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...

6 months 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...

6 months 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)/...

6 months 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)....

7 months 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...

7 months 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), ...

7 months 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....

7 months 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...

7 months 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...

7 months 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 ...

7 months 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('*...

7 months 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 ...

7 months 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...

7 months ago | 0

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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...

7 months 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 ...

7 months 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...

7 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...

7 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...

7 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 ...

8 months ago | 0

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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...

8 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...

8 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...

8 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...

8 months ago | 0

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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...

8 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...

8 months ago | 0

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Answered

.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...

.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...

8 months ago | 0

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Answered

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...

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...

8 months ago | 0

Solved

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...

8 months ago

Solved

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...

8 months ago

Answered

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...

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...

8 months ago | 0

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