提问

fill empty spaces in a cell array
Hi all, I have a 2000x2 cell array. When I go down I see some rows have [] [] empty. What way can I do it so that the empty 2...

12 years 前 | 1 个回答 | 0

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Filling in secondly time intervals between 15:30:00 to 22:00:00
it seems like the output maybe deleting every 15th element also? A small change needs to be made?

12 years 前 | 0

提问

Filling in secondly time intervals between 15:30:00 to 22:00:00
Hi all I have prices which change every 15 seconds throughout the whole day. I want to make the the price secondly rather tha...

12 years 前 | 2 个回答 | 0

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提问

How many positive entries in array
I have a 1450x1 array. I want to count how many positive entries in array?

12 years 前 | 2 个回答 | 1

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Data extraction from .txt file
Hi, Used your first code...great code and fast. It allows me to change m1 and m2 to get respective minutes. Great work. Now i...

12 years 前 | 0

已回答
Simple data extration from notepad
I am running the code above but it is taking forever. There are many elements in this file. Is there any faster methods? I have ...

12 years 前 | 0

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Simple data extration from notepad
Additionally for the selected time frames would be nice to have a matrix with the selected values.

12 years 前 | 0

提问

Simple data extration from notepad
Hi there. I have financial data in a notepad in the form of: 10/21/2002,0609,0.97270,0.97270,0.97260,0.97260,0,0 10/21/200...

12 years 前 | 4 个回答 | 0

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Simple correlation Question
Hi there. Here is my question. Q) I have two time series of financial data. A = 1000 x 1 B = 1000 x 1 Now I want to fin...

12 years 前 | 1 个回答 | 0

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Speed up loop in webinar
I tried to use gpu to speed it up but it actually slows it down.

12 years 前 | 0

提问

Speed up loop in webinar
Hi there, by looking at the algorithmic trading webinar and files : http://www.mathworks.com/matlabcentral/fileexchange/29489 ...

12 years 前 | 1 个回答 | 0

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提问

Loop on gpu
Hi there, for multiple cores on CPU you can use parfor. But for a loop on gpu how can you speed it up? Any help?

12 years 前 | 1 个回答 | 2

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提问

convert string to number
Hi I have a string array as following: '15:30:00' '15:30:01' '15:30:02' '15:30:03' '15:30:04' '15:30:05' ...

13 years 前 | 2 个回答 | 0

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提问

Error with parfor loop
Hi there, I am trying to run the following: INPUT: parfor i=1:1:5 data(i)=IBMatlab('action','query','symbol',...

13 years 前 | 2 个回答 | 0

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提问

Struct array
Hi I have a 1x100 struct array called data. In this array I need all the elements bidPrice. data.bidPrice gives me one eleme...

13 years 前 | 1 个回答 | 0

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提问

Histogram
Hi everybody. I have an array. 1) I do a histfit(data) to get a histogram representation of my data with a normal distributi...

13 years 前 | 3 个回答 | 0

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Histfit help
Hi there, I am trying to plot a PDF of some distributions on my data which are a set of financial daily returns using HISTFIT. ...

13 years 前 | 1 个回答 | 0

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提问

Pairs trading error message
Hi everybody, I am trying to use the webinar in pairs trading with second-second data. I keep getting a error. I am using 1 d...

13 years 前 | 0 个回答 | 0

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Pairs trading in MATLAB
Hi everybody. I watched the webinar for Pairs trading. I wanted to know. I have 2 Cointegrated assets, the data is second-second...

13 years 前 | 1 个回答 | 0

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提问

Time intervals in a array
Hi everybody. I have a N x 2 cell Matrix. The First column is the time stamp and the Second column is the price at that time. ...

13 years 前 | 1 个回答 | 0

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string to number
Hi this does not work for me, I think maybe because the array is a cell array?

13 years 前 | 0

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提问

string to number
Hi I have an array which looks like this: '''27/01/2012 15:30:00''' '''27/01/2012 15:31:33''' '''27/01/2012 15:49:19'...

13 years 前 | 1 个回答 | 0

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Changing time intervals
Anybody? Help would be very much appreciated.

13 years 前 | 0

提问

Changing time intervals
Hi everybody. I have a huge matrix where the first 6 entries are shown below. I want to change the NON EQUAL time intervals ...

13 years 前 | 2 个回答 | 0

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提问

Damiano Brigo: A stochastic process toolkit for risk management
Hi there, folllowing on from the the tutorial above (google it and you will find the pdf). I am interested in his calibration...

13 years 前 | 0 个回答 | 0

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提问

Garch fit on a histogram comparing to normal
Dear All refering to a very helpful tutorial : "A stochastic processes toolkit for risk management". The author represents th...

13 years 前 | 0 个回答 | 0

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提问

Matching matrix
I have two matrixes, one is is a 37000x4 matrix (example below '01/02/2012 00:00:01' 'BEST_BID' 4.25000000000000 90 '01/02...

13 years 前 | 0 个回答 | 0

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提问

Cell matrix
Hi there, I have a 37000 x 4 cell array. Columns are like for eg, '01/02/2012 00:00:01' 'BEST_BID' 4.25000000000000 90 '01...

13 years 前 | 2 个回答 | 0

2

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提问

Probability distribution
Dear Everybody, I have searched many places yet I cannot find a solution. I am looking to fit the probability distributions (...

13 years 前 | 1 个回答 | 0

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提问

Row column question
Dear all, I have a question to ask. I have 4 columns with dates with many rows of a value. It is a series of 2 prices with thei...

13 years 前 | 1 个回答 | 0

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