Matlab

funtions evaluation time: symbolic vs normal
If I use subs (f, t) to evaluate a symbolic funtion, the evaluation time is about 1000 times the "normal" evaluation time of the same function in double precision. Is there any way to transform a symbolic function in a "normal" one before making the evaluation? ... 5 Apr 2010 00:44

Changeable Static text
Hi.. How to make the static text to be writable? I attempt to use edit but it can be enter and space to input the string or number. How to recognize the input which is string or not? Thanks ... 4 Apr 2010 23:39

Making a Memo box Dialog
Dear All member Could I make the static text to be fulfill text as a memo text box dialog. How Could I do this? Thanks ... 4 Apr 2010 01:46

solving equations with a matrix
Hi, I am trying to solve two 3 term equations with matrices the first one is not a problem as it is linear. The equations are Ra+Rb=250 Rb+Rc=500 Rc+Ra=300 But the second one has terms which are to the power of negative 1, and I don't know how or indeed if th... 5 Apr 2010 05:02

How to show math symbols in Static Text Component in GUIDE?
Dear Zhang How can I make a static text like e text box can be write freely? Thanks "Matthew Whitaker" <mattlwhitaker(a)REMOVEgmail.com> wrote in message <hdeoko$ind$1(a)fred.mathworks.com>... "Zhang Michael" <cy_xiaoxiao(a)hotmail.com> wrote in message <hdehg4$e2l$1(a)fred.mathworks.com>... Hi. I ... 3 Apr 2010 23:36

Convert MGRS to Latitude/Longitude and vice versa
Hello, I am needing to batch convert many Military Grid Reference System (MGRS) coordinates to Latitude/Longitude coordinates, and vice versa. Matlab is a requirement, as it will be embedded in a much larger Matlab application. The machines which these scripts will be run on will not have internet access, so the sol... 3 Apr 2010 23:36

Making a Memo box Dialog
Dear All member Could I make the static text to be fulfill text as a memo text box dialog. How Could I do this? Thanks ... 3 Apr 2010 23:36

imagesc NaN values
Hi all, I read in a matrix from xls file. The matrix is as follows pvalue = [ NaN NaN NaN NaN; NaN NaN 1.00000000000000e-05 NaN; NaN 4.00000000000000e-05 0 NaN; NaN 0 0 NaN; NaN NaN NaN NaN]; All the NaN are empty elements in the excel file. I want to plot the pvalue using imagesc and indicate the empty e... 3 Apr 2010 22:30

MATLAB on the iPad
I'm a college professor and would love to just bring my iPad to the classroom to give Keynote presentations to go with my lectures. But as a fair number of my lectures also involve demonstrations with Matlab, this scenario would be practical only if Matlab were also running on the iPad. The challenge for Mathworks of... 5 Apr 2010 12:44

integrate and fire model
hey every one Actually I would like to know what is the function of integrate and fire model in matlab,this model/function convert the picture into spikes. furthermore ,my project about the blind people ,so what we are doing is we are taking a picture and we do some filters to it then we convert it to spikes ,then we... 9 Apr 2010 18:58