Community Profile

# Artyom

### BSEU

Attivo dal 2012

#### Content Feed

Visto da

Domanda

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 fa | 2 risposte | 0

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Domanda

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

oltre 8 anni fa | 4 risposte | 2

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Domanda

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?

oltre 8 anni fa | 1 risposta | 0

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Domanda

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...

oltre 8 anni fa | 4 risposte | 1

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Domanda

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...

circa 9 anni fa | 1 risposta | 0

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

circa 9 anni fa | 2

Domanda

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...

circa 9 anni fa | 1 risposta | 0

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Domanda

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...

oltre 9 anni fa | 2 risposte | 0

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Domanda

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

oltre 9 anni fa | 3 risposte | 0

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Domanda

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'

oltre 9 anni fa | 1 risposta | 0

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Domanda

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

oltre 9 anni fa | 0 risposte | 0

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Domanda

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++)...

oltre 9 anni fa | 1 risposta | 1

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Draw a line between two points
Thank you guys.

oltre 9 anni fa | 0

Domanda

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...

oltre 9 anni fa | 4 risposte | 0

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Domanda

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

circa 10 anni fa | 2 risposte | 0

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Domanda

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...

circa 10 anni fa | 0 risposte | 0

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Domanda

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...

circa 10 anni fa | 0 risposte | 0

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Domanda

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...

circa 10 anni fa | 4 risposte | 1

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Domanda

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

oltre 10 anni fa | 0 risposte | 0

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Domanda

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...

oltre 10 anni fa | 1 risposta | 0

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Domanda

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...

oltre 10 anni fa | 1 risposta | 0

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Domanda

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...

oltre 10 anni fa | 1 risposta | 0

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Domanda

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] ?

oltre 10 anni fa | 1 risposta | 0

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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...

oltre 10 anni fa | 0

Domanda

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]; ...

oltre 10 anni fa | 3 risposte | 2

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

oltre 10 anni fa | 0

Domanda

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

oltre 10 anni fa | 2 risposte | 0

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Domanda

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]) ...

oltre 10 anni fa | 3 risposte | 0

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Domanda

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...

oltre 10 anni fa | 1 risposta | 0

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Domanda

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...

oltre 10 anni fa | 1 risposta | 0

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