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solving a 3rd order differential equation using thomas algorithm
t '''+ t*t''- (t')^2= -1 Boundary conditions are t(0)=0, t'(0)=0 & t'(infinity)=1 consider the primary variable to be y i need to obtain the values of t , t' , t'' & intergration...
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how to plot 3/4 of a circle...
Hi, I need your urgent help please, I have been asked to plot 3/4 of the below circle starting from point (10,0) and ending point (0,10). rho = 180/pi alpha = [0:pi/18:2*180] R = 10 x1 = R *...
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help on normxcorr2
Hi, I have a question regarding normxcorr2. It works when I use 2 orignal images A and B, but when I increase the resolution of images by using interp2 and plug the new image C and D into the fuction,...
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Re: how to plot 3/4 of a circle...
"bdr JK" <bdr.77@hotmail.com> wrote in message <kv8lva$14n$1@newscl01ah.mathworks.com>...> Hi, I need your urgent help please, I have been asked to plot 3/4 of the below circle starting...
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Re: solving a 3rd order differential equation using thomas algorithm
On 8/23/2013 4:32 PM, Robin wrote:> t '''+ t*t''- (t')^2= -1> Boundary conditions are t(0)=0, t'(0)=0 & t'(infinity)=1> consider the primary variable to be y> i need to obtain the...
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Re: Opening and reading a file
On 8/23/2013 4:29 PM, Poulomi wrote:> Hi,>> I have an array, say A = [1008 1009 10012 10015], where each number> contains station name. In a separate folder all data pertaining to>...
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Re: Combine string matrix and integer matrix
On 8/23/2013 2:13 PM, Sincloe Brans wrote:> Hi Saravanan> It works if I specify the items inside my B matrix as you described> ('a', 'b',...), however it is not in a matrix format though.>...
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accumarray issue (not working with large numbers?)
hey all, this here works: B = [1 2 3 1 3 4 2 2 2 3 4 5 3 3 3 3 5 9 4 8 9] [unique(B(:,1)),accumarray(B(:,1),B(:,2),[],@prod)] But, if I change matrix B's left column to these large numbers I get error....
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looping over solver (ODE45)
Hello, I have a coupled first order ODE to solve of the form dy = f(t, x) dx = d(f, x) which depends on a common parameter which I have to solve for over some range. I can solve the system using ODE45...
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Re: looping over solver (ODE45)
"Paul " <paulsastud@hotmaill.com> wrote in message <kv925j$78g$1@newscl01ah.mathworks.com>...> Hello,> > I have a coupled first order ODE to solve of the form> > dy = f(t, x)...
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Re: no data acquisition toolbox in 64 bit matlab r2009a?
"cpp.matlab" <cpp.matlab@gmail.com> wrote in message <c3f74983-56d3-4624-8880-7cc6bd1db320@r27g2000yqn.googlegroups.com>...> Does any one know why there is no data acquisition toolbox in...
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Re: last typed matlab command
I know this thread is ancient but i was looking for a solution to this. A much safer way of obtaining the last typed command is: hist =...
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Re: While loop with & condition
On 8/24/2013 9:26 AM, Michael wrote:>> > > while d1_err > tol & d2_err > tol> ...> > > end ....> No, what is happening is that once d2_err < tol, the while loop...
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A simple function
Hi all, I'm very new to matlab, but have some programming experience. I am trying to use matlab to perform a Major Axis least squares fit regression analysis with the code below. When I run the...
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PECE method demo
Hi all, I downloaded PECE method matlab code written by Roberto Garrappa for solving nonlinear fractional order differential equations. I tried to implement the code several times but I failed. Is...
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Re: are atheists moral nihilists?
On 08/24/2013 06:25 AM, R.G. Bargy wrote:> On 24/08/2013 08:29, Dale wrote:>> http://en.wikipedia.org/wiki/Nihilism#Moral_nihilism>>>> I'm an epistemological solipsist>>...
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Re: A simple function
On 8/24/2013 11:13 AM, Richard wrote: ...> ... with the code below. When I run the function the> software returns the slope, but I see nothing else. Just ans = (some> number). How do I...
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Re: While loop with & condition
On 8/24/2013 9:26 AM, Michael wrote:> dpb <none@non.net> wrote in message <kvab43$k9n$1@speranza.aioe.org>...>> On 8/24/2013 2:54 AM, Michael wrote:>> > Hi, hopefully i...
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linear regression methode
hi, am working to get a correlation with the rpm and power variation of a compressor, but after each and every run am getting different power at a particular rpm. i tried curve fitting but am not...
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Re: are atheists moral nihilists?
On 24/08/2013 18:20, Dale wrote:> On 08/24/2013 06:25 AM, R.G. Bargy wrote:>> On 24/08/2013 08:29, Dale wrote:>>>...
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