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Contribute at least one answer each month for 3 consecutive months
Awarded to Gifari Zulkarnaen on 04 Mar 2020
Answer 1 question that was unanswered for more than 30 days
Awarded to Gifari Zulkarnaen on 26 Feb 2020
Solve all the problems in Cody5:Easy
Awarded to Gifari Zulkarnaen on 16 Jan 2021
Create a problem
Awarded to Gifari Zulkarnaen on 07 Jan 2021
Your submissions received 1 five star rating
Awarded to Gifari Zulkarnaen on 13 Jan 2021
Your submissions were downloaded 30 or more times in a month
Awarded to Gifari Zulkarnaen on 01 Jun 2020
Solve all the problems in CUP Challenge
Awarded to Gifari Zulkarnaen on 18 Jul 2020
Be the first to solve a problem
Awarded to Gifari Zulkarnaen on 14 Jul 2020
Comment on a problem or solution
Awarded to Gifari Zulkarnaen on 14 Jul 2020
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Awarded to Gifari Zulkarnaen on 14 Jul 2020
Solve all the problems in Introduction to MATLAB problem group
Awarded to Gifari Zulkarnaen on 14 Jul 2020
Accept 5 answers given by other contributors
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Content Feed
Submitted
Multi-objectives Harmony Search Optimization
Multi-objectives Harmony Search optimization algorithm as Matlab function
4 meses ago | 12 downloads |
Solved
Approximation of Pi (vector inputs)
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...
8 meses ago
Solved
Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...
8 meses ago
Solved
Mersenne Primes vs. All Primes
A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...
8 meses ago
Solved
Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...
8 meses ago
Solved
MATLAB Counter
Write a function f = counter(x0,b) to construct a counter handle f that counts with an initial value x0 and a step size b. E...
8 meses ago
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...
8 meses ago
Solved
Recaman Sequence - II
Take an arbitrary starting point as input and create Recaman Sequence. Then find the 1, return its index. For example: if n =...
8 meses ago
Solved
Recaman Sequence - I
Recaman Sequence (A005132 - <http://oeis.org/A005132 - OEIS Link>) is defined as follow; seq(0) = 0; for n > 0, seq(n) ...
8 meses ago
Solved
Sums of Multiple Pairs of Triangular Numbers
This is a follow-up to <https://www.mathworks.com/matlabcentral/cody/problems/44289 Problem 44289> - Find two triangular numbers...
8 meses ago
Solved
Find two triangular numbers whose sum is input.
Find two triangular numbers whose sum is _input_. Note: The difference beetween the triangular numbers should be minimum.
8 meses ago
Solved
Van Eck's Sequence's nth member
Return the Van Eck's Sequence's nth member. For detailed info : <http://oeis.org/A181391 OEIS link> and <https://www.theguard...
8 meses ago
Solved
Write c^3 as sum of two squares a^2+b^2
write c^3 as sum of two squares a^2+b^2. a and b must be integer and greater than zero. For example 5^3 = 2^2 + 11^2 5...
8 meses ago
Solved
Predicting life and death of a memory-less light bulb
*💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 &...
8 meses ago
Solved
A Simple Tide Gauge with MATLAB
*∿ ∿ ∿ ∿ ∿ ∿ ∿ ∿* You are standing in a few inches of sea water on a beach. You a...
8 meses ago
Solved
Pi Digit Probability
Assume that the next digit of pi constant is determined by the historical digit distribution. What is the probability of next di...
8 meses ago
Solved
The glass half full
Identical glasses are placed in a triangular tower structure, such that the top level (L = 1) comprises one glass, the next leve...
8 meses ago
Solved
Is it really a 5?
A number containing at least one five will be passed to your function, which must return true or false depending upon whether th...
8 meses ago
Solved
Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...
8 meses ago
Solved
Basic electricity in a dry situation
⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ &#...
8 meses ago
Solved
Spot the First Occurrence of 5
This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...
8 meses ago
Submitted
Binary Arithmetic Operations for Large Number
Basic binary arithmetic operation algorithms which can handle very large numbers.
8 meses ago | 2 downloads |
Submitted
OpenSees-Matlab Interaction of Truss Example
This is example code on how to interact between OpenSees and Matlab
10 meses ago | 9 downloads |
Solved
Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...
alrededor de 1 año ago
Question
Is there a way to speed up the time for calling external program?
I am doing optimization problem. The objective function requires to call external program. But time for calling the program (0.1...
alrededor de 1 año ago | 0 answers | 0
0
answersHelp !! How to use Genetic Algorithm for maximisation process as it is used for minimisation process?
Make the fitness function to be 1/f(x) where f(x) is your original maximization.
alrededor de 1 año ago | 1
poisson regression using genetics algorithm
I dont really understand statistics and PR, but I think you can define the objective function as a function of PR variables whic...
alrededor de 1 año ago | 1
