Mathematica
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Bug in Mathematica 7.0.1.0 ? The surer and more stable method for manipulating complex expressions is always ComplexExpand. Conjugate[a b]; ComplexExpand[%, {b}, TargetFunctions -> {Conjugate}] a Conjugate[b] or Conjugate[a b]; Simplify[%, a \[Element] Reals] a Conjugate[b] David Park djmpark(a)comcast.net http://home.comc... 23 Apr 2010 20:53
Finding the extreme function values. I would like to know which is or are the best commands in order to find the highest and lowest function values in an interval. What I need are not the maximums not the minimums of the function within the interval but the highest and lowest values. In my search of the help files I couldn't find a simple way to d... 23 Apr 2010 20:53
copying graphs to ppp Hello Group, What is the best way to copy/paste a graph from mathematica to microsoft ppp. My graphs look ugly afterward. bests, eric ... 23 Apr 2010 20:53
How can I make graphics unselectable? I wrote a Manipulate based application in v7 which produces graphical output. The Code is invisible, because I closed the cell and made the cell brackets invisible. Now, If a user selects part of the graphical output, a tooltip appears which says "double click to edit, CTRL-d for tools". If the user tries to move t... 20 Apr 2010 15:53
Framing a histogram Hi Please look at this: Histogram[{1, 2, 3, 1, 2, 3, 1, 2, 3}, Frame -> True] The bottom of each column does not meet with the x-axis, but there is a little space between them. Is there any way to remove this? Best regards. Jimmy. ... 23 Apr 2010 20:53
Easy way to label graphics grids? Hey everyone, do you know if there is an easy way to label the rows and columns of a GraphicsGrid? like this: Label A Graph Graph Graph Label B Graph Graph Graph Label C Graph Graph Graph Label 1 Label 2 Label 3 Thanks, Ren=E9 ... 23 Apr 2010 20:53
cant free ram.. i'm running a Do loop over a grid of points, say 100x100. the problem is that for every grid point the ram used increases by 1.4 MB and so i cant actually finish the evaluation [100x100x1.4 is roughly 14GB] of all the outputs i need only 3 numbers per grid point and so i tried the following: ClearAll[all the ... 20 Apr 2010 15:53
Volcanic Ash Cloud over Europe in 14 lines of Mathematica My dear friend Sarah is in Europe and needs to fly back in the US this week end. I wanted to follow up on the ash cloud evolution. Here is the code that reads the reports from the London Volcanic Ash Advisory Center, and displays it in Mathematica, which I think is pretty cool. Hopefully some of you will feel... 20 Apr 2010 15:52
Button Problem I am using Mathematica 7 to analyze a large data set and have written a program which runs successfully when invoked as follows: analyzer["C:\\mdtp\\Jim\\Data\\Data\\Field07Aout.txt", "abc", "All", "All", "-9", "PT", "-9", "CC", "EQ", "1", "1", "No", "{1}"]; However, I would like to create a button notebook w... 23 Apr 2010 17:33
Why is InputField changing format of input formula? Hi, I am writing an application which the user enters an equation and would like to set up an input field for the equation. This is what I currently use: InputField[Dynamic[myFunction], FieldSize -> {20, 4}] However, when I leave the field, the equation is automatically altered by the system. For examp... 20 Apr 2010 15:53 |