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Artyom


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Active since 2012

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Question


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

ungefär 7 år ago | 2 answers | 0

2

answers

Question


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

mer än 7 år ago | 4 answers | 2

4

answers

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?

mer än 7 år ago | 1 answer | 0

1

answer

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...

mer än 7 år ago | 4 answers | 1

4

answers

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...

nästan 8 år ago | 1 answer | 0

1

answer

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

nästan 8 år ago | 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...

nästan 8 år ago | 1 answer | 0

1

answer

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...

mer än 8 år ago | 2 answers | 0

2

answers

Question


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

mer än 8 år ago | 3 answers | 0

3

answers

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'

mer än 8 år ago | 1 answer | 0

1

answer

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...

mer än 8 år ago | 0 answers | 0

0

answers

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++)...

mer än 8 år ago | 1 answer | 1

1

answer

Answered
Draw a line between two points
Thank you guys.

mer än 8 år ago | 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...

mer än 8 år ago | 4 answers | 0

4

answers

Question


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

mer än 8 år ago | 2 answers | 0

2

answers

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...

nästan 9 år ago | 0 answers | 0

0

answers

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...

nästan 9 år ago | 0 answers | 0

0

answers

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...

ungefär 9 år ago | 4 answers | 1

4

answers

Question


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

mer än 9 år ago | 0 answers | 0

0

answers

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...

mer än 9 år ago | 1 answer | 0

1

answer

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...

mer än 9 år ago | 1 answer | 0

1

answer

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...

mer än 9 år ago | 1 answer | 0

1

answer

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] ?

mer än 9 år ago | 1 answer | 0

1

answer

Answered
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...

mer än 9 år ago | 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]; ...

mer än 9 år ago | 3 answers | 2

3

answers

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

mer än 9 år ago | 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] ?

mer än 9 år ago | 2 answers | 0

2

answers

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]) ...

mer än 9 år ago | 3 answers | 0

3

answers

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...

mer än 9 år ago | 1 answer | 0

1

answer

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...

mer än 9 år ago | 1 answer | 0

1

answer

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