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Eric Sampson


Seagate Technology LLC

Aktiv seit 2013

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Professional Interests: Signal processing

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Frage


Dealing with Change Notification Handle issues with M files on network shares - ideas?
Hi all, have any of you come up with solutions (either client or server settings) to the infamous "Warning: Could not get change...

mehr als 9 Jahre vor | 1 Antwort | 0

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Beantwortet
Multithreaded sparse matrix multiplication?
I believe the sparse matrix code is implemented by a few specialized TMW engineers rather than an external library like BLAS/LAP...

mehr als 10 Jahre vor | 0

Beantwortet
MATLAB R2014b Error on Startup
Try issuing this command (save your original PATH to a .mat file if you care about wanting to be able to recreate it): restor...

mehr als 10 Jahre vor | 6

| akzeptiert

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Where are the mathematics behind scatteredInterpolant documented
If you contact Support and ask very nicely, they might be able to provide information about this... I have vague recollections t...

mehr als 10 Jahre vor | 0

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How to generate square-ish rectangle dimensions for any specified area
Hi all, given an arbitrary positive integer N, how can I calculate two integer factors A and B subject to A*B = N with the restr...

mehr als 10 Jahre vor | 1 Antwort | 0

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Windows Custom Device Driver Control
Hi Tom, my initial thoughts would be to investigate one of the following: a) write a C/C++ dll API for your driver, and then ...

mehr als 10 Jahre vor | 1

| akzeptiert

Frage


Fast location of zero crossings with interpolation
Hi all, I've got data that looks like this: clean = sin(1:0.2:2e5); noise = -0.03 + (0.06).*rand(size(clean)); data =...

mehr als 10 Jahre vor | 2 Antworten | 0

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PARFOR behavior sensitive to comments???
Matt, what happens if you create the anonymous function inside the parfor loop? If that helps, but if in actual code you need to...

fast 11 Jahre vor | 1

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Is there a way to make device memory persist between CUDA MEX calls
Matt, see if the methods discussed in the following thread could be adapted for your use: http://www.mathworks.com/matlabcentral...

fast 11 Jahre vor | 0

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Arrayfun scalar expansion (non-uniform output)
Use a for loop instead of arrayfun?

mehr als 11 Jahre vor | 0

Frage


value classes - do you use them? I must be doing something wrong...
So I can't really recall ever creating a value class, all mine seem to be handle classes. Is that the same as your experience? U...

mehr als 11 Jahre vor | 1 Antwort | 1

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How to perform a 'chunked average', similar to a rolling average?
Hi, I don't know what the right terminology is, but I'd like to know if there is a nice vectorized syntax for calculating a 'chu...

mehr als 11 Jahre vor | 1 Antwort | 0

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Are accumarray/cellfun/arrayfun/etc multithreaded?
As per the subject line, anyone know? If not, could this be done by TMW without a lot of effort?

mehr als 11 Jahre vor | 2 Antworten | 2

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Conditional cumsum - how to create?
This is probably easy, but my brain isn't working today... How can you do the following operation in a vectorized way? I'd th...

mehr als 11 Jahre vor | 2 Antworten | 0

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Frage


Generate a comma-separated list from a numeric array?
Is there a way to generate a comma-separated list from a numeric array without generating a temporary cell array? If not, would ...

mehr als 11 Jahre vor | 1 Antwort | 3

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onCleanup - do different things based on how you entered it.
Hi, I've got a function where we want to run some code if there is an error, or a Ctl-C, but not if the function exits normally....

mehr als 11 Jahre vor | 1 Antwort | 0

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Anyone figure out how to send code from FireFox/Chrome to MATLAB for evaluation?
In the MATLAB Help Browser, you can right-click a text selection and choose 'Evaluate Selection' to evaluate it in the MATLAB Co...

mehr als 11 Jahre vor | 2 Antworten | 1

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Frage


Do you ever make use of non-uniform arrays of structures?
Loren explained in the following comment on her blog that certain vectorized struct assignment syntax is not currently allowed b...

fast 12 Jahre vor | 2 Antworten | 0

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Using conditional breakpoints to print out value
Hi, I'm interested if it would be possible to use/abuse(?) conditional breakpoints to print out the value of a variable to the c...

fast 12 Jahre vor | 3 Antworten | 1

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How to create variability charts?
I'm trying to find a way to recreate <http://www.jmp.com/support/help/images/Comparing_Multiple_Variables_4.png JMP-style variab...

fast 12 Jahre vor | 2 Antworten | 0

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Frage


array of structures to cell array via comma-separated list
Suppose I have the following array of structs: data(1).f1 = 1; data(2).f1 = 2; data(1).f2 = 'foo'; data(2).f2 = 'b...

fast 12 Jahre vor | 1 Antwort | 0

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conditional array extraction based on control array
If I understand your question correctly, try this: z=y(intersect(x,c));

fast 12 Jahre vor | 0

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Strategies to store/load 'configuration' data
Hi, we often have the need to store/load configuration data, for hundreds of cases. Current practice is to store it in an M-file...

fast 12 Jahre vor | 2 Antworten | 0

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Discussion about Answers & Votes
Hi all, a couple questions/thoughts for the community: 1) Would you like to be able to Accept multiple answers? I think this ...

fast 12 Jahre vor | 5 Antworten | 4

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Make dataset arrays part of base MATLAB?
Hi all, I was wondering if anyone else wished that the Statistic Toolbox's dataset arrays were included in base MATLAB. They are...

fast 12 Jahre vor | 3 Antworten | 2

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How to create a struct from a cell array of fieldnames and a cell array of values?
How can you take a cell array array of fieldnames and a cell array of values, and convert them into a structure without looping?...

fast 12 Jahre vor | 2 Antworten | 0

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How to SAVE data to disk in a background thread?
Has anyone figured out a way to run the SAVE command in a background 'thread', so that MATLAB can keep on running code while the...

fast 12 Jahre vor | 2 Antworten | 0

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