Submitted

Feature Selection in Classification using Genetic Algorithm
Feature Selection (reduction) in data-mining using Genetic Algorithm

Submitted

Wormhole detection in MANET using MLP
Wormhole attack detection in Mobile Ad-hoc Networks using a Multi-Layer Neural Network

Submitted

Persian License Plate Digit Recognition by CNN
Persian digit Recognition in Iranian License Plates by Convolutional Neural Network

Submitted

Clustering-based algorithms for breast tumor segmentation
Clustering-based algorithms for breast tumor segmentation using: k-means, fuzzy c-means, & optimized k-means (by Cuckoo Search O...

Submitted

Task Scheduling using a shuffled genetic algorithm in distributed systems

Submitted

E-commerce Review Classification by Text Mining
Text mining and bag-of-word for e-commerce review classification.

Submitted

Support Vector Machine using sub-gradient descent
This a Support Vector Machine code for 2-classes problems.

Solved

Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 . Example: n=5 ans= [1 0 0 0 1 1 1 0 0 1 1 0 ...

6 months ago

Solved

Divisible by 5
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

6 months ago

Solved

Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

9 months ago

Solved

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

9 months ago

Submitted

Voice Activity Detection (VAD) - Rabiner1975
Voice Activity Detection (VAD) using Rabiner and Sambur algorithm (1975) - Endpoint Algorithm

how to make a plot
Hi, you can use this: figure, plot(V,Fa,'-o') hold on plot(V,Fb,'-*') plot(V,Fc,'-^') legend('Fa','Fb','Fc')

1 year ago | 0

| accepted

how can save all variables which are in function without deleting previous one ?
Hi. You can make a string in each run for your function and then use the string for your file name. for example you may use a g...

1 year ago | 1

| accepted

Solved

5 Prime Numbers
Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

1 year ago

Submitted

A simple code for Audio Compression using DCT
A simple code for Audio Compression using Discrete Cosine Transform (DCT) and evaluating by psnr, mse

Solved

7 segment LED display
Given a whole number, output how many segments would be lit up to display it on a 7 segment LED display (see Wikipedia: <http://...

1 year ago

Solved

Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

1 year ago

Solved

modulus of a number
find the modulus of a given number

1 year ago

Solved

Create a vector
Create a vector from 0 to n by intervals of 2.

1 year ago

Solved

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

1 year ago

Solved

Project Euler: Problem 8, Find largest product in a large string of numbers
Find the greatest product of five consecutive digits in an n-digit number. 73167176531330624919225119674426574742355349194934...

1 year ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

1 year ago

Solved

Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

1 year ago

Solved

Community Problem 500!
In honor of this being the 500th Community problem, see if you can create a function that has a Cody size of 500. It can do any...

1 year ago

Solved

Feeling lucky?
Guess which number Cody is thinking (1 to 10)? (This is a game of luck more than skill. Good luck!)

1 year ago

Solved

intervals
Write a function that takes an interval from a to b, and divides it into 6 parts.

1 year ago

Solved

row removal
Remove the nth row from input matrix M and return the resulting matrix in output N.

1 year ago

Solved

given number is power of n or not?
Check weather The input is power of n or not? for example x=8,n=2 --> true x=6,n=2 --> false

1 year ago

Solved

vectors counting by 5
Create a vector with numbers from x_min to x_max in increments of 5.

1 year ago