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Solved

Moyenne pondérée

Ecrire une fonction qui prend en entrée un vecteur P et un vecteur V et calcule la moyenne pondérée MP des élements vi d'un vec...

8 dagar ago

Solved

Special matrix

Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...

12 dagar ago

Solved

Explore the twin prime Goldbach conjecture

The Goldbach conjecture says that every positive even integer greater than 2 can be expressed as the sum of two prime numbers in...

12 dagar ago

Solved

Write a code to implement Euler's method to integrate a simple function

Euler's method approximates the solution to a differential equation as where . The challenge is to write a code that can take...

12 dagar ago

Solved

Given the mass and stiffness of an undamped SDOF system, find the natural frequency and the natural period of vibration

Problem Statement Given the mass and stiffness of an undamped SDOF system, find the system's natural frequency in both Hz and...

13 dagar ago

Solved

Juros Simples

Faça uma função que calcule o montagem de um investimento com juros simples que receba como argumentos o capital inicial C, a ta...

13 dagar ago

Solved

String Logic 18

Examples: 'DIG' --> 'DG' 'IMPORTANT' --> 'IPRAT' 'DEAL' --> 'DA' 'LIMB' --> 'LM' 'MOSTLY' --> 'MSL'

13 dagar ago

Solved

Day counter function

Write a function called day_counter that returns the number of Mondays that fell on the first day of the month in a given year b...

13 dagar ago

Solved

Flip the vector from right to left

Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not to use d...

13 dagar ago

Solved

GJam 2017 Kickstart: Parentheses (Large)

This Challenge is derived from <http://code.google.com/codejam/contest/6304486/dashboard#s=p2 GJam 2017 Kickstart Parentheses>. ...

13 dagar ago

Solved

Independent direction vectors of a plane

Given the equation of a plan of the form ax+by+cz=d, return 2 independent direction vectors which could e.g. be used to determin...

13 dagar ago

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Palindrome Checker

Check to see if a given string is a palindrome (a word, phrase, or sequence that reads the same backward as forward). Output sh...

13 dagar ago

Solved

Sum All Positive Elements

Output a scalar that is equal to the sum of all positive elements in a given vector/matrix. For Example: The sum of all positi...

13 dagar ago

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Reverse a string

Return a string with the characters in reverse order from a given input string Ex: my_str = "Ciao" function should output "...

13 dagar ago

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Diagonal Product of A Square Matrix

For a matrix A, calculate the product of its diagonal elements. * Assume all input matrices are square & corresponding element...

13 dagar ago

Solved

Calculate the mean of each half of a matrix

Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...

13 dagar ago

Solved

Calculate Amount of Cake Frosting

Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

13 dagar ago

Solved

Compute a sum

Write a function to compute the following sum Although a solution is available for general values of the coefficients, the co...

16 dagar ago

Solved

The Prime Days of Christmas

On the first day of Christmas my true love sent to me partridges in a pear tree. On the second day of Christmas my true love s...

26 dagar ago

Solved

Conditional transpose II

As in problem 60734, you're given two vectors, x and y, which might be row or a column vectors. Your task is to ensure that y ha...

ungefär en månad ago

Solved

Conditional transpose

You're given two vectors of the same length, x and y, which might be row or a column vectors. Your task is to ensure that y has ...

ungefär en månad ago

Solved

Remove the diagonal of a square matrix

Some Cody problems ask solvers to remove columns (e.g., CP 7), and others ask solvers to remove rows (e.g., CP 44033). Write a...

ungefär en månad ago

Solved

Find the closest geyser prime

My wife and I celebrated our honeymoon and our recent anniversary in Yellowstone and Grand Teton National Parks. After returning...

ungefär en månad ago

Solved

Sum the reciprocals of polygonal numbers

As explained in Cody Problem 60571, a polygonal number is the number of dots arranged in the shape of a regular polygon. For exa...

3 månader ago

Solved

Complete a 2nd order difference sequence

In Cody Problem 59791 ChrisR asks us to find the integer that completes a randomly sorted geometric sequence with one missing el...

3 månader ago

Solved

Pronounce digits

Given a number num, select the first d decimal places and pronounce the digits (in English). The function returns the pronunciat...

3 månader ago

Solved

Remove Adjacent Pairs

Given an array of integers where adjacent elements may be identical, your task is to remove these adjacent pairs. If removing on...

3 månader ago

Solved

List primes of the form xy+z

Consider three consecutive integers , , and . When is the number prime? For example, if or , then the results are 17 and 37, ...

3 månader ago

Solved

Perimeter of a Koch snowflake

A Koch snowflake is an iteratively generated (fractal) shape built out of successively smaller equilateral triangles by followin...

3 månader ago

Solved

Find polygonal numbers that are Blum integers

A polygonal number is the number of dots arranged in the shape of a regular polygon. For example, 15 is a triangular number beca...

3 månader ago