# ChrisR

I teach courses in water resources and environmental fluid mechanics.

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**Content Feed**

Solved

Plotting Practice

Plot cos(x) vs x as shown in the figure below. Include the appropriate title, x-label, and y-label. Note, it is case sensitive. ...

ungefär 9 timmar ago

Solved

Easy Sequences 25: Product of Series

The function 'P(n)' is defined as the series product: where 'T(n)' is the triangular sum: ...

ungefär 20 timmar ago

Solved

GJam 2017 Kickstart: Leader (Small)

This Challenge is derived from <http://code.google.com/codejam/contest/6304486/dashboard#s=p0 GJam 2017 Kickstart Leader>. This ...

en dag ago

Solved

Easy Sequences 23: Hat Guessing Game!

Consider the following Game Show: Hats, with numbers written on each, were placed on the heads of the participants. Participant...

2 dagar ago

Solved

Draw matrix 'Swiss flag'( Euro 2020)

Draw a x-by-x matrix 'Swiss flag' using '0' and '1'.(x is odd and bigger than 4) Example x=5 ...

2 dagar ago

Solved

Non-zero bits in 10^n.

Given an integer that is a power of 10, find the number of non-zero bits, k, in its binary representation. For example: * ...

7 dagar ago

Solved

Change on Spiral Matrix

n>=3, generate a matrix of nth such that n^2 is the max number, and max number must be in [1,1] or [end, end]. One example will ...

7 dagar ago

Solved

LIFO Validation

Write a function to check whether a LIFO (Last In First Out) restriction on inventory is violated. We have two input vectors ...

7 dagar ago

Solved

How to multiply?

* Imagine you are in 3012 Anno Domini, when everyone must learn how to multiply, * and competing for the highly prestigious pos...

10 dagar ago

Solved

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...

10 dagar ago

Solved

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...

10 dagar ago

Solved

Palindromic Prime

Palindromic Prime is a prime number that is also a palindromic number. (Wiki, OEIS) If given a monotonic series (increment=1) ...

11 dagar ago

Problem

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...

12 dagar ago | 2 | 5 solvers

Solved

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...

12 dagar ago

Solved

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.

13 dagar ago

Solved

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...

14 dagar ago

Solved

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...

14 dagar ago

Solved

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...

14 dagar ago

Solved

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...

15 dagar ago

Solved

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 ...

16 dagar ago

Solved

Temperature Conversion Utility (Strings)

This is a follow-on problem to <http://www.mathworks.com/matlabcentral/cody/problems/2413-temperature-conversion-utility Problem...

19 dagar ago

Solved

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 ...

19 dagar ago

Solved

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* ...

20 dagar ago

Solved

Vogel-Dobbener entropy

*Vogel-Dobbener entropy* is a measure of dispersion for ordinal variables. Given an ordered list of distinct observations u_...

20 dagar ago

Solved

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'...

20 dagar ago

Solved

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...

20 dagar ago

Solved

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 ...

20 dagar ago