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Bob Nbob


295 total contributions since 2016

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Answered
Can somebody explain me this code?
arrayfun is basically a for loop for all elements of an array. This code is doing the following, starting from the outside: 1)...

약 8시간 ago | 0

Answered
Help creating a loop
I did not look in great detail at your code, but it seems like you are always going to define your variables ahead of time becau...

2일 ago | 0

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Answered
How to index something in order
Something like this? y = x; y(1,end+1) = 1; for i = 2:size(y,1) if y(i,4) == y(i-1,4) y(i,end) = y(i-1,end) + 1...

2일 ago | 0

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Answered
How to pass a Matrix of cell array as a input argument to a function
In order to pass elements 'individually at the same time' you need to use something like parfor, which requires the parallel com...

2일 ago | 0

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Answered
loop through files in struct
I'm going to assume that your structure already has a variable that contains the file name, and you are just trying to reference...

2일 ago | 0

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Answered
Cycle for the matrix
Try this instead. It calculates all of the maximums at the same time and then loops through the results. I wasn't able to confir...

7일 ago | 0

Answered
Regarding the plot and for loop
The problem is occurring because your X sample is not consecutive values, but you want the loop to look for consecutive values. ...

7일 ago | 0

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Answered
The output value of the for loop is wrong
I see it now. Swap the Filter line for the following. Filter=D_Calc(D_Calc(:,jj)<PlusThreesigma(jj),jj); Basically, your logic...

7일 ago | 0

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Answered
Splitting a real number into several integers depending on position.
Why not turn the number into a string? y = num2str(x); y = y(y(:)~='.'); % Remove '.' With this you are left with the numbers...

8일 ago | 0

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Answered
How can I put the output of each iteration into one table to find averages of each row later?
The simplest way to do this is to index b. b(:,k) = spline(normalised_IQ, number_count, x); % and then down in the plot sect...

8일 ago | 0

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Answered
How do I find multiple times in one array the first index of 25 samples exceeding the threshold
If you want to retain all answers then you need to index index_preDC2 within your loop. I would suggest adding a separate counti...

8일 ago | 0

Answered
Saving values in a variable( workspace)
Both of your questions can be answered with the same concept. Because Matlab is centered around matrices, indexing in those matr...

8일 ago | 0

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Answered
filter a matix column values
The filtering can be accomplished using logic indexing. Plotting is simply a matter of storing the data separately and plotting ...

13일 ago | 1

Solved


The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

14일 ago

Solved


Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

14일 ago

Solved


Find the two-word state names
Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...

14일 ago

Answered
How to import excel file from multiple subfolders?
There are two ways of doing this. If you have a more modern version of Matlab (2016b+ I believe) you can use the dir command. f...

15일 ago | 0

Answered
How to extract rows which contains specific values in each row, then automatically repeat the process for a range.
Without direct access to your data I cannot give you a perfect solution to your data, so what I put here will likely take some f...

16일 ago | 0

Answered
Moving NaN elements from the last columns to the first column, iteratively
Do you want your numeric values in ascending order? If so you should be able to do the following: A = sort(A,2,'MissingPlacemen...

16일 ago | 0

Answered
Index in position 1 is invalid. Array indices must be positive integers or logical values. Error in pid_optimized1 (line 17) solution(K,:) = [K a m ts];
You are recieving the error because you are trying to use K as an index value, but K is not always a positive integer. for K =3...

16일 ago | 0

Answered
How get values from ch
As far as I can tell the easiest way to do what you're asking would be something like the following: price = str2num(regexp(str...

16일 ago | 0

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Answered
Index exceeds the number of array elements (4)
The error is occuring because sym_table is a 1x4 complex double array, but in the particular line you are attempting to call ele...

16일 ago | 0

Answered
Can anyone write a mathlab program for this question
Yes. I can write a Matlab program to solve that problem. Try this.

16일 ago | 0

Answered
combin 4 three dimential matrices in one matrix
You cannot directly combine a 5x3x10 and a 2x2x10 matrix into a 7x5x10 matrix within Matlab because the direct combination of ma...

21일 ago | 2

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Answered
Add a column in a CSV file
The best way to do this is to read the entire file in with csvread, add your column to the matrix, and then reprint the file wit...

21일 ago | 0

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Answered
Read specific data columns from a text file based on header name requested by user
I started to work on this, and realized that with my knowledge the code was going to be pretty ugly. If anybody knows a way to c...

26일 ago | 1

Answered
How do I split a text file at specified points?
% Load the file file = fileread('mytextfile.txt'); % Split the data at $ data = regexp(file,'.logE','split'); You may end ...

28일 ago | 0

Answered
Matlab using regexp function i want to parse string and data
There are a few things I notice here. 1) I have edited your patterns so they should capture what you're looking for. 2) It see...

약 1달 ago | 0

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Answered
coupling of coorresponding sheets of excel files
There are two ways of doing this. You can either use xlsread and load each set of data into matlab one sheet at a time, or you c...

약 1달 ago | 0

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Answered
Plots in excel sheets using matlab
If you want to create a plot in the excel sheet directly you need to use the ActXServer capability. Here is a brief layout of w...

약 1달 ago | 0

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