Oleg Komarov

Active since 2009

Followers: 2 Following: 0

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PhD in Financial Economics at Imperial College London.
Professional Interests: asset management, big data, systematic trading strategies, financial modelling

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okomarov/ginicoeff
A measure of statistical dispersion

ungefär 7 år ago | 2 downloads |

Question

Does appdesigner support retina displays?
As you can see from the image below, the axis created in the app designer is not crisp. Normal plots created with e.g. |plot(1:1...

ungefär 7 år ago | 0 answers | 0

0

answers

Submitted

okomarov/metastockread
Read metastock files (master, emaster, xmaster and .dat/.mwd)

ungefär 7 år ago | 1 download |

Submitted

okomarov/TidyCode
Improve readability of your code and keep it tidy

ungefär 7 år ago | 1 download |

Submitted

okomarov/tableutils
Fixes some methods of the table() class and extends it with additional features

mer än 7 år ago | 1 download |

Submitted

okomarov/wrds
Matlab API to WRDS and SAS data sets

mer än 7 år ago | 1 download |

Submitted

okomarov/schemaball
Plot correlation matrix as a schemaball

mer än 7 år ago | 5 downloads |

Answered
Batman equation in MATLAB
The "correct" version with explanations: http://math.stackexchange.com/questions/54506/is-this-batman-equation-for-real % G...

mer än 7 år ago | 3

Submitted

okomarov/passfield
Password dialog and masked edit box uicontrol for passwords

nästan 8 år ago | 2 downloads |

Submitted

okomarov/clusterreg
OLS regression with clustered standard errors

nästan 8 år ago | 2 downloads |

Answered
Performance of table data type
As already replicated in <uk.mathworks.com/matlabcentral/answers/256482-table-performance-very-slow table performance very slow>...

nästan 8 år ago | 1

Answered
Table performance very slow
I have been _using_ |table()| way before they were introduced into the core package, since _de facto_ they are the ported versio...

nästan 8 år ago | 3

Submitted

okomarov/getSubclasses
List subclasses and their dependency graph

mer än 8 år ago | 1 download |

Answered
TUTORIAL: how to format your question with markup
*CODE* <<http://img5.uploadhouse.com/fileuploads/13715/13715165c3b7057dff601f51d51cd859096f4313.gif>>

mer än 8 år ago | 3

Answered
Overriding table() methods and adding new
I adopted a solution that I fully describe on <http://stackoverflow.com/a/34999598/2180721 StackOverflow>. Development for a ...

mer än 8 år ago | 0

| accepted

Answered
[Win] R2015b crashes often, is more unstable
Support suggested to try the pre-release R2016a and I did not manage to crash Matlab on that. You can infer the rest.

mer än 8 år ago | 0

| accepted

Question

[Win] R2015b crashes often, is more unstable
Has anyone noticed that Matlab has become more unstable under R2015b? In my use case I run some intensive data crunching and es...

mer än 8 år ago | 1 answer | 1

1

answer

Question

Overriding table() methods and adding new
SETUP Win7 64b R2015b The |table()| is a <http://uk.mathworks.com/help/matlab/matlab_oop/subclassing-matlab-built-in-classes....

mer än 8 år ago | 1 answer | 0

1

answer

Answered
problem with xlswrite while obeying excel limits
I had the following error: message: '' identifier: 'MATLAB:COM:E2148140012' and it boiled down to having a col...

nästan 9 år ago | 1

Question

Screen (2D) projection of 3D plot
How can I get the *screen projection* (2D) of the following 3D plot: h = ezplot3('t', 'sin(t)', '20*cos(t)', [0 10*pi]); ...

nästan 9 år ago | 1 answer | 1

1

answer

Submitted

okomarov/importFrenchData
Download data from Kenneth French Data Library, e.g. Fama and French factors

ungefär 9 år ago | 1 download |

Submitted

nanfillts
Fill consecutive NaNs with last available value

ungefär 9 år ago | 1 download |

Submitted

okomarov/ismemberb
Ismember with reduced memory footprint through block processing

ungefär 9 år ago | 1 download |

Answered
Is it possible to rename columns in a table?
My <http://uk.mathworks.com/matlabcentral/fileexchange/50006-okomarov-tableutils |tableutils()|> has |renameVarNames()| that doe...

mer än 9 år ago | 1

Answered
Hi, I want 2 timer objects to execute sequentially, one after the other. Please help
You can use one timer and a function that alternate the state(s): tic t = timer; t.ExecutionMode = 'fixedDelay'; t...

mer än 9 år ago | 2

| accepted

Answered
How do I convert strings stored in a cell array to numbers?
Hi Alex, you cannot mix double values with char values, but you still have to use a cell array (or drop the header 'Names'). ...

mer än 9 år ago | 6

| accepted

Answered
HOW TO CONVERT PASSWORD TO ******** FORMAT USING MATLAB
An addition to the list <http://uk.mathworks.com/matlabcentral/fileexchange/47210-passfield FEX: passfield>. <<http://uk....

nästan 10 år ago | 0

Answered
asking for a password or code.
An addition to the list by Jan <http://uk.mathworks.com/matlabcentral/fileexchange/47210-passfield FEX: passfield>. <<htt...

nästan 10 år ago | 0

Question

Clear text typed with input() from the command history
The case scenario is very simple, I am asking for a password to be typed in the command window. I am using s = input(...

nästan 10 år ago | 2 answers | 0

2

answers

Question

why regexprep much slower than strrep
Consider the following simplified example: str = cellstr(repmat('987_890',1e5,1)); timeit(@()strrep(str,'_','')) time...

nästan 10 år ago | 0 answers | 1

0

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