Answered

Choose a cell array that satisfy better some criteria

Ok, here is what I have come up with. It will probably still need some tweaking, but you should be most interested in the calcul...

Choose a cell array that satisfy better some criteria

Ok, here is what I have come up with. It will probably still need some tweaking, but you should be most interested in the calcul...

4 days ago | 0

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Answered

Is the find function a robust method to determine the number of specific values in a Matrix?

That method will certainly work, and I would generally use the same concept. I would just use the sum command though to avoid th...

Is the find function a robust method to determine the number of specific values in a Matrix?

That method will certainly work, and I would generally use the same concept. I would just use the sum command though to avoid th...

6 days ago | 1

| accepted

Answered

can any one explain this line of the code.

Per matrix math rules, when you add a single value to a matrix, that operation is applied to all values of the matrix individual...

can any one explain this line of the code.

Per matrix math rules, when you add a single value to a matrix, that operation is applied to all values of the matrix individual...

7 days ago | 0

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Answered

Find all the words contained in a file and make an index

You are on the right track, but you aren't calling the word index correctly. Also, I would suggest using strfind instead of the ...

Find all the words contained in a file and make an index

You are on the right track, but you aren't calling the word index correctly. Also, I would suggest using strfind instead of the ...

16 days ago | 0

| accepted

Answered

Describing a sum with a while loop

I'm pretty sure that adding a big number to 0 will bump you over pi on the first iteration, but maybe that's just me. I would do...

Describing a sum with a while loop

I'm pretty sure that adding a big number to 0 will bump you over pi on the first iteration, but maybe that's just me. I would do...

17 days ago | 0

Answered

Select value from the list by defining criteria

I would use readtable to import the data, the logic indexing to narrow down the results. data = readtable('mydata.xlsx'); redu...

Select value from the list by defining criteria

I would use readtable to import the data, the logic indexing to narrow down the results. data = readtable('mydata.xlsx'); redu...

18 days ago | 0

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Answered

How to make matlab variables named as excel header

It sounds like readtable might be what you're looking for. I don't think it's exactly what you're asking, but it should recogniz...

How to make matlab variables named as excel header

It sounds like readtable might be what you're looking for. I don't think it's exactly what you're asking, but it should recogniz...

21 days ago | 0

Answered

Matrix from an array

Not sure how to do it without a loop or just defining the indices, but here's something simple. A = 1:15; for i = 1:length(A)/...

Matrix from an array

Not sure how to do it without a loop or just defining the indices, but here's something simple. A = 1:15; for i = 1:length(A)/...

22 days ago | 0

Answered

I want to circular shift rows of ' ww ' this circular shift depend on the numbers of 'r' array in the order , when the r numbers is change the circular shift is change for the ww array rows .

If I am understanding r correctly, you want to move the respective rows from their current positions to that position plus r(i)....

I want to circular shift rows of ' ww ' this circular shift depend on the numbers of 'r' array in the order , when the r numbers is change the circular shift is change for the ww array rows .

If I am understanding r correctly, you want to move the respective rows from their current positions to that position plus r(i)....

28 days ago | 1

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Answered

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...

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...

1 month ago | 0

Answered

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), ...

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), ...

1 month ago | 0

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Question

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....

1 month ago | 0 answers | 0

Answered

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...

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...

1 month ago | 0

Answered

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...

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...

1 month ago | 0

Answered

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 ...

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 ...

1 month ago | 0

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Answered

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('*...

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('*...

1 month ago | 1

Answered

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 ...

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 ...

1 month ago | 0

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Answered

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...

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...

1 month ago | 0

| accepted

Answered

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...

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...

1 month ago | 1

Answered

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 ...

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 ...

1 month ago | 0

Answered

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...

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...

2 months ago | 0

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Question

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...

2 months ago | 1 answer | 0

Answered

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...

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...

2 months ago | 0

Answered

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 ...

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 ...

2 months ago | 0

| accepted

Answered

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...

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...

2 months ago | 0

Answered

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...

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...

2 months ago | 0

Answered

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...

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...

2 months ago | 0

Answered

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...

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...

2 months ago | 0

| accepted

Answered

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...

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...

2 months ago | 0

Answered

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...

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...

2 months ago | 0

| accepted