoft-style document...

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Hi Pratik, I never get anywhere near academia, but it is clear from postings on MathGroup and many private communications I have had that things could be better with respect to technical computing in education. Specifically, it is not fair that students should be expected to learn technical material and Mathematica, or any other CAS, at the same time. Perhaps students who are in careers using mathematics should have a required one semester Freshman course in Mathematica or the CAS of their choice. They still wouldn't know everything but at least they wouldn't be stumbling o...

Re: Re: Some bugs in Mathematica
On 12 Aug 2005, at 06:08, Alex wrote: > Kozlowski's posting is wrong from a to z. First, the square root of a > complex number has two branches. One is "positive" and the other is > "negative". So, if we cancel square root in the numerator and > denominator, the worst error we can make is in the sign. There is no > way to justify the fact that Mathematica was unable to do the > simplification. > As for the first sentence above I think I should leave it to others to make the judgement whether it applies to my posting more than to ...

Re: Re: Re: Re: Newly Released Mathematica 5.1 Delivers Unmatched Performance for Handling Data
John, I was thinking of angular measurement. The following works... Needs["Miscellaneous`Units`"] Convert[(Pi/4)*Radian, �] 45 � but the following, using an approximate value, does not work because Degree immediately multiplies out undoing the conversion. Convert[1.35 Radian, �] 1.35 The ExtendUnits package at my web site fixes this but at the expense of putting a HoldForm on the degree symbol. Needs["Miscellaneous`V4ExtendUnits`"] 1.35 Radian // ToUnit[�] % // FullForm 77.3493 � Times[77.34930234266115`, HoldForm[Degree]] Since I generally...

Re: Re: Package and options, subroutines Mathematica programming 3GL function procedure
Bob, This may be slightly tangential to your question but I hope it will be useful. First, learn how to use Sections, Subsections etc., in Mathematica notebooks. Then, when working on some project or studying some text, make an Initialization Section in your notebooks where you load all the packages you need and do other standard initializations, and make a Routines section where you put routines that you have developed as you work along. Whenever you come across something that will be generally useful in your work, develop it and then move it to the Routines Section. Make t...

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Re : Unpredictability (was (Re: Unevaluated, Plus and Times (was Re: Mathematica language issues))
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Re: Re: X-windows display of Mathematica graphics run remotely on Mac OS X machine
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Re: Re: Mathematica language issues
On 19 Dec 2004, at 20:15, Maxim wrote: > On Sat, 18 Dec 2004 09:36:01 +0000 (UTC), Andrzej Kozlowski > <akoz@mimuw.edu.pl> wrote: > >> >> On 17 Dec 2004, at 19:20, Maxim wrote: >> >>> In:= >>> Unevaluated[1 + 1]*2 >>> 2*Unevaluated[1 + 1] >>> >>> Out= >>> 4 >>> >>> Out= >>> 2*Unevaluated[1 + 1] >>> >> >> This is not a glitch but works exactly as one woudl expect. You can >> see the difference and the reason by looking at T...

RE: Re: General--Mathematica and Subversion
> -----Original Message----- > From: Peter Pein [mailto:petsie@dordos.net] > Sent: 07 December 2006 11:26 > To: mathgroup@smc.vnet.net > Subject: Re: General--Mathematica and Subversion > > Chris Chiasson schrieb: > > Subversion is really nice. On Gentoo, it has a fairly easy > repository > > install - probably true on other distros as well. For some reason, > > Workbench seems faster than regular Eclipse - even with "the same" > > plugins installed (I imagine Eclipse comes with a lot of > stuff that is >...

RE: Re: New GUIKit for Mathematica
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RE: Re: Movie clips to Mathematica
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