Bramer

Aktiv seit 2012

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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...

fast 13 Jahre vor | 1 Antwort | 0

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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 ...

fast 13 Jahre vor | 1 Antwort | 0

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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...

fast 13 Jahre vor | 1 Antwort | 0

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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: ...

fast 13 Jahre vor

Frage

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...

fast 13 Jahre vor | 3 Antworten | 2

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

etwa 13 Jahre vor

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

etwa 13 Jahre vor

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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.

etwa 13 Jahre vor

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inner product of two vectors
inner product of two vectors

etwa 13 Jahre vor

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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

etwa 13 Jahre vor

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

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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

etwa 13 Jahre vor

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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 + ...

etwa 13 Jahre vor

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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. ...

etwa 13 Jahre vor

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

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

Beantwortet
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...

etwa 13 Jahre vor | 0

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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...

etwa 13 Jahre vor

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