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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');...

circa 8 anni ago | 2 answers | 0

### 2

answersQuestion

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

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?

circa 8 anni 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...

circa 8 anni 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...

oltre 8 anni ago | 1 answer | 0

### 1

answerStock market price forecasting

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

oltre 8 anni 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...

oltre 8 anni 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...

circa 9 anni 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'.

circa 9 anni 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'

circa 9 anni 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...

circa 9 anni 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++)...

circa 9 anni 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...

circa 9 anni 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....

oltre 9 anni 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...

oltre 9 anni 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...

circa 10 anni 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...

circa 10 anni 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?

circa 10 anni 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...

circa 10 anni 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...

circa 10 anni 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...

circa 10 anni 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] ?

circa 10 anni 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...

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

answersQuestion about single digits.

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

circa 10 anni 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] ?

circa 10 anni 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]) ...

circa 10 anni 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...

circa 10 anni 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...

circa 10 anni ago | 1 answer | 0