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Plotting results of three different data sets on same Plot
Depending on the format of the data sets, there are a variety of functions available to import the data. Look at the following ...

約14年前 | 1

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Matlab Source Code
Well the standard question that is always asked in this circumstance is: what have you done so far? What _specific_ MATLAB probl...

約14年前 | 0

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How to create a solid spherical cluster with random distribution of points
centroid = [0 0 0]; Rad = 2; %desired radius n = 100; %or however many points you want phi = 2*pi*rand(n,1); %ph...

約14年前 | 1

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Sorting NaN
You could do something like this: a=[1 2 3;4 5 6;7 8 9;NaN NaN NaN]; a= sort(a,1,'descend'); in = any( isnan(a),2); ...

約14年前 | 1

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Data Upload
Depending on the format of the file, this can vary substantially between trivial and impossible. Do you have any information abo...

約14年前 | 0

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Efficiently setting lower axis limit
You could do it in two lines: xlim_curr = get(gca,'xlim'); set(gca, 'xlim', [0 xlim_curr(2)]); I've tried to do exact...

約14年前 | 1

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Optimizing a 'for' loop
You algorithm isn't quite clear. What is the dimension of mean(M)? Why do you subtract M(i) from it each time? Can you clarify ...

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how to limit arrow length in 3D quiver plot?
For your situation, I would specify the length of the arrows directly, rather than letting Matlab perform the Auto-scaling of th...

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Bounding Box
An image is specified (like any other matrix) as MxNxP, where M is the number of rows, N is the number of columns, and P=1 or 3 ...

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extracting rgb from each block of an image in matlab
What was the original size of the matrix? From your output, it looks like the matrix had a third dimension of 1. For an image to...

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car license plate extraction
Given that you have given us NO details about your problem, I will assume the simplest situation possible: each license plate im...

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Virtual Mouse Project
Controlling the mouse pointer is actually a bit difficult, as you need to use the Java Robot class (it's not a Matlab function _...

約14年前 | 1

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Using Euler-Cromer to find the motion of a simple pendulum?
Can you use the ODE solvers built-in to Matlab (something like 'ode45')? If so, that would be the easiest way, and would avoid l...

約14年前 | 0

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Passing extra parameters back through an optimisation function
One way is to wrap the call to fmincon in an outer function, and have the really_time_consuming_function's as a sub-function of ...

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GUI help
Are you saying that your GUI requires a double input and not a char input? If so, you can just convert the string to a double, l...

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plotting
Put m in a loop as well. clear,clc l=.01; for m=0:.01:4; figure; %create a new figure each time for x=0:....

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I need to apply AAM on a face image.
I don't know anything about AAM, but I found this on the File Exchange. Maybe it can help: <http://www.mathworks.com/matlab...

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code
Looking at your data, and reading over your other posts about this, perhaps the problem is that the spacing between points is to...

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Write a program in a script file that determines the real roots of a quadratic equation
Well let's break down the question step by step, with the specified section of the documentation for each. # Get input a, b...

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How to use "str2num" to read the first column of a comma separated data?
str2num isn't really intended for this purpose. Why not use textscan, dlmread, or similar? doc textscan doc dlmread

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Write a program in a script file that determines the real roots of a quadratic equation
What do you have so far?

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Cell Mode
The cells should not disappear. Are the cell division lines (double % signs) still present in the re-opened M-file?

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Index of reordered vector
A = [1 2 3 4 5 6] AR = [2 4 1 6 5 3] [junk, P] = ismember(A, AR)

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how to build an interface between matlab and another software
I don't know anything about CalculiX, but from a quick Google search it seems that CalculiX can be run from the Windows command ...

約14年前 | 1

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from string array to variable names
You can use genvarname to generate variable names. doc genvarname However, you probably don't want to actually do this. ...

約14年前 | 0

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Write a function, using arrays-vectors,' input'& 'fprintf','if' statement', 'end', 'fgetl' etc with good programming practices...like putting comments %
Well if your deadline is approaching, then I can understand why you must be so frustrated! I feel some pity for you--not too man...

約14年前 | 1

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adding same variables to single .mat file
y = NaN(30, 3800000); %pre-allocation for k=1:30, S = load( sprintf('data_%d.mat', k)); y(k,:) = S.x; end ...

約14年前 | 1

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Write a function, using arrays-vectors,' input'& 'fprintf','if' statement', 'end', 'fgetl' etc with good programming practices...like putting comments %
There is no question here, so I will ask one myself: Are the '2 marks' awarded for successful completion of this task transferab...

約14年前 | 0

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real time point tracking and confining it within a predefined boundary
This forum won't just send you MATLAB code without you showing us what you've done so far (as this sounds a bit like homework). ...

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calculate the area
Do you want just the total number of pixels of white? If so, just sum the image (sum all 1's). If you want the area of conti...

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