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Pick the die most likely to win
After discussing Rock, Paper, Scissors, Lizard, Spock in The Simpsons and their Mathematical Secrets, Simon Singh writes that in...

2 months ago

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MATLAB Basics: Complex Numbers
For a given complex number, x, return the real and imaginary parts as a vector, y = [Real Imaginary].

2 months ago

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Convert Thermocouple output voltage (in mV) to Temperature (in C)
Convert Thermocouples of types (B,E,J,K,N,R,S,T) output junction voltage (in mV) to temperature (in C) using NIST coefficients r...

2 months ago

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Compute a sum involving the totient over divisors of a number
Write a function to compute the following sum: where is the totient function. The sum is computed over the divisors of (inc...

2 months ago

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The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

2 months ago

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Radioisotope Thermoelectric Generator (RTG)
Given an isotope's atomic mass (in amu), half-life (in years(a) or days(d)), and average kinetic energy absorbed (of emitted dec...

2 months ago

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Nuclear Binding Energy
Compute the approximate nuclear binding energy in MeV using the least-squares fit of the semi-emirical mass formula. Round to th...

2 months ago

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Matrix Indexing
Given a matrix A and scalars r,c,i, find the product of two elements, with the first element located at row r and column c (doub...

2 months ago

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Matrix convolution
A certain convolution step involves an elementwise multipication between two 3x3 matrices and taking the resulting sum of the el...

2 months ago

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Stacking vectors into a matrix
Given a 4x1 vector a, and a 2x2 matrix b, create a matrix M in which the first 2 rows are each identical to a and the last two r...

2 months ago

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Logarithmically spaced vector creation using linspace
Create a vector y containing n logarithmically spaced values between a and b, with a < b. Avoid using logspace and use the linsp...

2 months ago

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Logarithmically spaced vector creation using logspace
Create a vector y containing n logarithmically spaced values between a and b, with a < b. Use the logspace operator.

2 months ago

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Vector creation using colon operator
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use the colon (:) operator.

2 months ago

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Vector creation using linspace
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use linspace.

2 months ago

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Right shift an array n times with constant space.
Right shift an array n times with constant space, that is, no extra array can be used. Right shift operation: Last element com...

2 months ago

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Determine the average number of rounds for the following game.
Each round a uniformly distributed random number is picked between 0 and 1. The game ends when the sum of the random numbers is ...

2 months ago

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Find the number of days in a given year
Given a year number (eg. 2000) as input, find how many days are there in the given year.

2 months ago

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Solve an ODE: equation C
Write a function to solve the following ordinary differential equation: with and . The parameter is a constant. The functi...

2 months ago

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Eliminate redundant numbers in text
Occasionally someone might write text such as Briefly explain one (1) common problem that can result from the constant use of ...

2 months ago

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List the titles of Cody problems
Cody has several ways to list problems, but I have not yet found an easy way to list them by their numbers. Listing by date crea...

2 months ago

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Make a Number From the First and Last Digit of an Input Number

2 months ago

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Make the first letter of a sentence Capital.
In this problem you will be given a string of 2 or 3 lines. Your work is to make the first letters of every line Capital. You wi...

2 months ago

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Backgammon #1 - Pip Count
The following is a possible representation of a backgammon board: White stones are represented by positive integers Red stones ...

2 months ago

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Redefine the Array if the Elements in the Array are Repeating
Check if the Array has any repeating elements, if there are repeating elements then choose "n" as a number of times you want tha...

2 months ago

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Find all the indices when a value repetition occurs
Find all the sequences of consecutive repeated numbers in a numeric array, returning the indices where each sequence starts and ...

2 months ago

Solved

Write a function to generate AND operation

2 months ago

Solved

Solve an ODE: equation B

2 months ago

Solved

Flip coins

2 months ago

Solved

Solve an ODE: equation A
Write a function to solve the following ordinary differential equation: with and . The function should return the values of...

2 months ago

Solved

Convert any case sentence to Title Case

2 months ago