Andrew Brindley

Last seen: alrededor de 3 años hace | Con actividad desde 2022

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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 3 años hace

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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

alrededor de 3 años hace

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calculate the length of matrix
input 1 array, calculate the length

alrededor de 3 años hace

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y equals x divided by 2
function y = x/2

alrededor de 3 años hace

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Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

alrededor de 3 años hace

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Sum of first n positive integers
Given n, find the sum of first n positive integers Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these terms is 55

alrededor de 3 años hace

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02 - Vector Variables 1
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2a.png>>

alrededor de 3 años hace

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Union of two set decreasing order
Union of two set decreasing order Say, x=[1 2 5] and y=[5 7 8] then answer must be [8 7 5 2 1]

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Case-insensitive Character Detection
Find the index of a particular character in a string ignoring case. Example Input: x = 'aAbhhfdf' n = 'a' ...

alrededor de 3 años hace

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Determine the mean of matrix
Determine the mean of matrix without using mean function Hint: use simple algorithm

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Find out total non zero element of matrix
Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...

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Find out magnitude of vector
Find out magnitude of vector. Say x=[1 2 3], then answer must sqrt(1^2+2^2+3^2) Please don't use sum function. If you l...

alrededor de 3 años hace

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Add two hex numbers
Add two hex numbers

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Find out sum of prime number till given number
Find out sum of prime number till given number Example, if number is 10, then answer must be 17.

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Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

alrededor de 3 años hace

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Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

alrededor de 3 años hace

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Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

alrededor de 3 años hace

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Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

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The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

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Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

alrededor de 3 años hace

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Sum the squares of numbers from 1 to n
For a given value of n return the sum of square of numbers from 1 to n. Example For n = 2 then sum of squares = 5 (1^2 + ...

alrededor de 3 años hace

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Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

alrededor de 3 años hace

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Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

alrededor de 3 años hace

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Find the largest number
Find the largest number |x| among 4 numbers given as variables |a|, |b|, |c|, and |d|. Example: Input: a = 4; b = 7; c ...

alrededor de 3 años hace

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Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

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Prime numbers between a , b.
Find all prime number between a & b (including a and b). example: a=100 b=120 y= [101 103 107 109 113]

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Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

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Binary code (array)
Write a function which calculates the binary code of a number 'n' and gives the result as an array(vector). Example: Inpu...

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Element by element multiplication of two vectors
Given two input vectors, return the element-by-element product. Example A = [1 2 3] B = [7 3 1] The answer should be...

alrededor de 3 años hace

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