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How to choose solver, optimization or curve fitting?
You can either use a regularized regression function, or the optimization toolbox. I would guess optimization is the easier choi...

11年以上 前 | 1

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Plotting Y=f(X) after a regression where X contains 2 predictors
It doesn't make sense to plot y vs f(x1). Here you have several options. 1) You can plot y vs x1 and y vs x2, which can show...

11年以上 前 | 0

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What is curve fitting and how to do it?
I will keep it concise so as not to go into an off-matlab area. Curve fitting (commonly associated with regression) usually come...

11年以上 前 | 0

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What formula is used in curve fitting app; probability plot; extreme value?
I am assuming you are either referring to cftool or dfittool. If you wnat to find out how the functions work, go to "File" and c...

11年以上 前 | 0

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Array Question time again
Assuming this is a cell array, the naivest way to go is: X=zeros(54,164); for i=1:54 X(i,:)=[OldArray{i+1,1} OldArray...

11年以上 前 | 0

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For loop with moving window
If I understand you correctly, you have an indexing problem. Try an indexing scheme like this: for i=1:N Weights(i)=fu...

11年以上 前 | 0

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How to save function outputs as a vector to workspace.
Your question is worded in an ambiguous way, I am not sure I understand your exact question. I will speculate a bit and hope one...

11年以上 前 | 0

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3D volume image reconstruction
How you would handle this problem depends on what you would like to achieve as the end result. Keep in mind, the "z axis" as you...

11年以上 前 | 1

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Creating a vector from the diagonal values of a square matrix
vector=diag(matrix); check help diag for more detailed information.

11年以上 前 | 0

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Need to find files in a dir structure with similar but not identical names
Look for an implementation of grep or agrep for MATLAB. However if your problem has a monotonic redundancy, I might be able to s...

11年以上 前 | 0

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How to locate the the position of a 3D subimage in larger image in Matlab?
Depending on the size and type of data, it might be preferable to use a convolution or an erosion. I can't give a specific code ...

11年以上 前 | 1

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Exist returning zero when file definitely exists; rehash not working
I am not sure why the wildcar doesn't work. How about using the wildcard with dir beforehand and searching within the matlab mat...

11年以上 前 | 0

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replace NaN with zeros for several variables in a dataset
It is surprising that the isnan function is not working, I have been able to use it in similar situation without any problems. H...

11年以上 前 | 0

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Help with data from multiple files
for i=1:26 eval(strcat('xloc',num2str(i),'=COTO_',num2str(i),'_sphere(:,1);')); end This is a lazy way to do it. Also, ...

11年以上 前 | 1

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Make a better code to check the neighbours of a cell in a matrix and replace a value
If I understand correctly from your comment at the previous answer here is a pseudo-code that can do this in a somewhat simpler ...

13年弱 前 | 0

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

約13年 前

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

約13年 前

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

約13年 前