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Flip the Y-axis ticks without flipping the plot
I guess you want something like what the ff code produces. x = 30:5:65; y = 0:5:35; scatter(x,y); yTickLabels = arrayfun...
6 years ago | 1
Hey guys, please i need help on how to validate a vector using a while loop
isValid = all(x>0) && length(x)==3;
6 years ago | 0
Not enough inpout arguments in while loop
fprintf('%4u %12.8f %12.8f %12.8f %12.8f %12.8f %12.8f\n',k,fn,x,lamda,norm(grad)) looks suspicious. fprintf appears to ...
6 years ago | 0
how to find peaks like P,Q,R,S and T detection of ecg signal for my data that i acquired for a period of 10 minutes(600000samples)through BIOPAC SYSTEMS MP45 with a sampling frequency of 1000hz?can anyone suggest me the code for my data
use the 'findpeaks' function. See the docs for more info: <https://www.mathworks.com/help/signal/ref/findpeaks.html>
6 years ago | 0
What is the easiest way to embed a text data file into a .m function so that you don't need two files.
I guess you can store your data as part of the code. Your may create an inner function or a subfunctions that initializes your l...
6 years ago | 0
What is the code that converts decimal to octal without using the built-in functions?
The following code is neither elegant nor memory efficient, but it appears to address your question: function output = dec2...
6 years ago | 0
Is it possible to run multiple scripts in different file paths from one single script?
Use the 'run' function. If you want to know how to use this function: type the command 'doc run' on the command window. Ta!
6 years ago | 0
How can I hide and unhide objects based on radio button selecions
I think you need to set the Visible property to 'off' instead of 0, and 'on' instead of 1.
6 years ago | 0
How do I ask the user for a persons name and output the birthday of the person?
I hope the attached files will help.
6 years ago | 0
How can I tell how many cores matlab has available for batch jobs?
Does this answer your question: N = maxNumCompThreads()
6 years ago | 0
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I have a text file contain the date and time like this 20180405125901 (2018-April-05 12:59:01), can matlab load the file and convert it to datetime like this 05-Apr-2018 12:59:01
try this: str = '20180405125901'; t = datetime(str,'InputFormat','yyyyMMddhhmmss')
6 years ago | 0
how to crop image
Please see this: https://www.mathworks.com/help/images/ref/imcrop.html and https://www.mathworks.com/matlabcentral/fileex...
6 years ago | 0
Column multiplication in the same matrix
I believe this works as expected: x11 = [1 2 3; 4 5 3; 2 8 3]; [nr,nc] = size(x11); for col = 1 : nc col_data = x11(:...
6 years ago | 0
Trouble reading 6 excel files (with multiple sheets) and storing each excel as a its own matrix with my loop.
ok, lets do this then: foldername = 'My Folder Path'; files = dir(fullfile(foldername, '*.xlsx')) for i = 1:length(files)...
6 years ago | 0
Trouble reading 6 excel files (with multiple sheets) and storing each excel as a its own matrix with my loop.
Doing this might help: Replacing data = xlsread(fullfile(foldername,files(i).name)); with data{i} = xlsread(full...
6 years ago | 0
Table array with numerical row names
Convert your vector of strings to a cell array of strings. v = 1 : 20; % replace with your vector row_names = arra...
6 years ago | 0
How can I find and remove the rows starting with different word?
I hope this helps. Cnew = cellfun(@char,Cnew,'uni',0); % convert the cell array contents to string index = cellfun('...
6 years ago | 1
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Column multiplication in the same matrix
Here you go: [nr,nc] = size(x11); for col = 1 : nc col_data = x11(:,col); col_prod = bsxfun(@times,col_data,x11(...
6 years ago | 1
how to match two consecutive items
Assuming that you have stored your text in a variable named "txt". The following code should do what you want. txt = regexp...
6 years ago | 0
import an easy file
In this code: [FileName,PathName] = uigetfile('../*.csv','MultiSelect','off','title','path'); FileName is simply the n...
6 years ago | 0
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How can I store the places of two different points at two different time?
I think this is what you mean: You have a time vector with elements like 150,200,etc, and a position vector with elements l...
6 years ago | 0
| accepted
read data formatted like ip address from a text file
Assuming that you want to store the data as strings, and that the delimiters are 'whitespace' and ':'. filepath = 'the_path...
6 years ago | 0
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Index satisfying multiple conditions
Just replace the '&' with '|'. Because you want the value in column 2 where the month is 1 or where the month is greater or equa...
6 years ago | 0
How can I identify push button in app designer?
Please follow the steps as outlined by the arrows in the attached picture. Basically, what you should do is 1) Select the Des...
6 years ago | 1
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How do I extract the last Time value from a .txt file using regexp?
For this particular case, the following 'regex' seems to be working: expr = '(?<=Time\s*:\s*(\d{2}:\d{2}:\d{2}\.\d{2},\d{2}...
6 years ago | 0
Plotting a function given a range of inputs
First define your vector x as: dx = 0.01; x = 2:dx:20; % where dx in the increment from one x value to the other. ...
6 years ago | 0
How to avoid Globals on a code created (complex) Figure?
Maybe this might help: <https://www.mathworks.com/help/matlab/ref/guidata.html>
7 years ago | 1
I have a problem. Help me please! I want to show a size of a picture
I guess you're not seeing the image info that you want because you of this line: s=strcat(info.Width,info.Height); The ...
7 years ago | 0
| accepted