Paul Shoemaker
MatlabInvesting.com
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Engineer and market investor/trader. Website: MatlabInvesting.com: "Leveraging the Power of Matlab to Profit in the Markets" Providing knowledge articles and community on how to use Matlab for investing purposes. I also have a Matlab toolbox that interfaces directly with TD Ameritrade (and by extension, Thinkorswim) to conduct automated trading strategies.
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Feeds
How to find the position of the elements of a matrix?
Check out the ind2sub Matlab function. Paul Shoemaker MatlabInvesting.com
casi 5 años hace | 0
| aceptada
best option for storing metadata associated to each data file
Hello Lilly, If your data really is time-based then you should consider formatting the data to be a timetable, which have Prope...
casi 5 años hace | 1
Enviada
mergeStructs
Helper function to merge separate/disparate data structures
casi 5 años hace | 3 descargas |
Enviada
createCarbonCopy
Reads the contents of the supplied ASCII file(s) and place in a structure
casi 5 años hace | 1 descarga |
Enviada
dispinline
prints to the command window, like the built-in disp, but unlike disp, it overwrite previous calls to keep printing on a single ...
casi 5 años hace | 1 descarga |
How to use persistent variables inside parfor method of a custom object class?
Hey folks, I ended up going with Walter's first approach using FOR loop with parfeval within, very close to what I posted above...
alrededor de 5 años hace | 0
How to use persistent variables inside parfor method of a custom object class?
Thanks for the great info all around here. To clarify on the use case, here's a bit more about what's going on: An authenticat...
alrededor de 5 años hace | 0
Pregunta
How to use persistent variables inside parfor method of a custom object class?
There is a similar entry on using persistent variables with spmd/parfor (https://www.mathworks.com/matlabcentral/answers/233648-...
alrededor de 5 años hace | 4 respuestas | 2
4
respuestasSuccessful webwrite, but empty response/output?
Hey all, Seems like I stumbled into an echo chamber on this topic. I figured out how to get this to work. The solution can be f...
alrededor de 5 años hace | 3
| aceptada
Ways to finesse HTTP HeaderField constraints?
Hey folks, I think I may have fixed the issue. The trick seems to be creating a GenericHeader object, which does not validate s...
alrededor de 5 años hace | 5
| aceptada
Pregunta
Ways to finesse HTTP HeaderField constraints?
Hey folks, Webwrite isn't meeting my needs for POSTing data to a RESTful web service, so I decided to go with the lower level m...
alrededor de 5 años hace | 1 respuesta | 0
1
respuestaPregunta
Successful webwrite, but empty response/output?
Hey everyone, I'm using webwrite to POST stock orders to TD Ameritrade using their API. For this to work, I need to define an a...
más de 5 años hace | 1 respuesta | 0
1
respuestaChanging name of structures
Hello Esteban, I agree that the naming of these structures is unfortunate. You would be better off structuring your data like...
alrededor de 6 años hace | 0
| aceptada
Appending data based on same dates
Hello Lee, You might want to convert these two tables to timetables and then combine them using various functions, such as "s...
alrededor de 6 años hace | 0
Detecting new .txt file in a folder how can i read all the files through fileread command
Ahmad, Hard to say exactly what the issue is without having more information, but it looks like your "nameslist" variable is ...
alrededor de 6 años hace | 0
| aceptada
How to convert my Matlab code into an Excel add-in?
Ji Li, I'm not sure about doing an add-in, but have you considered using the Matlab command "xlsread" to read an Excel spread...
más de 6 años hace | 0
Read in files with loop
You could wrap it in a FOR loop and employ the "eval" function. lastn=1; clear clc for idx = 200:25:90...
más de 6 años hace | 0
Rearrange matrix into single row
reshape(b',1,numel(b)) % Note the transpose ('), this is important. Paul Shoemaker http://www.matlabinvesting.com
más de 6 años hace | 0
| aceptada
Enviada
renameFields
Utility to rename all fields in a structure (or character array) using several different naming conventions.
más de 6 años hace | 1 descarga |
Enviada
scan4errors
Scans folders for Matlab files that have MLINT errors and warnings
más de 6 años hace | 1 descarga |
Enviada
nnow
Similar to the Matlab built-in "now.m" function, except "nnow.m" returns the time at the New York Stock Exchange (NYSE)
más de 6 años hace | 1 descarga |
Is it possible to run terminal commands from matlab ??
Have you looked at the "system" and "dos" functions in Matlab? It sounds like they might do what you need. Paul Shoemaker ...
más de 6 años hace | 0
Speed performance: Find all y-vector entries that have the same value in an x-vector of equal length.
If you're trying to avoid a FOR loop you can use arrayfun, although I'm not sure it improves speed. It would look something l...
más de 6 años hace | 0
How to open multiple folders for processing?
Hema, Since you don't provide more concrete details about your specific circumstances (code, examples, purpose, etc), I will ...
más de 6 años hace | 0
How can I open GUI in matlab 2014a?
This appears to be a Java problem and may indicate a Java Runtime Environment (JRE) version or installation problem, or maybe an...
más de 6 años hace | 0
how to detect circle using hough transform for color image?
Have you searched the Matlab File Exchange? <https://www.mathworks.com/matlabcentral/fileexchange/34365-circle-finder This one> ...
más de 6 años hace | 0
| aceptada
Plotting a function with a given range of values.
X is a vector in this case, so you have to alert Matlab to treat it on a per-element basis with the use of "." before division/m...
más de 6 años hace | 0
How to access all subdirectorie?
Newer version of Matlab allow dir to operate recursively. Simply modify your original dir call like so: files = dir(['M:' f...
más de 6 años hace | 1
import only selected row in file data
There are countless options for doing this and your problem appears to be fairly general purpose. Take a look at <https://www.ma...
más de 6 años hace | 0
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