Why can't NIntegrate integrate this well-behaved function? 0 43 (7/1/2003 1:07:06 PM)
[contact the author to get his attachement - moderator] I am using Mathematica 4.1. I generated an expression called trigfunc (see below) containing terms with Sine and Cosine functions of the single vari...
jrobe151 (1)

formatting question 0 31 (7/1/2003 1:01:57 PM)
Hi, I would like to post to mathgroup but when I paste code out of a notebook, it looks like this: (using a Mac in OSX) \!\(\* StyleBox[\(Clear[uDiagonal, uAngYZ, uAngW, uAngX, uAngY, uAngZ, y, x...
malfaro (6)

Re: format Text in graphics #4 1 32 (6/28/2003 7:24:27 AM)
A more straightforward way: Plot[Sin[x], {x, 0, 2Pi}, Epilog -> Text[TraditionalForm[HoldForm[y = f[x]]], {Pi, 1/2}]]; Even HoldForm does not avoid occasional rearrangements of the formulas, thoug...
gorni (13)

Changing the shading contrast in ListContourPlot 0 41 (7/1/2003 12:55:43 PM)
Hi, I encountered a question in ListContourPlot and am writing for help and advice. I have two sets of data, which have different ranges in x- and y-. (Say, one set of data is from {{-4,4}, {-3,0}}, whil...
jushen1 (5)

Derivative of a List 2 32 (6/26/2003 9:49:56 AM)
Hello, I created a two columns table from experimental data say v (t) and would like to compute the derivatives. How do I proceed. Thanks ...
akpovo (3)

plot1 and plot2 2 35 (6/28/2003 7:25:28 AM)
Hi, I need to show plot1 and plot2, which were built by the following way : Needs["ExtendGraphics`SurfaceGraphics3D`"] data1={{0.0,0.0,0.0},{1.0,0.0,1.0},{2.0,0.0,2.0},{3.0,3.0,3.0}}; data2={{0.0,0.0,0.0},{...
I.Nakhova (2)

Nesting Pure Functions with more than one variable 1 31 (6/27/2003 10:45:33 AM)
Dear all, I'm looking for a way to nest a pure function with more than one variable. For Example, In[1]:= a={1,2,3}; b={5,6,7}; c:=Insert[#1,b[[#2]],#2+#2]& This is what I'm trying to achieve [i.e ...
Elansary (2)

Problem with Numerical Differentiation 0 33 (6/28/2003 7:32:36 AM)
Hi, In relation to a research problem, I have three arrays/vectors X,Y,Z of dimension 3000 X 1 each. I need to find a list of numerical values for dz/dx or dz/dy. I could not find any command for numerical d...
sreeparnasg (1)

Re: Re: Minimization #2 0 25 (6/28/2003 7:31:35 AM)
Doh! That's a typo. It should be p0. On Friday, June 27, 2003, at 11:40 AM, Bobby Treat wrote: > Selwyn, > > Your first version doesn't define 'target'. > > Bobby > > -----Original Message----- ...
selwynh (53)

Mathematica fonts are not properly installed version=2.55 0 46 (6/28/2003 7:30:34 AM)
Hi, I have tried to install mathematica 4.0 on my RedHAT 7.3 Linux (I also have 8.0 and 9.0, but I was advised to use 7.3) but I was faced with the an error message that says that my fonts are not properly ...
ha_hegab (3)