Matlab

Replacing NaN Values...?
Thank you both for your help, but this is actually an accidental double posting, and the problem was solved in the other (main) post. I don't have any NaNs 'inside' the matrix, just at the start and finish; NaN NaN etc... 2 56 etc.. 3 70 8 90 4 81 9 17 1 ... 18 Jun 2010 06:57

how can i show multi images ..??
how can i show multi images in one window ..?? also i have a problem that when i type imshow(reshape(I(:,3),200,180)) it shows nothing, but when i reverse it by 180x200 it shows. the original size is 200x180 ..! ... 18 Jun 2010 06:57

Regarding Simulink
Change the simulation start times as 0.9 and stop time as 1....if possible change the the solver.....then run u will get it........ *for second question there is no triangle block...take ramp signal block and change it,,,,, "Sankar " <sankar_cde(a)yahoo.co.in> wrote in message <hk6cmi$lri$1(a)fred.mathwor... 18 Jun 2010 05:52

PI and PWM
Sir/madam, I am trying to simulate a closed loop control system for BLDC motor through matlab/simulink version 2009b.i am unable to connect PI signal to the PWM signal.wat is the logic to connect this ...if there is any simulink file mean send me.......it is easy to learn new things if any suggestion tow... 18 Jun 2010 05:52

difficulties in generating variable PWM
Hello, I am trying to simulate a closed loop control system for BLDC motor through matlab/simulink version 2009b.i am unable to generate pwm pulse with variable duty cycle.i want the duty cycle based on my closed loop error signal(FROM pid CONTROLLER)...can someone help me................ if any suggestion... 18 Jun 2010 05:52

Interpolation- Negative values
Hi, I was doing ID Interpolation using Spline in order to fill my NaN values. But the result is showing some negative values which is not correct. I thought of converting them to zero but then that might be wrong to do since there are many such cases. Can anyone suggest, how this can be removed or analysed furthe... 18 Jun 2010 06:57

Replacing NaN Values...?
"Stephanie " <stephanie.turnbull(a)strath.ac.uk> wrote in message <hut2io$mf8$1(a)fred.mathworks.com>... Hi there, I have a vector where the first few values at the beginning and end are NaN, and I would like to replace these values with the nearest "real" value. For example; NaN NaN NaN 3 ... 18 Jun 2010 05:52

Convert number to date
Hi, I am trying to convert a set of numbers yyyymmdd to dd-mm-yyyy. I have tried to use datestr but I think due to the order of my numbers it does not convert it properly. So for example : x = 19610807; d = datestr(x) d = 24-Jul-3692 I would expect 07-Aug-1961. Secondly, how can I get it to displ... 21 Jun 2010 03:42

Use of uigetfile() together with uiwait()
Hello all, I am using the function [FileName,PathName,FilterIndex] = uigetfile(FilterSpec,DialogTitle) to get user input. Matlab documentation says that one wants to block program execution until the user responds, it should be used together with "uiwait". Here comes my question: How to use uigetfile together... 18 Jun 2010 11:18

MEX file cannot find entry point in 64-bit linux
I have written a mex file that compiles fine within 32-bit windows xp and works without any problems. However, when I tried compiling it under a 64-bit linux environment, I get the following error after compilation (which occurs just fine): Mex file entry point is missing. Please check the (case-sensitive) spelli... 18 Jun 2010 08:02