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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 7 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}
oltre 7 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?
oltre 7 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...
oltre 7 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...
circa 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
circa 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...
circa 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...
oltre 8 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'.
oltre 8 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'
oltre 8 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...
oltre 8 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++)...
oltre 8 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...
oltre 8 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....
circa 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...
circa 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 9 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 9 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?
oltre 9 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...
oltre 9 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...
oltre 9 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...
oltre 9 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] ?
oltre 9 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...
oltre 9 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]; ...
oltre 9 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]?
oltre 9 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] ?
oltre 9 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]) ...
oltre 9 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...
oltre 9 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...
oltre 9 anni ago | 1 answer | 0
