Oleg Komarov

自 2009 起处于活动状态

Followers: 0 Following: 0

联系

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

统计数据

All

查看徽章

Feeds

提问

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...

6 years 前 | 0 个回答 | 0

0

个回答

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

7 years 前 | 3

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

7 years 前 | 1

已回答
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...

7 years 前 | 3

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

8 years 前 | 3

已回答
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 ...

8 years 前 | 0

| 已接受

已回答
[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.

8 years 前 | 0

| 已接受

提问

[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...

8 years 前 | 1 个回答 | 1

1

个回答

提问

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....

8 years 前 | 1 个回答 | 0

1

个回答

已回答
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...

8 years 前 | 1

已回答
How to apply "smart indent" to a file programmatically
*EDIT Dec 2015*: use http://www.mathworks.com/matlabcentral/fileexchange/50554-okomarov-tidycode Suppose you have this fcn s...

8 years 前 | 8

| 已接受

提问

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]); ...

8 years 前 | 1 个回答 | 1

1

个回答

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

9 years 前 | 1

已回答
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...

9 years 前 | 2

| 已接受

已回答
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'). ...

9 years 前 | 6

| 已接受

已回答
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....

9 years 前 | 0

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

9 years 前 | 0

提问

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(...

9 years 前 | 2 个回答 | 0

2

个回答

提问

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

9 years 前 | 0 个回答 | 1

0

个回答

已回答
[Bug?] Print to eps on Win produces Unix line endings
Since R2014b, on Win: it is not a bug but a change in behavior of the |print()| function. A workaround is to read in the .ep...

9 years 前 | 0

| 已接受

提问

[Bug?] Print to eps on Win produces Unix line endings
On Win7 64b with R2014b, printing a figure to .eps produces Unix line endings (LF or \n). Is this expected or a *bug*? Als...

9 years 前 | 1 个回答 | 0

1

个回答

已回答
Faster way to create Rectangles
To use patches you need first to organize the |Xdata| and |Ydata| in matrices of 4 rows, one per vertex, and as many columns as ...

9 years 前 | 3

| 已接受

已回答
How to stop parfor from launching a parallel pool automatically?
In the preferences: <</matlabcentral/answers/uploaded_files/19338/Capture.PNG>> . To edit parallel preferences programm...

9 years 前 | 7

| 已接受

已回答
fprintf \n not working properly
You are printing a 5 column row: '%12.8f %12.8f %12.8f %12.8f %12.8f \n' but supplying 6 datatpoints: Data(row_...

9 years 前 | 2

| 已接受

已回答
Save vector to m-file
Since R2014a you can use <http://www.mathworks.co.uk/help/matlab/ref/matlab.io.savevariablestoscript.html |matlab.io.saveVariabl...

9 years 前 | 1

已回答
Text out goes weird on Figure with underscores
By default the interpreter of text objects is set to |'tex'|. Set it to 'none', i.e. set(obj,'Interpreter','none') For...

9 years 前 | 0

| 已接受

已回答
Matlab creating help but ignoring the header
The help should be a continuous block of comments. This means that the |classdef| or |function| declarations constitute a termin...

9 years 前 | 0

已回答
Unexpected numerical errors in matrix/vector multiplication
The dot product implementation might differ according to the input, i.e. dot product between two vectors as opposed between two ...

9 years 前 | 2

| 已接受

已回答
Rapid Vector Matching/Search Problem
You can try to use <http://www.mathworks.co.uk/help/matlab/ref/bsxfun.html |bsxfun()|>: find(all(bsxfun(@eq, A,B),2)) Wh...

9 years 前 | 2

9 years 前 | 2

加载更多