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# Artyom

### BSEU

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');...

circa 8 anni ago | 2 answers | 0

### 2

Question

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

circa 8 anni ago | 4 answers | 2

### 4

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?

circa 8 anni ago | 1 answer | 0

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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...

circa 8 anni ago | 4 answers | 1

### 4

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...

oltre 8 anni ago | 1 answer | 0

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

oltre 8 anni ago | 2

Question

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...

oltre 8 anni ago | 1 answer | 0

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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...

circa 9 anni ago | 2 answers | 0

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Question

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

circa 9 anni ago | 3 answers | 0

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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'

circa 9 anni ago | 1 answer | 0

### 1

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...

circa 9 anni ago | 0 answers | 0

### 0

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++)...

circa 9 anni ago | 1 answer | 1

### 1

Draw a line between two points
Thank you guys.

circa 9 anni 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...

circa 9 anni ago | 4 answers | 0

### 4

Question

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

oltre 9 anni ago | 2 answers | 0

### 2

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...

oltre 9 anni ago | 0 answers | 0

### 0

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...

oltre 9 anni ago | 0 answers | 0

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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...

oltre 9 anni ago | 4 answers | 1

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Question

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

circa 10 anni ago | 0 answers | 0

### 0

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...

circa 10 anni ago | 1 answer | 0

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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...

circa 10 anni ago | 1 answer | 0

### 1

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...

circa 10 anni ago | 1 answer | 0

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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] ?

circa 10 anni ago | 1 answer | 0

### 1

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...

circa 10 anni 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]; ...

circa 10 anni ago | 3 answers | 2

### 3

Thanks. Maybe you know how to do the reverse process - from [5] [5] to [55]?

circa 10 anni ago | 0

Question

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

circa 10 anni ago | 2 answers | 0

### 2

Question

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]) ...

circa 10 anni ago | 3 answers | 0

### 3

Question

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...

circa 10 anni ago | 1 answer | 0