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JohnDylon


Boston University

11 total contributions since 2016

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Question


Variable not found in parfor loop
If I run the script: z=1:1000; parfor i=1:numel(z) zfun(z(i)) end which calls the function: functi...

3 years ago | 1 answer | 0

1

answer

Question


How to view content of a variable in a script while a called function is running and paused?
I want to view a variable content while a subsequent function is running and paused. Example: var_of_interest=ZZ(3,5); ...

3 years ago | 1 answer | 0

1

answer

Question


Plot figures in loop as superimposed top on top
Similar questions should have been asked however I couldn't get a solution. Plot can superimpose these loop figures onto one...

3 years ago | 1 answer | 0

1

answer

Question


find function on specific row and column of an array.
Hi, I used find function in order to find row location of an array cell. To illustrate in an example: A=magic(10) ...

3 years ago | 2 answers | 0

2

answers

Question


Min-Max normalization for uniform vectors
Hi, Can anyone have any point on how to normalize a single number, say 1000, into a range of [-1,1]? Or even a uniform vecto...

3 years ago | 2 answers | 0

2

answers

Question


Merge elements of a row into a single element array
Hi, I want to merge each row of CHAR type matrix BB=[C I M G 2 8 3 0; C I M G 2 8 3 2; C I M G 2 8 3 3; C I M G 2 8 3 4]...

3 years ago | 1 answer | 0

1

answer

Answered
Appending image frames to existing avi file
I found a workaround. Since writeVideo can't append frames to a closed video file, (in my case) closing video in an appropriate ...

4 years ago | 0

| accepted

Question


Appending image frames to existing avi file
Can anyone suggest how to append frames to an existing video file? I tried the code below in a for loop, however what I get is i...

4 years ago | 2 answers | 0

2

answers

Question


Alternative methods for growing up matrices?
Hello, community, I'm working on video frames. Starting from the first frame until the last frame of a video, my work simply ...

4 years ago | 0 answers | 0

0

answers

Question


Sequential image writing in a loop
Hi, I'm trying to develop a code simply reads frames from a video, processes the frames and then writes them back to an outpu...

4 years ago | 2 answers | 0

2

answers

Answered
Sequential image writing in a loop
For the naming as 001.png part I've already had the solution as: imwrite(RGB,['C:\Users\John\MATLAB\bin\', sprintf('%3.3d...

4 years ago | 0