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Stephen


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Last seen: 2 years ago |  Active since 2013

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Cannot find function figure1_KeyPressFcn in GUI code file
In the GUIDE editor, when I right click on the figure and go to add a callback, pressing the KeyPressFcn callback selection yiel...

7 years ago | 1 answer | 0

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answer

Answered
how to speed up the simulation time ?
The amount of speedup you can expect depends on the algorithms you're using. If you are doing a simulation that can be paralleli...

7 years ago | 0

Answered
how can I erase data from edit text boxes in gui?
Under: %limpiar area de grafico cla %limpiar tabla set(handles.uitable1,'data',''); %limpiar textboxs set(ha...

7 years ago | 0

Answered
Detect "rough" triangular shape of two objects closeby
Try the Generalized Hough Transform. There is an entry for it on the matlab file exchange as well: https://www.mathworks.com/mat...

7 years ago | 0

Question


Time Delay Estimation for Monotonically Increasing Funcitons
I am trying to use cross correlation to find the time delay between two signals. Both signals follow a logarithmic growth patter...

7 years ago | 1 answer | 0

1

answer

Question


Robust SPMD-like structure
I'm interested in running some subroutine on different sets of data in parallel. Sometimes, a dataset will cause errors in the s...

9 years ago | 1 answer | 0

1

answer

Question


Speeding up a batching process that takes too long
I have been using the batch() function to run a needy process in the background using multiple workers in a local pool. The prob...

9 years ago | 1 answer | 1

1

answer

Question


Disabling Cntrl+Left Click = Right Click
Apparently Matlab evaluates the following events as identical (within a callback function designed to handle mouse buttondown ev...

10 years ago | 1 answer | 1

1

answer

Question


Data density exceeds Plot Pixel Density
I am using imagesc to display a large 2-D dataset as a color map. Since this dataset is large, what I notice is that there are d...

10 years ago | 0 answers | 0

0

answers

Answered
Updating handles from within Position Changed Callback
While I did not solve the problem, I did come up with a work-around which does what I need, in case anyone comes after me has th...

10 years ago | 0

Question


Updating handles from within Position Changed Callback
I have defined an impoint roi object inside of an axis. I've set up the impoint with a callback for position changed function, a...

10 years ago | 2 answers | 0

2

answers

Question


Turning HitTest off for imrect
I have been trying to turn the HitTest property off for an imrect object, such that I can click on objects behind it. However, a...

10 years ago | 3 answers | 1

3

answers

Answered
Filling a matrix row by row and saving it to a .mat file
I think what you're after is horizontal concatenation. One way: a = 1; %a has to be defined first %then inside of...

10 years ago | 0

Question


Cluster with 8 workers runs only one job at a time
I am using a local cluster (parcluster) to run 6 jobs. When I examine my cluster, I see that it reports 8 workers. Since I'm sub...

10 years ago | 1 answer | 1

1

answer

Question


Making multiple batch calls quickly
Hi all, I have built a GUI which performs 120 function calls at around 5 seconds execution time each. What I've tried to do i...

10 years ago | 0 answers | 1

0

answers

Question


Discontinuities in LFM chirp signal
Hi All, I am generating a customized bidirectional chirp signal using the built-in CHIRP function. I am doing this by generat...

11 years ago | 0 answers | 1

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answers