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Monthly Archives: August 2012
easy C++ coding under Linux (Ubuntu 10.04)
Here I am using Ubuntu 10.04 – gedit – g++ compiler and that’s it. check the code below, just enter it to your gedit and save the file with a name and .cpp extension (You can avoid using extension at … Continue reading
How to Calculate Eigenvalue / Eigenvector (3)
Eigenvector If you transform a Vector x, using a square matrix A, and the result vector be y and then the resulted vector is a scaled form of input vector now you can say x is an eigenvector for A. … Continue reading
Posted in Machine Learning, MATLAB, programming, Statistics
Tagged code, eigen, eigenvalue, eigenvector, example, Machine Learning, Matlab, programming, statistics
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How to calculate Variance (2)
Variance of a random variable or distribution is the expectation/mean of the squared deviation of the variable from its expected value/mean: Var(x) = E[(x-mean)^2] How to calculate mean See below the MATLAB Code: %% calculate Variance Var(x) = E[(x-mean)^2] = … Continue reading
Posted in Machine Learning, MATLAB, programming, Statistics
Tagged code, example, expected value, Machine Learning, Matlab, mean, programming, statistics, var, variance
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How to calculate Mean value/ Expected Value (1)
There are 3 main kind of MEAN: Arithmetic Mean / Geometric Mean / Harmonic Mean you can find related formulation here. And here is the MATLAB code to calculate 3 different types of Mean for a sample vector: %% How … Continue reading
Posted in MATLAB, programming, Reinforcement Learning, Statistics
Tagged code, example, expected value, Machine Learning, Matlab, mean, statistics
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Reboot & Shutdown commands in Linux (using terminal)
How to Reboot your Linux machine from Terminal? in terminal type this command : sudo reboot or : sudo shutdown -r now How to Shutdown your Linux machine from Terminal? in terminal type this command : sudo shutdown -h now … Continue reading
Using Function and Arguments C++ (in 9 steps)
in this example we are going to show, how to use function and arguments in C++ code, (Here I am using Ubuntu 10.04 / gedit / g++ compiler,) *If you do not have g++ compiler or it is not updated … Continue reading
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