Christian Schröder

Aktiv seit 2019

Followers: 0 Following: 0

Really enjoying MATLAB!

Statistik

All

Abzeichen anzeigen

Feeds

Gelöst

Determine whether a number is a Ludic prime
Ludic numbers are formed by a sieve. Start with a list of the positive integers. Skip 1 and start with 2. Then delete every seco...

etwa 3 Stunden vor

Gelöst

add
add

7 Tage vor

Gelöst

x = 1
x = 1

7 Tage vor

Gelöst

Sum along each diagonal of a matrix
Write a routine that returns the sums along the diagonals of a given matrix, A, where the first diagonal is the bottom left corn...

12 Tage vor

Gelöst

Find the closest canyon prime
My wife and I celebrated our honeymoon and most recent anniversary in Yellowstone and Grand Teton National Parks. After returnin...

13 Tage vor

Gelöst

List composite numbers that do not contain their prime factors as substrings
The number 63 has the prime factorization 3, 3, and 7, and it contains one of them (3) as a substring. In contrast, the number 4...

20 Tage vor

Gelöst

Build a block Toeplitz matrix
A symmetric block Toeplitz matrix has the form, where the are compatibly-sized matrices. Write a routi...

23 Tage vor

Gelöst

Condition number of Kronecker product
Given NxN matrix A and MxM matrix B, where M,N<=1000, write a routine to compute the condition number of kron(A,B).

23 Tage vor

Gelöst

TingTing
Output logical "true" if the input is the answer to luck and money$$$. Otherwise, output logical "false".

23 Tage vor

Gelöst

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 Tage vor

Gelöst

Extract diagonal of sparse quadratic form
Consider the matrix A and vector v given by, A=round(sprand(5e3,1e4,1/1e4*100)*100); v=randi(10,width(A),1); Write a rout...

26 Tage vor

Gelöst

2x2 binning of a large sparse matrix
Consider the 20000 x 20000 sparse matrix, A=round(sprand(2e4,2e4,1/1e4*100)*1000); The task is to divide this matrix into 2x...

27 Tage vor

Gelöst

Pipeline - Variable-length Input
Design the |gt|(>) method of |function_handle| so that: >> 1 > @sin > @cos ans = 0.666366745392881 >> cos(sin(1...

29 Tage vor

Gelöst

area of a square
find the generic solution for an area of a square

30 Tage vor

Gelöst

List the partitions of an integer
Several Cody problems deal with partitions of an integer, or the ways an integer can be written as the sum of positive numbers—...

etwa ein Monat vor

Gelöst

Area of a rectangle
FInd the area of a rectangle with a length L and width W. Round to the nearest integer.

etwa ein Monat vor

Gelöst

Sequencing Odd Even numbers
Given an input value n, create a vector which contains all odd numbers & even numbers centered around mean of vector. If the me...

etwa ein Monat vor

Gelöst

Extend the digamma function to negative arguments
While solving one of Ramon Villamangca’s problems, I needed the value of , where is the digamma function. However, MATLAB’s fun...

etwa ein Monat vor

Gelöst

Describe n from right to left
If you were to describe the number 46 from right to left, you could say “one 6, one 4”, or 1614. The number 8663 would be “one 3...

etwa ein Monat vor

Gelöst

List Ormiston prime pairs
The numbers 1913 and 1931 form the first Ormiston prime pair. The numbers are consecutive primes, and they are anagrams of each ...

etwa ein Monat vor

Gelöst

Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

etwa 2 Monate vor

Gelöst

Find out if the given number is a square of natural number.
For example , Input =4,output =1 Input=1,output=1 Input=0,output=0 Input=8,output=0

etwa 2 Monate vor

Gelöst

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...

etwa 2 Monate vor

Gelöst

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...

etwa 2 Monate vor

Gelöst

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* ...

etwa 2 Monate vor

Gelöst

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...

etwa 2 Monate vor

Gelöst

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...

etwa 2 Monate vor

Gelöst

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...

etwa 2 Monate vor

Gelöst

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...

etwa 2 Monate vor

Gelöst

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

2 Monate vor

Mehr laden

Christian Schröder

Statistik

Community

MATLAB Answers

MATLAB Answers

Cody

Cody

File Exchange

Cody

Cody

Cody

Cody

Cody

Cody

Feeds