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A Simple Tide Gauge with MATLAB

*∿ ∿ ∿ ∿ ∿ ∿ ∿ ∿* You are standing in a few inches of sea water on a beach. You a...

2 years ago

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Predicting life and death of a memory-less light bulb

*💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 💡 &...

2 years ago

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Write c^3 as sum of two squares a^2+b^2

write c^3 as sum of two squares a^2+b^2. a and b must be integer and greater than zero. For example 5^3 = 2^2 + 11^2 5...

2 years ago

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Van Eck's Sequence's nth member

Return the Van Eck's Sequence's nth member. For detailed info : <http://oeis.org/A181391 OEIS link> and <https://www.theguard...

2 years 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...

2 years 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) ...

2 years 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 =...

2 years ago

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Spot the First Occurrence of 5

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

2 years 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...

2 years ago

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

2 years 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...

2 years 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...

2 years 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://...

2 years 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...

2 years ago

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Pentagonal Numbers

Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...

2 years 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. ...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years ago

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Natural numbers in string form

Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

2 years ago

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Fix the last element of a cell array

Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

2 years ago

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String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

2 years ago

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Remove element(s) from cell array

You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

2 years ago

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Cell Counting: How Many Draws?

You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

2 years ago

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Convert a Cell Array into an Array

Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

2 years ago

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Split a string into chunks of specified length

Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

2 years ago

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Convert a numerical matrix into a cell array of strings

Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

2 years ago