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Azura Hashim


18 total contributions since 2016

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Question


IQFeed market depth and time series not working
Hi, The following didn't work for me. Help please. Retrieving market depth data - Got the error "The variable IQFeedLevelTwoDa...

3 days ago | 0 answers | 0

0

answers

Question


timeout on input prompt
Hi, I need to implement a timeout on an input prompt. I have found similar questions but all the answers implement a dialog b...

1 year ago | 1 answer | 0

1

answer

Question


Feature selection with NaN
Hi, I have a high dimensional data where I've managed to build a classification model using fitctree that is returning satisf...

1 year ago | 1 answer | 0

1

answer

Question


How to optimise classification learner for a specific class
Hi, Is it possible in the classification learner app to prioritise the accuracy for a specific class? For example, if I have ...

1 year ago | 1 answer | 0

1

answer

Question


Vectorizing a loop calculation
Hi, Is it possible to convert the loop below into a vector calculation? Thank you. dataset=table(); dataset.value=rand(...

1 year ago | 0 answers | 0

0

answers

Question


Visualising matlab results in PowerBI
Is there a way of using PowerBI to visualise variables in the Matlab workspace, without having to write the data to a file or da...

2 years ago | 3 answers | 0

3

answers

Question


Fast and simple trend
Hi, I need a fast and simple way to calculate the trend of a variable at each point in time for data over the preceding 1 hou...

2 years ago | 2 answers | 0

2

answers

Question


database returns null as -2147483648
When I executed a query using MySQL console null values returned correctly. But when I queried the same data using database func...

2 years ago | 0 answers | 0

0

answers

Question


Converting loop to vector operation
Hi, I have a large dataset where I calculate the value of some result in each row based on data in preceding rows. Currently ...

2 years ago | 1 answer | 0

1

answer

Question


Asynchronous parallel processing when a worker is available
Hello, I need to write a script that: # Builds an input array for a function. # When there is an available worker, assig...

2 years ago | 1 answer | 0

1

answer

Question


Array function for ranges
Hi, I have a binary image in a matrix, call it binarymage. I then want to determine whether various areas in the image are wh...

2 years ago | 2 answers | 0

2

answers

Question


High speed OCR and parallel processing
Hello, I've written a number of programs to read tabular data in images using Matlab's ocr function. I have cleaned up the im...

2 years ago | 1 answer | 0

1

answer

Question


Reading table from screen
Hi, I need to continuously read tabular data from a browser into Matlab arrays. Scraping is not an option. I came across an O...

3 years ago | 0 answers | 0

0

answers

Question


Recommendation for Matlab consultant
Hi I'm looking for a Matlab consultant to write some programs. I know of Yair Altman but also looking for other consultants out ...

3 years ago | 0 answers | 0

0

answers

Question


Fast data access (database or store in array)?
Hi, I have data stored in a local mysql database but it takes a few seconds for Matlab to do the query and read it into a mat...

3 years ago | 0 answers | 0

0

answers

Question


table variable name based on array
Hi, is it possible to assign table variable name based on strings in an array. For example: colnames={'a' 'b'}; a=[1;2];...

3 years ago | 2 answers | 0

2

answers

Answered
Database toolbox downloading individual data as cell arrays
Excellent, this works. Thanks for your help.

3 years ago | 0

Question


Database toolbox downloading individual data as cell arrays
Hi, I am using database toolbox to fetch data using MySql. However the fetched data matrix consists of individual values as cell...

3 years ago | 2 answers | 0

2

answers