ChrisR
I teach courses in water resources and environmental fluid mechanics.
Statistics
Solve all the problems in Cody5:Easy
Awarded to ChrisR on 05 Jun 2021
Solve all the problems in Functions I
Awarded to ChrisR on 29 Apr 2021
Solve all the problems in Divisible by x
Awarded to ChrisR on 11 Apr 2021
Solve all the problems in Tiles Challenge
Awarded to ChrisR on 24 Mar 2021
Solve all the problems in Matrix Patterns III problem group
Awarded to ChrisR on 06 Dec 2020
Solve all the problems in Strings I
Awarded to ChrisR on 02 Oct 2020
Receive 25 likes on a problem you have created
Awarded to ChrisR on 28 Sep 2020
Solve all the problems in Cody Problems in Japanese problem group
Awarded to ChrisR on 26 Aug 2020
Like a problem or solution
Awarded to ChrisR on 12 Aug 2020
Solve all the problems in Magic Numbers II
Awarded to ChrisR on 02 Aug 2020
Solve all the problems in Sequences & Series I
Awarded to ChrisR on 25 Jul 2020
Solve all the problems in ASEE Challenge
Awarded to ChrisR on 24 Jul 2020
Content Feed
解決済み
How to multiply?
* Imagine you are in 3012 Anno Domini, when everyone must learn how to multiply, * and competing for the highly prestigious pos...
2日 前
解決済み
Easy Sequences 18: Set Bits of Triple Summations
The function S(n) is defined by the following triple summations: The double brackets mean that th...
3日 前
解決済み
Create the flag of Ramumbia
The little known nation of Ramumbia has a very simple flag. It is made up of vertical stripes, Red, Green, Blue, that are equall...
3日 前
解決済み
Palindromic Prime
Palindromic Prime is a prime number that is also a palindromic number. (Wiki, OEIS) If given a monotonic series (increment=1) ...
3日 前
問題
Multiply binary numbers
Write a function to multiply two binary numbers input as strings. For example, input values of ‘1011’ and ‘101’ should give ’110...
4日 前 | 2 | 4 個のソルバー
解決済み
UICBioE240 problem 1.11
Store a series of numbers into a 4 by 4 matrix, starting with the first few positions going right and down, and leaving the rest...
4日 前
解決済み
The perimeter of a circle
Calculate the perimeter of a circle E.g If input r(radius) = 2 , the output( the perimeter of a circle) = 12.5664.
6日 前
解決済み
Relation between functions "dec2bin" & "dec2binvec"
Here it's an easy problem we try to find the relation between the two functions "dec2bin" & "dec2binvec", so here you must write...
6日 前
解決済み
Basic Monte Carlo Simulation
Input is a matrix including service time and probability of service time. Another input is a random number. Function should tran...
7日 前
解決済み
Easy Sequences 9: Faithful Pairs
A "faithful number" is a non-prime number that is one less or one more than some prime number but not both. For example, for num...
7日 前
解決済み
Bisection method of finding a root.
Test the bisection algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB for E...
8日 前
解決済み
False position (linear interpolation) method of finding a root.
Test the false position algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB ...
8日 前
解決済み
Temperature Conversion Utility (Strings)
This is a follow-on problem to <http://www.mathworks.com/matlabcentral/cody/problems/2413-temperature-conversion-utility Problem...
11日 前
解決済み
Matrix to 3-Column Matrix
Consider a matrix *A* such as A = [1 2 3 3 4 5 6; 2 3 4 5 6 7 8]; Can you convert this matrix to a three-column ...
12日 前
解決済み
Moving Product (Easy)
Given an input array A, write a function *movprod(A,k,dim)* to calculate the moving product over a sliding window of length *k* ...
12日 前
解決済み
Vogel-Dobbener entropy
*Vogel-Dobbener entropy* is a measure of dispersion for ordinal variables. Given an ordered list of distinct observations u_...
13日 前
解決済み
Cody Problems in French : Trouvez la logique Pt.1
On rentre x = 4 et il en sort y = 160. Trouvez la logique entre x et y, aidez-vous de la test suite. Bon courage. P.S: L'...
13日 前
解決済み
Cody problems in French : Trouvez la logique Pt.2
Trouvez la logique entre x et y, aidez-vous de la test suite. Bon courage. P.S: L'utilisation de "^" est de nouveau fortement...
13日 前
解決済み
Find the complement of a number in binary
Input x is a decimal number and output y is the complement of binary representation of x. For example, x = 10 has the binary ...
13日 前
問題
Count the primes in Collatz sequences
Several Cody problems (21, 69, 42937, 44448, 44784, 52422) involve Collatz sequences. These start with a seed . If is odd, the ...
13日 前 | 1 | 5 個のソルバー
解決済み
Create array of all Distances between two Sets of Points
This Challenge is a subsection of Martian Pranks based on Tim's efficient Distance calculation between sets of points. Given Po...
14日 前
解決済み
Filter British English into American English
Given a sentence written with British spelling, return the sentence with the offending word(s) replaced with the American spelli...
14日 前
解決済み
What is the nth step in Conway's Life?
Based on <Problem 52. What is the next step in Conway's Life?> Generalize your solution to Problem 52 - Give the state of the...
14日 前
解決済み
Find the first N zeros of the 666 function
Using the following definition of the 666 function for this problem: _f(n)=sin('nnn')-cos(n*n*n)_, write a function that returns...
14日 前
解決済み
Easy Sequences 13: Average Speed of Spaceship
A certain alien spaceship is capable of traveling at extremely high velocities and is able to change speed instantaneously. The ...
14日 前
問題
List the Moran numbers
The quotient of a Moran number and its digit sum is prime. For example, 117 and 481 are Moran numbers because 117/(1+1+7) is 13 ...
14日 前 | 3 | 6 個のソルバー
解決済み
Find the coefficients for numerical integration using Simpson's rule
For using numerical integration using Simpson's rule, we need some coefficients to be determined first. Suppose the n is the nu...
17日 前
