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Bramer


50 total contributions since 2012

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Question


Linear equalities in gamultiobj
Is there a way to include multiple equality constraints in the multi-objective genetic algorithm of matlab. Every matlab or tool...

7 years ago | 1 answer | 0

1

answer

Question


Constraints on the genes of a chromosome of multi-objective Genetic algorithm (gamultiobj)
I'm using the multi-objective GA in matlab and I have to put constraints on the members of the population as follows: let x be ...

7 years ago | 1 answer | 0

1

answer

Question


How to use nested function in main program as constraint for a Genetic Algorithm that optimizes the main?
This is my main program: function CDG=fuzz(a,b) CDG=10*sum(b); %code% [a,b,c]=function flow(a,b) [d,e,f]=func...

7 years ago | 1 answer | 0

1

answer

Solved


Create matrix of replicated elements
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. Example: Input: ...

7 years ago

Question


inv(matrix) takes shorter time than \ operator
A=magic(5) A = 17 24 1 8 15 23 5 7 14 16 4 6 13 20 2...

7 years ago | 3 answers | 2

3

answers

Solved


given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

8 years ago

Solved


Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

8 years ago

Solved


Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

8 years ago

Solved


inner product of two vectors
inner product of two vectors

8 years ago

Solved


Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

8 years ago

Solved


radius of a spherical planet
you just measured its surface area, that is the input.

8 years ago

Solved


Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

8 years ago

Solved


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

8 years ago

Solved


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

8 years ago

Solved


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

8 years ago

Solved


matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

8 years ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

8 years ago

Solved


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

8 years ago

Solved


Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

8 years ago

Solved


Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

8 years ago

Solved


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

8 years ago

Solved


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

8 years ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

8 years ago

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

8 years ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

8 years ago

Solved


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

8 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

8 years ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

8 years ago

Answered
What is missing from MATLAB?
one thing i'm finding particularly frustrating now is matlab inability to accept imaginary numbers in polar form directly. ther...

8 years ago | 0

Solved


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

8 years ago

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