Matlab

plot 3d
Hi, I have a text file with data set in this manner: x y z value 0.5 0.5 0.5 1.6 1.5 1.8 6.6 3.8 ..... ..... how can I plot this as a 3D plot? if I have something of the form z = f(x,y), then i create a mesh grid with x and y and use "surf" or somethi... 17 Feb 2010 00:10

satellite communication
hello i am srikanth .i am new to this site .i am interested in communications field and i want some information on satellite communicatioon. i need matlab coding on link budget analysis in satellite comm .please kindly help me out ... 17 Feb 2010 00:10

Fitting the hyperbola Ax+Bxy+Cy+D=0 to experimental data
By the way, the hyperbolas Ax+Bxy+Cy+D=0 may be useful in factoring integers. In fact, let L=Bx+A, M=By+C, and L*M=N, where B>=2 is an arbitrary modulus, 0<=A<B and 0<=C<B. Then LM=B(Ax+Bxy+CY)+AC=N, whence (N-AC)/B=(Ax+Bxy+Cy)=-D. ... 17 Feb 2010 00:10

leading zeros
Hello, I need to generate strings, 4 characters long that include either '0' (zeros) or '1' ones. I do: for m=0:15 '(4 bits) q=dec2bin(m); s1=substr(q, 1, 1); s2=substr(q, 2, 1); s3=substr(q, 3, 1); s4=substr(q, 4, 1); end substr is the equivalent of mid$(a$,..) in visual ba... 17 Feb 2010 00:10

problem with dlmwrite
Hi I have problem, I want to write a matrix file (TPS_ori) created in Matalab to an ascii file(TPS_file), using dlmwrite('TPS_file',TPS_ori,'\t',0,0). When I open the created file (TPS_file) in matlab it is ok. But when I try to open it with wordpad it looks corupted, all filled with &#61680;&#61680;&#61680;&#61680... 17 Feb 2010 00:10

clairekhan
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image processing in matlab
Hi All, I m new to Matlab. I have to overlap two images in which I need to remove the extra portion of the image that is on top(like white background of the image). I have done overlapping but dont know how to remove the extra position of the image. Any suggestions of how I can do this? Thanks. Sadaf ... 17 Feb 2010 00:10

Read malformed text file
"Malcolm McLean" <malcolm.mclean5(a)btinternet.com> wrote in message <hleh2l$5eb$1(a)fred.mathworks.com>... "nedo nodo" <nedo.nodo(a)gmail.com> wrote in message I have a "malformed" text file: it is similar to a file .CSV, but Matlab can't read it automatically. The code read well only the first line of ... 17 Feb 2010 00:09

Plot Gaussian dataset in 3D
I am trying to plot in 3D a dataset generated with a mean and covariance as follows: mean=[8 2] ; sigma=[4.1 0;0 2.8]; x = mvnrnd(mean,sigma,100) ; [X Y]=meshgrid(x(:,1),x(:,2)); Z = peaks(X,Y); surf(X,Y,Z); %or mesh(X,Y,Z) The 3D does not look correct, since it is a Gaussian dataset, I expect a nice bell ... 17 Feb 2010 00:10

How to run multiple m-files in a single instance of matlab?
Hello, Matlab takes some time to open and when I try to run a MATLAB file from my custom C# app it always opens a new instance of matlab. Now, to be more efficient it would be nice if I could just call matlab with the file I want to run while keeping the current instance alive. Is this possible in C# or even in... 17 Feb 2010 00:09