39 total contributions since 2016

PhD Student @ ICT School of the University of Trento

Solved

Cache me Outside

The test suite includes a simple recursive Fibonacci sequence generator, but it's terribly inefficient. One simple method for im...

mer än 2 år ago

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Digit concentration in Champernowne's constant

Consider the first 50 digits of Champernowne's constant 0.12345678910111213141516171819202122232425262728293... The...

mer än 2 år ago

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An asteroid and a spacecraft

🚀 Imagine a non-relativistic simple situation. Assume positions p0, p1, p2, and p3 are three dimensional Cartesian ...

mer än 2 år ago

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Sums of Distinct Powers

You will be given three numbers: base, nstart, and nend. Write a MATLAB script that will compute the sum of a sequence of both ...

mer än 2 år ago

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5th Time's a Charm

Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

mer än 2 år ago

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"Cody" * 5 == "CodyCodyCodyCodyCody"

*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...

mer än 2 år ago

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Acid and water

⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ Assume that there is a 100 liter tank. It is initially fi...

mer än 2 år ago

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Number of Even Elements in Fibonacci Sequence

Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

mer än 2 år ago

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The 5th Root

Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

mer än 2 år ago

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Breaking Out of the Matrix

Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

mer än 2 år ago

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ASCII Birthday Cake

Given an age and a name, give draw an ASCII birthday cake. For example, given the name "CODY" and the age 5, return a string wit...

mer än 2 år ago

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MATLAB Counter

Write a function f = counter(x0,b) to construct a counter handle f that counts with an initial value x0 and a step size b. E...

mer än 2 år ago

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Pi Digit Probability

Assume that the next digit of pi constant is determined by the historical digit distribution. What is the probability of next di...

mer än 2 år ago

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Polarisation

You have n polarising filters stacked one on top of another, and you know each axis angle. How much light gets passed through th...

mer än 2 år ago

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Inscribed Pentagon?

Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...

mer än 2 år ago

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The Top 5 Primes

This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...

mer än 2 år ago

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Sums of Multiple Pairs of Triangular Numbers

This is a follow-up to <https://www.mathworks.com/matlabcentral/cody/problems/44289 Problem 44289> - Find two triangular numbers...

mer än 2 år ago

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The Glass Half Full

Identical glasses are placed in a triangular tower structure, such that the top level (L = 1) comprises one glass, the next leve...

mer än 2 år ago

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Recaman Sequence - II

Take an arbitrary starting point as input and create Recaman Sequence. Then find the 1, return its index. For example: if n =...

mer än 2 år ago

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Missing five

Convert decimal numbers to a base-9 notation missing the digit *5* <<http://www.alfnie.com/software/missing5.jpg>> Too man...

mer än 2 år ago

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Circle/Pentagon Overlap

Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...

mer än 2 år ago

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Recaman Sequence - I

Recaman Sequence (A005132 - <http://oeis.org/A005132 - OEIS Link>) is defined as follow; seq(0) = 0; for n > 0, seq(n) ...

mer än 2 år ago

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I Plead the Fifth

Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

mer än 2 år ago

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Find the nearest prime number

Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...

mer än 2 år ago

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Is it really a 5?

A number containing at least one five will be passed to your function, which must return true or false depending upon whether th...

mer än 2 år ago

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Is this is a Tic Tac Toe X Win?

For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

mer än 2 år ago

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5 Prime Numbers

Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

mer än 2 år ago

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Basic electricity in a dry situation

This is a very hypothetical situation between two individuals in a very dry atmosphere. He came running in rubber boots when...

mer än 2 år ago

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Predicting life and death of a memory-less light bulb

You have a light bulb that can fail any moment according to the exponential probability distribution. At any moment, the pro...

mer än 2 år ago

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Octoberfest festival

A group of students decided to visit Octoberfest festival. First they ordered one beer, then after half-hour they taken one more...

mer än 2 år ago