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Christian Schröder


自 2019 起处于活动状态

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Really enjoying MATLAB!

统计学

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  • MATLAB Central Treasure Hunt Finisher
  • Knowledgeable Level 1
  • Thankful Level 2
  • Curator
  • Puzzler
  • First Review
  • Number Manipulation I Master
  • Tiles Challenge Master
  • Strings III Master
  • Strings II Master
  • Strings I Master
  • Magic Numbers II Master

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已解决


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

2 days 前

已解决


Algorithmic Trading - 1 (optimize simple trading strategy)
This is the first of a series of problems on quant trading. Quant traders seek to optimize investment performance devising tradi...

4 days 前

已解决


Algorithmic Trading - 4 (two thresholds)
This is the fourth of a series of problems on quant trading. It builds on earlier problems 45776, 45860, and 45884 *Goal* ...

4 days 前

已解决


Algorithmic Trading - 3 (short selling and leverage)
This is the third of a series of problems on quant trading. It builds on earlier problems 45776 and 45860 <https://www.mathwo...

4 days 前

已解决


Algorithmic Trading - 2 (optimize Calmar Ratio)
This is the second of a series of problems on quant trading. It builds on earlier problem 45776 <https://www.mathworks.com/matla...

4 days 前

已解决


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...

5 days 前

已解决


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...

7 days 前

已解决


Add two numbers
assign any value to two variable a, b and store their sum in variable c

11 days 前

已解决


Pentago: find winning move
<http://en.wikipedia.org/wiki/Pentago Pentago> is a challenging two-player strategy game. The objective is to be the first playe...

17 days 前

已解决


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...

1 month 前

问题


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...

1 month 前 | 0 | 7 个解题者

已解决


Delete some elements in the natural set and find the sum of the first n terms
Delete the number (except 0，1) with a complete square number from the natural set of numbers, form a new set of numbers, find th...

1 month 前

已解决


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 ...

1 month 前

问题


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 ...

1 month 前 | 0 | 8 个解题者

已解决


Cluster Partition
Given an array (row or column) of numbers, divide the array into consecutive positive/negative numbers. 0 is to be treated inde...

1 month 前

已解决


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...

1 month 前

已解决


Wheatstone bridge
Determine if a set of resistors maintain Wheatstone bridge equilibrium

1 month 前

已解决


Organic Chemistry
Determine the names of the organic component formed with carbon and hydrogen. For example, if n=1 the name is methane

1 month 前

已解决


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...

1 month 前

已解决


Convert RGB to Grayscale
Convert a 3 element RGB array to its correspoding grayscale pixel (a scalar) *Hint: a formula exists!

2 months 前

已解决


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...

2 months 前

已解决


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

2 months 前

已解决


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...

2 months 前

已解决


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...

2 months 前

已解决


Given two arrays, find the maximum overlap
Given two (integer) arrays s1 and s2, create a new array s3 which is as short as possible and contains both arrays. #1 s1 = [...

2 months 前

问题


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...

2 months 前 | 0 | 7 个解题者

已解决


Power Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on times that represent powers. Fo...

2 months 前

已解决


Compute the totient summatory function
Cody Problem 656 deals with the totient function, denoted by which counts the numbers less than that are relatively prime to ....

2 months 前

已解决


ICFP2024 011:Lambdaman Small programmed solutions
The ICFP2024 contest was held June29 thru July 1. The contest consisted of five parts: ICFP Language, Lambdaman maze, Starship f...

2 months 前

已解决


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...

2 months 前

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