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Trace the path of a harmful chemical in an ecological network
An ecological network consists of the cycles of nature, such as the water cycle, the carbon cycle, the oxygen cycle, etc. Due to...

15 days ago

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continuous compounding
what's the present value of having 100 dollars after n years given a continuously compounded rate i ? keep only 2 decimals pleas...

15 days ago

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Scrabble Scores - 6
This problem is part of a set of problems that successively develop a more sophisticated Scrabble scoring routine. The point dis...

15 days ago

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Nonuniform quantizer as a piecewise constant function
Implement a nonuniform quantizer as the following piecewise function: y = -3.5, x < -3 y = -1.5, -3 ≤ x < -1 y = ...

15 days ago

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Calculate the h-index
H-index is a powerful tool for quantifying the scientific contribution of a researcher. H-index is defined as follows (source - ...

15 days ago

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center of mass
R is a given matrix with size [n,2]. R(i,:) is interpreted as the 2D-position of a mass point with mass i. Calculate the center ...

15 days ago

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Factorial: Unlimited Size : java.math
This challenge is an application of java.math that allows unlimited precision calculations. The primary reference sites are <ht...

15 days ago

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Find two numbers that add up to the target value
Given a vector A and target n, return the indices of two numbers that add up to n. If there are multiple solutions, return the f...

15 days ago

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Sum Rows
Sum the same indexed (unique) rows. Examine the test suite. Related Challenge - <http://www.mathworks.com/matlabcentral/cody/...

15 days ago

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Divide polynomial p1 by p2.
Divide polynomial p1 by p2 given as vectors. Return result q and r vectors which corresponds the quotient and remainder of divis...

15 days ago

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Add Me To Death (Sum sum sum)
Given certain vector, sum of the input vector, get the sum of 2 adjacent numbers in the input, and sum of the output vector (wh...

15 days ago

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Characterize fluid flow in a pipe as to laminar or turbulent
In fluid mechanics, characterizing the flow in a pipe is essential to predicting its behavior. The flow pattern can either be la...

15 days ago

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Half?
If you toss an even number (x) of coins, what is the probability (y) of 50% head and 50% tail?

15 days ago

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Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

15 days ago

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Top layer of a 3D pyramid
create a 3D pyramid(x,y,z) of ones(1) and zeros(0)...where pyramid part is denoted by one....nd find the top layer(x,y) of the p...

15 days ago

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Find the next state of a JK Flip-Flop
Find the next state (NS) of a JK Flip-Flop based on previous state (PS), inputs. Learn more about JK Flip-Flop theory here: ...

15 days ago

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Hamiltonian Cycle
This is related to the Travelling Salesman Problem 1339 created by Alex P. A Hamiltonian cycle or traceable cycle is a path tha...

15 days ago

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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...

15 days ago

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Determine if input is a perfect number
A perfect number occurs whent the sum of all divisors of a positive integer, except the number itself, equals the number. Examp...

15 days ago

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Vector raised to a power, element-wise (★)
Given a vector A and a number x, raise each element of the vector to the power of x. Thus, if A = [2 5 7 1] and x = 0.5, then ...

15 days ago

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Encode Me From The Past
Given this input x = 2, 5, 1, 2, 4, 1, 1, 3 output should be (Five 2's, Two 1's, One 4, Three 1's) [2 2 2 2 2 1 1 4 1...

15 days ago

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Sum! Sum! Sum!
Calculate the sum of the sequence up to nth term >> a,aa,aaa,aaaa,... 2,22,222,2222,... [for a=2]

15 days ago

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Unique dice configurations
Given a number of dice N and the number of sides on each die S, write a MATLAB function that will output how many unique permuta...

15 days ago

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Set defaults
Write a function that computes the volume of a cube. The function should be able to accept three inputs: the length, width, and...

15 days ago

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Number Puzzle - 115

15 days ago

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Hofstadter H sequence
The Hofstadter H sequence is defined as follows: The first elements of the sequence are 0, 1, 1, 2, 3, 4, 4, 5, 5, 6. Write ...

15 days ago

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prime test
find largest 2 digit prime number

15 days ago

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Multiply Column
Given two input, one matrix and one scalar number For example A is a matrix given A = [ 1 2 2 5 2 5 2 3 4 6...

15 days ago

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The MATLAB Treasure Hunt – Count Matching Symbols on the Ancient Scroll to Unlock the Next Clue
Inside the Hidden Cave, you discover an ancient scroll filled with strange symbols and markings. A note beside it says: “Count ...

15 days ago

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Number of odd and even elements within matrix
Input(m) - any matrix with integers Output(n) - n(1)=number of odd elements, n(2)=number of even elements Example: * m=...

15 days ago