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Spencer Giglio


Last seen: 約3年 前 |  2019 年からアクティブ

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質問


Rotating rows until they align with a row above in a matrix
I have a i by n matrix. The matrix contains all the unique permutations of 1:n. I want this code to go through each row and rota...

3年以上 前 | 1 件の回答 | 0

1

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質問


Working with Matlab for a 15! x 30 matrix
Is there any way to have matlab run a matrix that is 15! x 15, a matrix comprised of all permutations of the integers 1:15. I ...

4年弱 前 | 2 件の回答 | 0

2

回答

質問


Eliminating and counting rows that contain a pattern that already appeared
Below is my code. What is does is generates all the possible permutations for a number n, Then it finds all the permutation diff...

4年弱 前 | 1 件の回答 | 0

1

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質問


Counting and removing rows with the same numbers in a particular order
I have a data set with purmutation differences. I want to find all the rows that have the same numbers in the same order but pot...

4年弱 前 | 2 件の回答 | 0

2

回答

解決済み


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

約4年 前

解決済み


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...

約4年 前

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

約4年 前

解決済み


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

約4年 前

解決済み


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...

約4年 前

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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...

約4年 前

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

約4年 前

解決済み


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

約4年 前

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

約4年 前

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Is my wife right?
Regardless of input, output the string 'yes'.

約4年 前

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

約4年 前

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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.

約4年 前

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Add two numbers
Given a and b, return the sum a+b in c.

約4年 前

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

約4年 前

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5年弱 前

解決済み


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

5年弱 前

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Square a Number
Given an input x, return y, which is equal to the square of x.

5年弱 前

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Penny flipping - calculate winning probability (easy)
Two players are playing a fair penny flipping game. For each flip, the winner adds one penny from the loser's collection to his/...

5年弱 前

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Get all prime factors
List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as...

5年弱 前

解決済み


Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

5年弱 前