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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
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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
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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
6 months ago | 13 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...
11 months 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...
11 months 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...
11 months 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...
11 months 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...
11 months 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...
11 months 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 =...
11 months 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) ...
11 months 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...
11 months 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.
11 months 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...
11 months 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...
11 months ago
Solved
Predicting life and death of a memory-less light bulb
*💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 &...
11 months ago
Solved
A Simple Tide Gauge with MATLAB
*∿ ∿ ∿ ∿ ∿ ∿ ∿ ∿* You are standing in a few inches of sea water on a beach. You a...
11 months 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...
11 months 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...
11 months 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...
11 months 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...
11 months ago
Solved
Basic electricity in a dry situation
⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ &#...
11 months 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://...
11 months ago
Submitted
Binary Arithmetic Operations for Large Number
Basic binary arithmetic operation algorithms which can handle very large numbers.
11 months ago | 3 downloads |
Submitted
OpenSees-Matlab Interaction of Truss Example
This is example code on how to interact between OpenSees and Matlab
1 year ago | 10 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...
1 year 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...
1 year 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.
1 year 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...
1 year ago | 1
