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Roman to Integer Conversion
The idea behind this cody problem is to write a code that converts the Roman Numerals to Integers. A numeral system known as R...

1 month ago

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List lunar triangular numbers without duplication
Triangular numbers—which are the subject of Cody Problems 5, 291, 44289, 44732, 45833, 55680, 55695, and 55705—are the sums of c...

1 month ago

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Primitive Root Modulo n
Given a positive integer n > 2, return a vector, v, of positive integers smaller than n that are primitive roots modulo n. If no...

1 month ago

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Bullseye Matrix with Zeros
Inspired by Problem 18, create a bullseye matrix with the addition of padding equal to 0 between concentric rings. Matrices are ...

1 month ago

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Determine if a number is a cool number
A number is considered cool if it is 3 digits, has a 5 in it, and is divisible by 4.

1 month ago

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Palindrome vector
Check if a given vector is Palindrome. Example, [1 2 54 32 45 5 33 456 45 456 33 5 45 32 54 2 1]

1 month ago

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Palindrome String
Determine if the inputted string is a palindrome. That is, the string is the same forwards as it is backwards. For example: ...

1 month ago

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Snakes and Ladders: Variable Die
This problem is a sequal to Problem 59132 Snakes and Ladders: Average Number of Turns. Instead of a 6-sided die, your function ...

1 month ago

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Snakes and Ladders: Average Number of Turns
In this problem, you will play a single-player variant of the classic game Snakes and Ladders. The rules are as follows: The pl...

1 month ago

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rotation et mise à l'échelle avec des complexes
Ecrire une fonction Zr=scale_rot(A,phi,Z) qui permet une mise à l'échelle d'un facteur A et une rotation d'un angle phi (en rad)...

1 month ago

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Find stiffness of all beams for single floor in building
Create a function that finds this stiffness k of all the beams (also known as 'stanchions') for one floor of a three storey buil...

1 month ago

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Find mass of single floor in building
A model building has three floors are highlighted in different colours here: Assu...

1 month ago

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Count integers in randomized vector that are multiples of a given number.
The mod() function We might all remember the days when we were taught to divide and then set the remainder aside if the numbers...

1 month ago

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The Hacker Parole Problem
The hacker parole problem 100 hackers have been imprisoned, but have been given a way to get parole. Each of the 100 prisone...

1 month ago

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Lancer de dés
Ecrire une fonction qui imite le lancer d'un dé, i-e qui renvoie de façon aléatoire un entier entre 1 et 6. Attention cette fon...

1 month ago

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Determine whether a number is a Higgs prime
If the sequence lists the Higgs primes, then is the smallest prime greater than such that divides the product . The first fo...

1 month ago

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8 : Find the Solving vector
The Puzzle 8 is a variant of 15 ( Fifteen ). Fifteen is a slider puzzle, also a matlab function, with the goal being to create t...

1 month ago

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Compute the water table in a layered unconfined aquifer
Write a function to compute the flow per unit width and the elevation of the water table above the bottom of unconfined aquifer ...

1 month ago

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Return part of an array
Given a 5x5 array, return a 3x3 array that contains the cells that are not on the edge of the array: Given this array Return...

1 month ago

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Summing the last column column
Given a matrix, return the sum of the last column of the array.

1 month ago

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A row vector, pick 1st number, skip 1,pick 3rd number, skip 2,pick,skip,etc then place all picked numbers in order in new vector
Having a row vector of number, pick the first number, place in new output vector as the first value, then skip one number, pick...

1 month ago

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Find the smallest number leading to a maximal product of two numbers that concatenate to another number
Cody Problem 58971 involves the maximal product of numbers that concatenate to a number . For example, if , then the products ar...

1 month ago

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Compute the maximal product of any two numbers whose concatenation is n
Write a function that takes an input and computes the maximal product of numbers that concatenate to . For example, if , then t...

1 month ago

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Neural Net: Convolutional NN Back Propagation WP/WH/K LED Digit images; Variant Images Scored
This challenge is to return final WH, WP, and K matrices, given initial XImgset, WH, WP, K, EPY using convolution(Ximg,K), ReLU ...

1 month ago

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Find the nine-point circle of a triangle
Cody Problem 1336 asks us to find the circle that circumscribes a triangle, and Cody Problem 58354 asks us to find the circle th...

1 month ago

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Neural Net: Convolutional NN wK Evolve Matrices Determination for LED Digit images; Variant Images Scored
This challenge is to return final WH, WP, and K matrices, given initial XImgset, WH, WP, K, EPY using convolution(Ximg,K), ReLU ...

1 month ago

Solved

Find the 2023 Russian Lunar Lander (LUNA-25)
Locate the LUNA-25, 2023 Russian Lander, by comparing Pre and Post-Landing Lunar images. Give the [row,col] of the approximate...

1 month ago

Solved

Neural Net: Convolutional NN Matrices Determination for LED Digit images; Variant Images Scored
This challenge is to return final WH and WP matrices, given XImgset, WH, WP, K, EPY using convolution(Ximg,K), ReLU on the hidde...

1 month ago

Solved

Neural Net: Convolutional NN Matrices Determination for LED Digit images
This challenge is to return final WH and WP matrices, given XImgset, WH, WP, K, EPY using convolution(Ximg,K), ReLU on the hidde...

1 month ago

Solved

Find out the smallest number 9 times greater
What is the smallest natural number where the result of moving the digit on the far right to the front of the number is a number...

1 month ago