photo

Oleg Komarov


Con actividad desde 2009

Followers: 0   Following: 0

Mensaje

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

Estadística

All
  • Scavenger Finisher
  • 12 Month Streak
  • Thankful Level 4
  • Speed Demon
  • Commenter
  • Personal Best Downloads Level 2
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • GitHub Submissions Level 3
  • First Submission
  • Guiding Light

Ver insignias

Feeds

Pregunta


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...

más de 6 años hace | 0 respuestas | 0

0

respuestas

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

más de 7 años hace | 3

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

más de 7 años hace | 1

Respondida
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...

más de 7 años hace | 3

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

alrededor de 8 años hace | 3

Respondida
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 ...

más de 8 años hace | 0

| aceptada

Respondida
[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.

más de 8 años hace | 0

| aceptada

Pregunta


[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...

más de 8 años hace | 1 respuesta | 1

1

respuesta

Pregunta


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....

más de 8 años hace | 1 respuesta | 0

1

respuesta

Respondida
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...

más de 8 años hace | 1

Respondida
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...

más de 8 años hace | 8

| aceptada

Pregunta


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]); ...

más de 8 años hace | 1 respuesta | 1

1

respuesta

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

alrededor de 9 años hace | 1

Respondida
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...

alrededor de 9 años hace | 2

| aceptada

Respondida
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'). ...

alrededor de 9 años hace | 6

| aceptada

Respondida
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....

más de 9 años hace | 0

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

más de 9 años hace | 0

Pregunta


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(...

más de 9 años hace | 2 respuestas | 0

2

respuestas

Pregunta


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

más de 9 años hace | 0 respuestas | 1

0

respuestas

Respondida
[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...

más de 9 años hace | 0

| aceptada

Pregunta


[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...

más de 9 años hace | 1 respuesta | 0

1

respuesta

Respondida
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 ...

más de 9 años hace | 3

| aceptada

Respondida
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...

más de 9 años hace | 7

| aceptada

Respondida
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_...

más de 9 años hace | 2

| aceptada

Respondida
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...

más de 9 años hace | 1

Respondida
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...

más de 9 años hace | 0

| aceptada

Respondida
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...

más de 9 años hace | 0

Respondida
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 ...

más de 9 años hace | 2

| aceptada

Respondida
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...

más de 9 años hace | 2

Respondida
sum of two different data series
You cannot use |DataIdx| directly as |subs| in |accumarray()| because in your example each streak of indices is treated as a sep...

casi 10 años hace | 2

Cargar más