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Re: TransformedDistribution result not expected 0 1 (5/8/2013 8:11:01 AM) comp.soft-sys.math.mathematica On 5/7/13 at 3:53 AM, shaunwerkhoven@gmail.com (Shaun Werkhoven) wrote: >Sorry if this question is too simple, I'm new to Mathematica. If I >enter >TransformedDistribution[ ax + b, >x\[Distributed]Norm... Bill

Re: How Random works? 0 2 (5/8/2013 8:10:02 AM) comp.soft-sys.math.mathematica On 5/7/13 at 3:53 AM, jougraw@gmail.com (Joug Raw) wrote: >I want to know which algorithm Mathematica are using to generate >random numbers. How large is its period? And how the deterministic >part works? ... Bill

Re: Formula Stirlinga #2 0 3 (5/4/2013 8:22:43 PM) comp.soft-sys.math.mathematica On 5/1/13 at 9:43 PM, karchevskymi@gmail.com wrote: >n = 1000; N[n! - Sqrt[2*Pi*n]*(n/Exp[1])^n] = 3.35308734163*10^2563 >Why does Stirling's formula works incorrect? Stirling's formula is a valid approx... Bill

Re: rearrange tough explicit equation 0 5 (5/2/2013 1:40:07 AM) comp.soft-sys.math.mathematica On 5/1/13 at 3:35 AM, davejamesbrackett@gmail.com (db) wrote: >Hi, I'm trying to rearrange to isolate V in this equation, but am >having trouble working out the right way to tackle it. Could someone >give ... Bill

Re: Limiting the number of cores used by a single kernel? 0 5 (4/28/2013 4:58:26 AM) comp.soft-sys.math.mathematica On 4/26/13 at 11:10 PM, georgevw3@mac.com (George Woodrow III) wrote: >On Apr 26, 2013, at 4:25 AM, bradc355113@yahoo.com wrote: >>I've noticed recently (beginning in v8 or so) that some functions seem >... Bill

Re: Export to PDF outline issues 0 6 (4/28/2013 4:57:49 AM) comp.soft-sys.math.mathematica On 4/26/13 at 4:26 AM, johnandsara2@cox.net (debguy) wrote: >Maybe another viewpoint will help. I use mm v 4.0. I tried the >example, no problem. I then tried: >foo = Graphics[{Blue, Rectangle[{1, 0},... Bill

Re: Sparse Array Question #2 0 3 (4/24/2013 11:02:05 AM) comp.soft-sys.math.mathematica On 4/23/13 at 12:04 AM, chris.arthur1@gmail.com (christopher arthur) wrote: >I have a list of rules for defining a SparseArray. The list has >some coordinates repeated with different values. If a coordin... Bill

Re: Find the function that best fits 0 7 (4/21/2013 9:17:44 AM) comp.soft-sys.math.mathematica On 4/20/13 at 5:45 AM, JFONFRIA@UJAEN.ES (JFONFRIA) wrote: >I have implemented a code to obtain information. Now I want to >obtain a function that fits to this information. Is there any option >to say to M... Bill

Re: used by LogLogPlot? #2 0 7 (4/17/2013 6:30:49 AM) comp.soft-sys.math.mathematica On 4/16/13 at 12:36 AM, fishe053@cougars.csusm.edu wrote: >I'm confused too. I'm trying to plot this code below via >mathematica however I can't get the plot to come out correctly. >R = 10; >L = 0.01; ... Bill

Re: "Programming With Mathematica" Exercise help 1 6 (4/12/2013 6:15:34 AM) comp.soft-sys.math.mathematica On 4/11/13 at 4:13 AM, plank.in.sequim@gmail.com wrote: >I'm loving Paul Wellin's book "Programming with Mathematica: An >Introduction" and am trying to diligently do all the exercises. >Most of them have ... Bill

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Peak Finding 1 129 (4/28/2012 9:25:39 AM) comp.soft-sys.math.mathematica I am wondering if there are any peak finding notebooks around or examples. I have been interested in doing some peak finding/peak detecting in Mathematica for a while, it has been challenging. My specific ... richardgreco (3)

Norm, Normalize and column vectors 2 58 (5/6/2012 7:25:08 AM) comp.soft-sys.math.mathematica Why does Norm work with column vectors, but Normalize does not? e.g.. In[1]:= Norm[{{1}, {2}, {3}}] Out[1]= Sqrt[14] But In[2]:=Normalize[{{1}, {2}, {3}}] Throws red It even says in the doc... brenttnewman (56)

Maximisation question 3 46 (5/18/2012 9:24:50 AM) comp.soft-sys.math.mathematica For any integer j, suppose we have a function f(j). Then how would I find the highest f(i) such that 100 <= f(i) <0 ? With thanks in advance. ... jack.j.jepper (42)

clearing a variable with a dummy subscript 4 39 (5/18/2012 9:27:53 AM) comp.soft-sys.math.mathematica Hi ! Here is something very simple I don't understand : f[x_] := x; f[2] (*A function*) 2 Clear[f]; f[2] (*The same perfectly cleared as expected*) f[2] Subscript[u, k_] := k; Subscrip... AHautot (9)

rHelp Finishing Mathematica Program 1 38 (5/21/2012 9:57:03 AM) comp.soft-sys.math.mathematica This project involves finishing the Mathematica program which I started. A loop must be added to the program. The trial value for k is to be replaced by the calculated value of k and then recalculated i... ivantulin (1)

How to get the corresponding coefficients? #2 4 49 (4/4/2012 8:37:17 AM) comp.soft-sys.math.mathematica If exp:= x3 Exp[x1+x2]; How can I get the coefficient x3 and the exponential x1+x2 from the exp in a simple way? ... simplerbysimpler (3)

ListPlot question 4 47 (4/5/2012 9:53:04 AM) comp.soft-sys.math.mathematica I have a user defined function f[x]. I want to plot it discretely using ListPlot. Specifically, I want to do: ListPlot[f[x],{x,0,0.5,0.1}] So I want plot 5 point from the function with 5 sequence of arg... junkyung.auh (2)

How to Invert Rows and Columns for a Grid of List of Lists 2 55 (4/6/2012 10:07:50 AM) comp.soft-sys.math.mathematica Consider two lists a = {{1,2,3},{4,5,6},{7,8,9}}; b = {{1,4,7},{2,5,8},{3,6,9}}; I want to transform a "into" b for use in a project for displaying chord diagrams in a GraphicsGrid. the list values will ... brtubb (35)

evaluating functions and displaying results numerically 5 40 (4/21/2012 4:35:24 AM) comp.soft-sys.math.mathematica Once in a while a face a problem with Mathematica in which I cannot get a straightforward numerical output. I have a function defined in mathematica, I try to evaluate the function with numerical arguments a... prof.eduardofontana (4)

Serious Bug in Mathematica 7 and 8.0.4.0 (latest version) 4 48 (4/23/2012 9:43:23 AM) comp.soft-sys.math.mathematica In[1]:= (* This notebook produced by Mathematica 8.0.4.0 *) (* Platform: OSX 10.6.8 on MacBook Pro *) In[1]:= b = 6371.01 (* We set the value of b to this real number. *) Out[1]= 6371.01 In[2]:= SetPr... amayer (1)