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Bob Thompson


Last seen: 2 years ago |  Active since 2016

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Answered
How to fill array with value 0 if function returns empty []
I admit I don't entirely understand the math here, so there may be a more elegant solution. My MATLAB access is also currently d...

3 years ago | 0

Question


Find string of relative directory with regexp
I have a string in a file that I want to find and replace. The string contains a directory that is defined relative to another l...

3 years ago | 1 answer | 0

1

answer

Question


How to exclude specific results from dir
I have a series of folders: S1 A1 A1b1 A1b2 A1b1_test A2 A2b1 A2b2 ...

3 years ago | 1 answer | 0

1

answer

Answered
Repeating while loop to form matrix
You've only indexed one value (ii = 3 means it will only ever be 3), which is why you're only getting one line completed. for i...

3 years ago | 0

Question


Extracting files of the same name only from the first level of subdirectories
I have a folder structure with three levels, A, B, and C. Level A only contains the folders for B, and each B folder contains a ...

3 years ago | 1 answer | 0

1

answer

Answered
How to perfrom indexing on nested cell array ?
Are you sure things are set up the way you intend? Here are some things I've noticed: 1) Your main problem is that you're defin...

3 years ago | 1

Answered
Read in only certain numbers from a txt file.
What does your code look like so far? What are you using to extract the numbers? Off the top of my head, I recommend using some...

3 years ago | 0

Answered
symmetry x axis y axis plotting
Without seeing the code I can't be very specific. Something like the following should work: figure hold on plot(zone1x,zone1y...

3 years ago | 0

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Answered
Vectorize a double loop
Does this work? I haven't been able to test it. M((cell-1)*n^2+(1:n-2)*n+(2:n-1),(cell-1)*n^2+(1:n-2)*n+(2:n-1)-1) = 1/d...

3 years ago | 0

Answered
Find index where condition is true, or end of matrix
I appreciate the input, this is the best I was able to do: statestart = [find(Results.state==5,1) numel(Results.state)]; state...

3 years ago | 0

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Question


Find index where condition is true, or end of matrix
I have an array that represents the time based states of an analysis. I want to search the array for where a certain state start...

3 years ago | 2 answers | 0

2

answers

Answered
Index in position 1 exceeds array bounds (must not exceed 1).
You're getting the error because your e input is size 1x8, but u = e(2,j) is trying to call the second row of e, which doesn't e...

3 years ago | 0

Answered
How do I use matlab to plot a graph where the x,y axes do not intersect?
Create your figure first, then create the axes. This will allow you to specify what they are before the data gets populated, and...

3 years ago | 0

Answered
modifying variable names to enable indexing in a loop
Adjust your variable to index into a multi-dimensional array. I recommend using the first dimension, rows, for the final number ...

3 years ago | 1

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Question


Difference between switch and if
I just ran across switch being used in a code and am wonder how it differs from if. The use of switch may not have been well set...

3 years ago | 2 answers | 0

2

answers

Answered
Remove corresponding values in two arrays
How can I do this easily? Please feel free to elaborate what 'easily' means to you. Your logic for A seems pretty well set up t...

3 years ago | 0

Question


Shift sheets of matrix individually without loop
I've seen this question a couple of times, but the questions seemed to be old, and used arrayfun which seems like just another l...

3 years ago | 0 answers | 0

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answers

Answered
Combine rows and average contents in table
I'm not sure how you're defining the time time ranges but here's some psuedo code that I thought about for the rest of the proce...

3 years ago | 0

Question


Why does dir command find files not following pattern in Windows?
I have series of files that I am trying to pick up with a dir command. I'm able to get the files, but I'm also picking up one ex...

3 years ago | 1 answer | 0

1

answer

Answered
For loop indexing problem
Part of the problem is that you're trying to push a 749x2 matrix into an array of 749x1 size (BMactive(:,jj) only calls one colu...

3 years ago | 1

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Answered
easy indexing lon-loop versus loop
I think the issue is with your loop definition. You define y1 to be length(x)+M1 long, but n is defined from M1+1 to length(x). ...

3 years ago | 0

Question


Interpolating non-independent values
I'm not really sure how to ask this in a concise enough way to find it elsewhere, so I'm just going to ask a new question. I ha...

3 years ago | 2 answers | 1

2

answers

Answered
Creating Several Data Sheets
If you want to performa the reorganization with MATLAB here is an outline of one possible process to do so. 1) Read that three ...

3 years ago | 0

Answered
Counting variables, and getting last column of matrix within specific criteria
I'm not sure I entirely understand the issue with 6.9418. Are you saying you only want 6.9418 as the magnitude, even though you ...

3 years ago | 1

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Question


Linux vs Windows system commands
This may not be the forum for this, I can remove the question if it's not, but I have a script that runs a series of system comm...

3 years ago | 1 answer | 0

1

answer

Question


array2table won't accept variable name input
I am attempting to turn an array into a table before I output it into a file, and I am running into an error when I attempt to t...

3 years ago | 2 answers | 0

2

answers

Question


Looking for an alternative to regexp.
I'm looking for an alternative way to parse through strings to find bits of information, or for a way to use regexp that doesn't...

3 years ago | 2 answers | 0

2

answers

Question


Debugger not stopping on marker
I have a short code that I have put a debug marker in, before running it, but when it gets run the code moves past the marker an...

3 years ago | 1 answer | 0

1

answer

Answered
Terminating a game of tic tac toe if two entries are entered in the same cell
John has a pretty good idea with that. If you put in a logic check and a loop, you don't even need to actually quit the game, j...

3 years ago | 0

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Answered
save matrices from loop
I could be wrong, but it seems like you just need to index flow. vidReader = VideoReader('Tennis Ball.avi'); % Read the Video ...

3 years ago | 0

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