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help with Tic Tac toe
Hmm, maybe I spoke too soon on the centering. Size can be set by adding a 'name,value' pair to the text command. text(x,y,play...

3 years ago | 0

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Question

dlmwrite does not append to file
I am writing headers and data to a text file, and I am able to write the headers using fprintf, so I know my filepath is correct...

3 years ago | 1 answer | 0

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Access matrix values inside of a function
I believe this is the purpose of global variables, but I could be wrong. I don't really use them much.

3 years ago | 0

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Answered
How to average each row from two indivisual comlum vectors?
The mean command has an option to average in a specific dimension. A = [1 4; 2 3; 3 2; 4 1]; B = mean(A,2);

3 years ago | 0

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Changing work space values
To change values for existing variables, you can define the new values for the variable in the command line, write/edit a script...

3 years ago | 0

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How to pick files from sub-folder
I recommend using dir to capture all the contents of your parent folder within a variable. Then you can use the contents of that...

3 years ago | 0

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How can I allow the user to choose what to do?
Some basic ways to get input from the user include commands such as uigetfile, uigetdir, and input. I recommend the last, couple...

3 years ago | 0

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Answered
How can I use loop to produce multiple graphs?
If you want individual graphs, add the following inside the loop, before the yyaxis command: ... figure(i) yyaxis left ... ...

3 years ago | 0

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Close actxserver file after deleting variables
For the record, I never did find a way to do this, instead I put a bit of code at the beginning of my script to look for an open...

3 years ago | 0

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Answered
How to pull specific data from multiple excel sheets into a single table
Reading excel files in with MATLAB can be done in a couple of different ways. First is xlsread, which might be the most applicab...

4 years ago | 0

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How to remove rows or Cols in MATLAB?
You can remove a section of an array in MATLAB by redefining the array without that specified section. For your example, of you ...

4 years ago | 1

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Loop through a list of excel file names in a folder
I recommend something like dir for automatic retrieval. Should be able to set it to find excel files only. pathname = 'yourfile...

4 years ago | 0

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Interpolating missing values according to time vector
I don't know if there is a single command that would do what you're asking, though others might know of one. A fairly concise w...

4 years ago | 1

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Interpolate value of point
I'm assuming you have the data for the surface points. If so, I believe interp2 will do what you're asking.

4 years ago | 0

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Question

Close actxserver file after deleting variables
I have a script that opens an excel workbook in the actxserver so it can create plots for some data. I have been modifying the c...

4 years ago | 1 answer | 0

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Using for loops in order to find average of matrix
You can use mean to average all values in a certain direction. mu = 2; SD = 3; m = 1000; n = 100000; random_matrix = randn(...

4 years ago | 1

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Answered
Plotting for a Loop
Each time you run the plot command you're only plotting a single point, which doesn't work very well with plot. I recommend y...

4 years ago | 0

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Indexing to return segments
I can't actually use ischange in my version of MATLAB, so take what I suggest with a grain of salt. It looks like the index out...

4 years ago | 1

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loop: stop if value repeats
I'm assuming you have all four of these commands within some kind of loop. Without the loop I have not tested what I'm going to ...

4 years ago | 0

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How to sequentially import csv files, access, edit and save the data?
To save the results of a command each time you go through the loop you need to index the output. I recommend just adding a struc...

4 years ago | 0

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Creating matric of multiple arrays
You should be able to accomplish what you're looking for with some matrix indexing, no loop necessary. x = 1:100; k = 12; a =...

4 years ago | 0

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What is wrong with this code?
I would think you could do this with cellfun and some logic, but I could be wrong. cellfun(@(s) s((1:end)<0,1) = NaN,Radiidiffe...

4 years ago | 0

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Textscan for comma seperated file with mixed format
Have you tried using readtable? It has a delimited text option, and tends to be a bit better about handling different types of d...

4 years ago | 0

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Help with MATLAB code on low rank assumption using nuclear norm using CVX and Matlab!
I believe the issue is with calling Xe(:) instead of Xe. Others who know more might be able to correct me, but my working theory...

4 years ago | 0

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Error in importing the matlab ouput to excel file
It looks like you're trying to output a symbolic variable to excel, which I don't think is allowed. Try converting to double fir...

4 years ago | 0

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multiple matrix step through for loop
Instead of doing a loop you can just do a bit of logic to the arrays. risk = ones(length(age),1,1); risk(age>=75&bmi>=50&smoke...

4 years ago | 0

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Answered
For loop to repeat the loop with different set of value
You are seeing only the final results because you do not have your output variables indexed. for i=1:length(SNRDB) f...

4 years ago | 0

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Read every file in a folder
To get information on all the files in a folder use dir, or getdir. From there, just loop through the elements of the dir output...

5 years ago | 0

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Store values in an array from loop
I'm not sure what you mean by printing the 'name' associated to a data set, but there are my modifications to what you have setu...

5 years ago | 0

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Answered
i need some help
If I'm understanding what you're trying to do, you're only missing parentheses. >> n = 10; >> p(10) = 2; >> p(n) p(n) = ...

5 years ago | 0