Matlab

Differential equation use (ODE)
Hey, I'm trying to do a differential equation using Matlab: I'm trying to identify the temperature evolution in a Diesel Engine, so my equation is written as follows: dT=-(1/m*Cv)*(m*r*(dV/V)*T+(k*S*T^0.25(T-515))/(6*N)) or m,r,N are constants V is the cylinder volume, varying function of the cranck angle (... 30 Jun 2010 10:51

Problems with parfor, sim and non local workers
Hello, i have problems using parfor with the sim-command and using non local workers. With local workers the scripts works fine, without any problems. (A couple (numSimulations) of different parameter sets are stored in the cell Simulation. I am using rapid Acceleration target and tuneable parameters therfore) m... 7 Jul 2010 02:34

index out of bounds still exists in SP3
Hi, I am working with the following code format long; clear; % T=300; % temperature % constants h=6.626068e-34; % planck's constant me=9.109e-31; % electronic mass k=1.386065e-23; ... 29 Jun 2010 06:21

Bitwise manipulation of data and memory issue
Hi guys, Im doing some sort of algorithm on the pixels of an image. This algorithm returns a 26 bit wide signature for each pixel, so I have 2^26 different combination. My target is to save the pixel value as well as a counter for the number of occurences for this signature in an array address corresponding to the s... 29 Jun 2010 09:37

please help with this for loop
numreal = 100; for iz = 1:numreal str1 = cat(2,'gsod_temp',num2str(iz)); str2 = cat(2,'gsod_new',num2str(iz)); eval([str1 '(ka)=str2{ind_tm(index_r1(i))}(index_r2)']); end it gives me an error: Cell contents reference from a non-cell array object. When I have single iteration (i.e. numreal =1) the f... 29 Jun 2010 10:44

how to loop this:
Could you please help me. I need to find a way to loop this for i=1:10. Any help would be appreciated. THANKS!!! gsod_temp1(ka) = regional_gsod1{index_r1(i)}(index_r2); gsod_temp2(ka) = regional_gsod2{index_r1(i)}(index_r2); gsod_temp3(ka) = regional_gsod3{index_r1(i)}(index_r2); gsod_temp4(ka) ... 29 Jun 2010 09:37

why fftshift() is useful.
On 6/28/2010 11:32 PM, robert bristow-johnson wrote: On Jun 28, 4:46 pm, Greg Heath<he...(a)alumni.brown.edu> wrote: ... For N odd, using fftshift instead of fftshift and vice versa. my problem with MATLAB is that i always use fftshift() instead of fftshift(). ... Are you guys kidding, or wha... 29 Jun 2010 07:26

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Read Image from RAW (image data before demosaicking)
"Jack Branning" <jbr.nospam(a)nospam.com> wrote in message <i0ak93$480$1(a)fred.mathworks.com>... Does anyone know how I can open a RAW image (preferably .RWL taken from a Leica camera) such that I can see the data straight from the sensor before color interpolation? I do not know much about this topic, but checkin... 29 Jun 2010 01:59