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Artyom


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Actif depuis 2012

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Face recognition and image normalization
How can I normalize image to align the eyes with a horizontal line. EyeDetect = vision.CascadeObjectDetector('EyePairBig');...

presque 10 ans il y a | 2 réponses | 0

2

réponses

Question


Convert string to cell array
How to convert string a b 3 into cell array {'a' 'b' 3}

environ 10 ans il y a | 4 réponses | 2

4

réponses

Question


Concatenate cell array into one string
Hi. I want to concatenate a cell array {'a', 'b', 5, []} in a string 'a b 5'. How can I do this?

environ 10 ans il y a | 1 réponse | 0

1

réponse

Question


Find row with NaN in it.
I have variable X. X=[2 4 6; 4 5 NaN 3 NaN NaN 5 8 12 3 8 NaN]; How to find any r...

environ 10 ans il y a | 4 réponses | 1

4

réponses

Question


How to stop ode integration?
I'm trying to solve a differential equations system with ode45 solver. But sometimes integration takes too much time because one...

plus de 10 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Stock market price forecasting
Here you are: if C(t+1)-C(t)>0 buy else sell end

plus de 10 ans il y a | 2

Question


Load data from txt
Hi. I have a lot of data in .txt files. Now I'm using this code to read and import data to matlab: fid=fopen(Data); Res...

plus de 10 ans il y a | 1 réponse | 0

1

réponse

Question


Combine two cell arrays
I have two cell arrays: X{1,1}=[18;21;17;20;19]; X{1,2}=cellstr(['m';'f';'m';'m';'f']); How to create new cell array li...

environ 11 ans il y a | 2 réponses | 0

2

réponses

Question


Read data from string
I have string line: x='abc123(xyz456)' How to read information only in brackets, to have result: y='xyz456'.

environ 11 ans il y a | 3 réponses | 0

3

réponses

Question


How to find unique lines in cell arrays
How to find unique lines in the next cell array: 15 'm' 18 'm' 15 'm' So the result will be: 15 'm' 18 'm'

environ 11 ans il y a | 1 réponse | 0

1

réponse

Question


C++ std::vector transferring
How can I send vector<vector<double>> result; matrix to matlab? Should I use memcpy: memcpy((void *)mxGetPr(A), ??? , sizeof...

environ 11 ans il y a | 1 réponse | 0

0

réponse

Question


Calling Matlab from C++
I have some data in 2d std::vector for (int j=0; j<2; j++){ result.push_back(vector<double>()); for (int i=0; i<10; i++)...

environ 11 ans il y a | 1 réponse | 1

1

réponse

Réponse apportée
Draw a line between two points
Thank you guys.

environ 11 ans il y a | 0

Question


Draw a line between two points
Hi. I have three points [5.2 0 0 0 9.9 0 0 12.1]. How to draw a line through the first two points and find is the third point (1...

environ 11 ans il y a | 4 réponses | 0

4

réponses

Question


Conditional Formatting in Excel 2010
Hi. How to apply conditional formatting in Excel 2010? xlCellValue = 1; Excel.Selection.FormatConditions.Delete; Excel....

plus de 11 ans il y a | 2 réponses | 0

2

réponses

Question


Conditional Formatting in Excel
How to apply conditional formatting in Excel. Here is my code: file='Result.xlsx'; data=rand(5,5); range='B2:E5'; file...

plus de 11 ans il y a | 1 réponse | 0

0

réponse

Question


Colormap for area graphic
Hi everyone. I have area and line graphics in one window [ax,h1,h2] = plotyy(x, y1, x, y2, @area, @line); How to set colo...

presque 12 ans il y a | 1 réponse | 0

0

réponse

Question


All possible combinations of 2 vectors.
Hi everyone. I have one vector and one number. For example [1 3 5] and 0. How do I generate all possible combinations? Lik...

presque 12 ans il y a | 4 réponses | 1

4

réponses

Question


Walsh piecewise approximation function
Hi everyone. Is there any function or .m file to compute Walsh piecewise continuous approximation function?

environ 12 ans il y a | 1 réponse | 0

0

réponse

Question


How to remove text strings from .dat file
Hi everyone. There is a .dat file, where the first raw of it: #component = 1 embedding = 1 Then 20x3 matrix of numbe...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


Autoregressive model using Yule-Walker method
Hi everyone. I'm trying to find autoregressive coefficients for the signal using Yule-Walker method and Levinson-Durbin recur...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


Pointer on the graph.
Hi everyone. There is 1x100 array. Is there any function that can show me (for example with pointer or another color) on the gr...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


One formula in Matlab.
Hi everyone. Is there any function in Matlab that can easily calculate such kind of formula (Y[i]-Y[i-1])/Y[i-1] ?

environ 12 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Find row in matrix.
Ok, and if we have: A=[3 3 2011 3 6; 22 3 2011 7 3; 23 3 2011 6 4; 24 3 2011 1 3; 25 3 2011 5 4; 26 3 20...

environ 12 ans il y a | 0

Question


Find row in matrix.
Hi, everyone. There are some data in array: A=[3 3 2011;22 3 2011;23 3 2011;24 3 2011;25 3 2011;26 3 2011;27 3 2011]; ...

environ 12 ans il y a | 3 réponses | 2

3

réponses

Réponse apportée
Question about single digits.
Thanks. Maybe you know how to do the reverse process - from [5] [5] to [55]?

environ 12 ans il y a | 0

Question


Question about single digits.
Hi everyone. Is there any function that converts "complex" number for example [123] to constituent elements [1 2 3] ?

environ 12 ans il y a | 2 réponses | 0

2

réponses

Question


Add new column a vector.
Hi everyone. I have some vector for example x=[0;0;2;2;1;0;0;2;0]. How can I add a new vector (for example y=[43;43;34;34;34]) ...

environ 12 ans il y a | 3 réponses | 0

3

réponses

Question


Read data from text file
Hi, everyone. I have .txt data file. Each new line begins with date in format mm/dd/yyyy, for example 06/25/2012. Part of the c...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


Genetic algorithm and system of nonlinear ODE
Hi everyone. Here is the question. Can I using genetic algorithm from Global Optimization Toolbox optimize next problem: There...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

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