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**Content Feed**

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

answersQuestion

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

answersQuestion

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

answerQuestion

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

answersQuestion

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

answerStock 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

answerQuestion

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

answersQuestion

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

answersQuestion

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

answerQuestion

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

answersQuestion

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

answerQuestion

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

answersQuestion

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

answersQuestion

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

answersQuestion

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

answersQuestion

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

answersQuestion

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

answersQuestion

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

answerQuestion

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

answerQuestion

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

answerQuestion

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

answerFind 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

answersQuestion 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

answersQuestion

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

answersQuestion

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

answerQuestion

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