Matlab

problems when use the dde23 to solve delay differential equation
when i use the dde23 to solve a delay differential equation ,there are many warning such as : Warning: Failure at t=1.577281e+001. Unable to meet integration tolerances without reducing the step size below the smallest value allowed (2.842171e-014) at time t. In dde23 at 486 In revisemodel_delay>fitnessat ... 12 Jun 2010 23:41

randomly placed shapes moving laterally, horizontally, or increasing in size
Hi all, I'm pretty new to matlab but I need to construct a figure with several small moving objects preferably randomly placed in the figure field. The objects can be circular, oval, square, which ever is easier, and I want to make them move around in the figure. Maybe have them move up and down, left and right, or... 12 Jun 2010 22:35

randomly placed shapes moving laterally, horizontally, or increasing in size
Hi all, I'm pretty new to matlab but I need to construct a figure with several small moving objects preferably randomly placed in the figure field. The objects can be circular, oval, square, which ever is easier, and I want to make them move around in the figure. Maybe have them move up and down, left and right, or... 12 Jun 2010 22:35

reverse the color map
"Ali Al-Radaideh" <aliradaideh(a)yahoo.com> wrote in message <hv0vcg$h7l$1(a)fred.mathworks.com>... Dear All, I have got a Grey scale image and managed to map its values using the colormap('Jet') such that the maximum value(s) has/have a red color and the lowest value(s) has/have a blue color. Now I simply need t... 13 Jun 2010 06:08

Runtime Error when running executable file
Hi, I have created an executable file in Matlab using MCC. Everytime I run the exe file I get a "Microsoft Visual C++ Runtime Library" error message Can anyone help? Thanks Aris ... 13 Jun 2010 16:02

reverse the color map
Dear All, I have got a Grey scale image and managed to map its values using the colormap('Jet') such that the maximum value(s) has/have a red color and the lowest value(s) has/have a blue color. Now I simply need to reverse this such that the largest value(s) has/have a blue color ...etc. I used the code colormap... 12 Jun 2010 18:12

Matlab Read And Write Problems
Hi, I have a function that rewrites a file using fopen and fclose. The problem is nothing is actually replaced until I open that file. For example: Let's say I'm rewrite the contents in testfile.m. Then I try to use testfile.m right after the rewrite my progrem doesn't work. However if I open testfile.m the c... 14 Jun 2010 15:07

Rounding Values
Hi, I have a simple question. The real value of my equation is 3.31831 but I want to use it as 3.31 I tries "round" function but it gives 3, not 3.31 How can I shorten my value? Thanks for your help ... 12 Jun 2010 18:11

Suppressing a function&#8217;s command window output
A function I'm using has "display()" in it (or other things that display messages on command window), so it outputs a lot of things (x 1200) on command line when I run my code, which makes things hard to track and observe. Is there a way to suppress the output of this specific function? Ending the statement with sem... 14 Jun 2010 10:38

calculate the difference between a Histogramm and a Laplace distribution
I have 2 Histogramm and a Laplace Distribution,all have the same mean. How can i calculate which Histogramm more convenient to my Laplace distribution? it is difficult by see them to know which is better. Thank for you Help. ... 12 Jun 2010 14:52