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Extract Variable/column with variable name from table
I believe you can get this as a return. T.Properties.VariableNames % T is the table variable Additionally, because you're putt...

más de 6 años hace | 1

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My code is generating this error " Index exceeds matrix dimensions" . Apparently it looks fine. Still can not figure out the problem.
dfdc1(i,j) = (L/M) - M*(log(1 - c1(i,j) - c2(i,j)) - log(c1(i,j)))/M; c1 and c2 are defined as single values (0.1 and 0.0001), ...

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Pregunta

Extracting data from ascii file using regexp
I have an ascii file which produces the following text. 1 $FLAG1 NP1=8.,NP2=1.,P2=2.36,P3=3000000., 2 P1=0.,4....

más de 6 años hace | 0 respuestas | 0

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Create variable from an excel entry
Hmm, I normally wouldn't recommend anybody do this, and others might still disagree, but I think eval will do what you're lookin...

más de 6 años hace | 0

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Removing nested for loops for quicker time
I'm shooting in the dark a bit on this one, but I think you can get rid of both loops. The only thing I'm not entirely sure abou...

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Array indexing, matrix indexing
Personally, I don't think the loops are necessary. It's not much cleaner looking than the loops, but I suspect it will run more ...

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picking up data file in each iteration
The best way I know how to do this is by listing all of the files using dir, and then looping through the files. flist = dir('*...

más de 6 años hace | 1

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Forloop taking too long to execute in code
Some things that I have noticed. [Dim1, Dim2, Dim3] = size(blind(1).VMPData); fmap = zeros(175, 121, 139); Might be smart to ...

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Respondida
How do I add text to the top of a CSV file?
The best way I have found to do this is with a combination of fprintf and dlmwrite. While csvwrite is nice for writing out the d...

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Respondida
Can somebody explain me this answer?
a=[1 2; 3 4]; % Dictates a matrix, 'a,' and it values. Is a 2x2 matrix a(3*ones(2)) % Calls the elements of 'a' which are locat...

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Finding the maximum output value and corrosponding input for a function
I'm going to make some assumptions with this answer, but I will try to explain them. The first assumption is that you know how ...

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Respondida
How do I create 2 separate matrices which are pair-matched to each other in the corresponding row from 2 original CSV files?
This is a first cut at how I would set up the loop and arguments. for i = 1:size(A,1) tmp = B(B(:,6)==A(i,6),:); C(i...

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Pregunta

Compare two meshes for difference in values
I feel like I should know how to do this, but apparently I don't have the patience to figure it out today. I have two 'mesh g...

más de 6 años hace | 1 respuesta | 0

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large excel data into multiple excel file using xlswrite ?
M.Prasanna kumar is definitely on the right track. The only suggestion I would make is not to create multiple new matrices, just...

más de 6 años hace | 0

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Compare row by row of two arrays and write in array, if there are matching values
I think intersect is a much better choice here than find. Because you are looking for specific row results I'm not sure how to ...

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Respondida
selecting columns with certain time period and placing in new array
In general, I would make an effort to extract the data using logic indexing. You can certainly convert the mdy into a datetime v...

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Respondida
Name Structure in a for loop
I'm going to guess that this line is the incorrect one: name.(field_names(k,1))(count,1) = data_struct_sorted_unique.(field_nam...

más de 6 años hace | 0

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Empty index from loop
find(dates==i) This is not looking for the actual dates, because i is just an index integer, i.e. on the first loop you are loo...

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How to find and remove certain text from a text file
As I mentioned, the command would only work for one line at a time. You would need to loop it to get all the lines. fid = fopen...

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Respondida
With activeX server running Excel, access the cells syntax on range property
I used to do this by creating a variable ('range' for simplicity) that was defined with string concatenation. Because you want t...

más de 6 años hace | 0

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Operations using individual elements in a matrix?
The problem is because you are looking to index X(ii, jj) but you have defined the bounds of ii and jj as the number of elements...

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Respondida
.Selecting the data series for next loop
Is y a single value? I'm not entirely sure I know what you're asking for, but maybe something like this can work? y = randi(10...

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Respondida
Detect maximum value of multiple Excel-Files
The cleanest way that I can think of doing this is to just loop things. You may need to change the range you are looking to find...

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Resuelto

Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...

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Resuelto

Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...

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Respondida
Create an excel sheet from data stored in variable used in a for loop
From what you've posted, which is a bit vague, it seems like all you need to do is index your results and then use xlswrite to p...

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Dot indexing not supprted for variables of this type.
You're getting the error because you're calling params like a structure, 'params.DoD_phi(1),' but you previously defined params ...

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Respondida
Reading a complex text file and building a matrix
I have not been able to utilize your example file, it's a limitation on my end. That being said, this is how I would look at do...

más de 6 años hace | 1

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Import/convert an Excel file with more worksheets into a structure with more fields, one field for each worksheet
Generally, importing multiple excel sheets is done by calling the xlsread command multiple times. One of the flags of the comman...

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Respondida
Manipulation of multiple cell arrays
1) You don't want an & for this type of logic, because you want to remove anything that is less than 0.9, OR greater than 1.1. I...

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