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String Logic 4
Example: 'CAT' --> 'IGZ' 'DOG' --> 'JUM' 'MATLAB' --> 'SGZRGH' 'ROSY' --> 'XUYE' 'TRUST' --> 'ZXAYZ' 'MOSTLY' --> 'SUYZ...

2 months ago

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String Logic 3
Example: 'CAT' --> 'RPI' 'DOG' --> 'SDV' 'MATLAB' --> 'BPIAPQ' 'ROSY' --> 'GDHN' 'TRUST' --> 'IGJHI' 'MOSTLY' --> 'BDHI...

2 months ago

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String Logic 1
Examples: 'CAT' --> 'IGZ' 'DOG' --> 'JUM'

2 months ago

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Distance walked 3D
suppose you go from x-y-z coordinates [3,4,2] to [0,0,2] to [0,1,2] to [1,1,2], to [1,1,20] then you walked 25 units of distance...

2 months ago

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Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

2 months ago

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Distance walked 2D
Suppose you go from x-y coordinates [3,4] to [0,0] to [0,1] to [1,1], then you walked 7 units of distance.

2 months ago

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Create the Ulam spiral
Have you ever seen this wonderful spiral ? The Ulam Spiral is arranging prime numbers in a clockwise spiral starting in 0. Give...

2 months ago

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Get the n-th rand number with given seed
Given seed s, return the n-th rand number using rand(). Round the answer with 4 digits. n is a postive integer.

2 months ago

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Check if a matrix Diagonal is equal to its secondary diagonal
Your function should return True if the secondary diagonal is equal to diagonal, and False otherwise. Eg: M = [1 2 1 ...

2 months ago

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Ramanujan's Number
About 1729 1729 is the first positive integer which can be expressed as the sum of two positive cubes in two different ways. ...

2 months ago

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Draw the symbol '+'
Draw '+' in an x-by-x matrix (where x is odd and x >3) Example: x = 5 y = [0 0 1 0 0 0 0 1 0 0 1 1 1 1 1 0 ...

2 months ago

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Determining if a Degree Sequence is Potentially a Graph
A degree sequence is a list of numbers representing the degrees of vertices in a graph. While it is difficult to tell if a graph...

2 months ago

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Add the number of horizontal and vertical movements to each matrix element
Given n, create a square matrix and with element (1,1) = 1, add 1 to each element for each horitizonal and vertical movement. E...

2 months ago

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Determine Center of Mass for a Set of Floating Spheres
Each sphere has a position determined by theta (x,y plane angle) and tau (elevation angle) as well as L, the distance of the cen...

2 months ago

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Draw 'Y'
Draw 'Y' in an x-by-x matrix (where x is odd and x >= 3) Examples: x = 3 y = [1 0 1 0 1 0 0 1 0] x = 5 y = [1...

2 months ago

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Matrix Rotation
You are given a 2D matrix of dimension [m,n] and a positive integer r. You have to rotate the matrix r times and print the resul...

2 months ago

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Circle Division
A circle can be divided into 2 sections, by placing 2 points in arbitrary locations along its circumference and drawing a straig...

2 months ago

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Backgammon #4 - Dice Probabilities
Previous problems in this series have looked at how a backgammon board might be represented, and board positions manipulated and...

2 months ago

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Backgammon #3 - Display a Board Position
A previous problem in this occasional series (Problem 45967) set up a possible representation of a backgammon board: White ston...

2 months ago

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Draw 'P' !!!
Draw a n by n matrix 'P' using 0s and 1s. (n is odd and greater than 4) if n=5 , then the output will be [1 1 1 1 1 1 0 0 0...

2 months ago

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Determine whether a player solved a Cody problem
Write a function to determine whether a player has solved the specified Cody problems. The problem numbers are specified as a ve...

2 months ago

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Evaluate Poker Hand
Given an input table of card values and card suits between five and thirteen cards, choose the best five cards and output the ra...

2 months ago

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Solve an ODE: first-order linear equation
In the fall semester of [redacted], my professor for a course on ordinary differential equations said, “There are two groups of ...

2 months ago

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Solve an ODE: nonlinear third-order equation
Write a function to solve the ordinary differential equation on the domain with , , and either or . The input variable ord ...

2 months ago

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Check whether a Wordle guess is consistent with previous feedback
The game Wordle resembles the classic game Mastermind. Players try to guess a five-letter word, and after each guess they are to...

2 months ago

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Secure Password
You are joining the MATLAB Central platform to solve a question on Cody. The signup page, requires you to input an id and a pass...

2 months ago

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Easy Sequences 67: Project Euler Problem 1 - Not Again!!!
You know the drill... Given two integers and , with , find the sum of all positive integers below , that are multiples of any ...

2 months ago

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Wordle
Wordle is an english game where you need to guess a 5 letter word. For each guess you'll receive a feedback for the placement of...

2 months ago

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Determine Fundamental Solution of Pell Equation
Given, a positive value (d), determine the fundamental solution [x, y] of the Pell equation: x^2 - d*y^2 = 1. Provide character...

2 months ago

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Time reverse indices
Time reverse the index values as follows IndexIn = [7 1 0] IndexOut = [7 6 0] Note that the indices are zero based and so...

2 months ago