Lyes Demri

USTHB

Last seen: 2 dagen ago | Active since 2021

Followers: 1 Following: 0

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I'm an associate professor at USTHB

Programming Languages:
Python, C++, C, Java, C#, PHP, MATLAB, HTML, Assembly
Spoken Languages:
English, French

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Submitted

Autoencoder Feature Selector basic example
This code implements the method described in "Autoencoder Inspired Unsupervised Feature" (Han 2018)

3 dagen ago | 5 downloads |

Submitted

PCA demonstration and tool
This is just a small demo of PCA and includes a function to encode a data matrix with the smallest amount of dimensions

8 maanden ago | 2 downloads |

Submitted

kNN simple example
This is a very simple example of the k Nearest Neighbors algorithm in action

8 maanden ago | 2 downloads |

Submitted

Structure in Letter Sequences (Elman 1990)
This is an implementation of Elman's second simulation presented in his 1990 paper (Finding Structure in Time)

9 maanden ago | 2 downloads |

Submitted

Simple LSTM prediction example
This example shows the implementation of an LSTM layer used to predict the following samples of a signal based on the first few ...

11 maanden ago | 7 downloads |

Submitted

Elman Network from scratch
This simply shows an Elman Recurrent Network learning 3 output signals based on 3 input signals. Every step is explained

11 maanden ago | 3 downloads |

Submitted

Simple Highway Network example from scratch.
This is a very basic Highway Network example comparing its performances with a Feedforward Neural Network.

meer dan een jaar ago | 1 download |

Submitted

MNIST handwritten digit recognition with LeNet-1 CNN
This is an implementation of the method described in LeCun's 1989 "Handwritten Digit Recognition with a Back-Propagation Network...

meer dan een jaar ago | 12 downloads |

Submitted

Smallest CNN possible
Smallest CNN taking 3x3 pictures as inputs and able to recognize 4 classes

meer dan een jaar ago | 2 downloads |

Solved

Dog Statistics
The vectors ht and wt contains the heights and weights of 20 golden retrievers. In some cases, it was not possible to make both ...

meer dan een jaar ago

Solved

Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...

meer dan een jaar ago

Solved

Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

meer dan een jaar ago

Solved

Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

meer dan een jaar ago

Solved

Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

meer dan een jaar ago

Solved

Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

meer dan een jaar ago

Solved

Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

meer dan een jaar ago

Solved

MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

meer dan een jaar ago

Solved

MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

meer dan een jaar ago

Solved

MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

meer dan een jaar ago

Solved

MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

meer dan een jaar ago

Solved

Simpson's Paradox - Calculate correlation coefficients for groups of data
Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...

meer dan een jaar ago

Solved

Plotting Practice
Plot cos(x) vs x as shown in the figure below. Include the appropriate title, x-label, and y-label. Note, it is case sensitive. ...

meer dan een jaar ago

Solved

Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...

meer dan een jaar ago

Solved

Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...

meer dan een jaar ago

Solved

Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...

meer dan een jaar ago

Submitted

Frequency Modulation GUI
This is a simple GUI to help understand Frequency Modulation

meer dan een jaar ago | 4 downloads |

Solved

Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...

meer dan een jaar ago

Solved

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

meer dan een jaar ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

meer dan een jaar ago

Submitted

Handwritten digit recognition with simple Neural Net
This is a very basic example of handwritten digit recognition using a simple 3-layer neural network built from scratch. Shows ev...

meer dan een jaar ago | 43 downloads |