matal

自 2011 起处于活动状态

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Newbie Matlabb'er
Professional Interests: Quantitative Finance

统计学

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copy-on-write, performance, and code readability
I use a global, multi-level nested struct() to hold a lot of data. For example, I have: global DATA; DATA.US.AAPL.date =...

11 years 前 | 2 个回答 | 0

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Performance tuning - finding CPU time
Hi - I have a Matlab function (my code) that takes about 1.5ms to run most of the time, but every once in a while spikes up ...

11 years 前 | 3 个回答 | 1

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working with mwArray in C++: How to extend it...
I am working with mwArray's in C++. I have created an empty cellarray as follows: mwArray r(mxCELL_CLASS); Now I would l...

12 years 前 | 1 个回答 | 0

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Calling Matlab from C++: How to pass in no arguments in varargin?
Looks like this is not possible: <http://www.mathworks.com/help/compiler/matlab-compiler-generated-interface-functions.html> ...

12 years 前 | 1

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Calling Matlab from C++: How to pass in no arguments in varargin?
I am compiling Matlab .m functions using Matlab compiler into libraries callable from C++. The particular function I am working ...

12 years 前 | 2 个回答 | 1

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Data structure for mixed-type arrays - cellarray, dataset, structarray, struct of arrays, or other?
Thought I would post some of my thoughts after looking at this problem a bit more. I don't see an efficient data structure in...

12 years 前 | 0

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Data structure for mixed-type arrays - cellarray, dataset, structarray, struct of arrays, or other?
I need to process large amounts of tabular data of mixed type - strings and doubles. A standard problem, I would think. What is ...

12 years 前 | 3 个回答 | 2

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save v7 vs v7.3 - compression is in which one?
Matlab version: 7.11.0.584 (R2010b) I have a dataset ~68MB in size. Name Size Bytes Class ...

12 years 前 | 1 个回答 | 1

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Can I use R2011a Econometrics toolbox with R2010b Matlab installation?
As the title says - I need to use some functions in the R2011a Econometrics toolbox. My current installation is R2010b and I don...

12 years 前 | 1 个回答 | 0

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Newbie question - capturing mutliple return from a function into an array
A function f() returns 2 numbers. So, I typically call it like this: [x,y] = f(<inputs>) Now I want to multiply the output...

13 years 前 | 1 个回答 | 0

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Newbie question - converting a vector into a cellarray of vectors
I have a vector X and want a cell array C containing N copies of that vector. How do I do that? Here is how I am doing it now...

13 years 前 | 2 个回答 | 0

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