Solved

Given a Vector v1, create v2 which is the sum of each two adjacent elements in v1. {length(v2)=length(v1)-1}

if v1 is [1 2 3 4 5 6 7 8] then v2 should be [3 5 7 9 11 13 15]. if v1 is [1; 3; 5; 7] the...

2 years ago

Solved

Opposite point of the earth, what is the antipodal of a point ?

Given two strings(lat and long) that represent the geographic coordinates of a point in the earth, you have to find out what is ...

2 years ago

Solved

Calculate Resistance 2

In this problem, you have to calculate Resistance R of a linear conductor having voltage V across it and current I is passing i...

2 years ago

Solved

Calculate Resistance

Calculate Resistance R of a linear conductor having resistivity p, length l and area A

2 years ago

Solved

Add 3 numbers

In this problem, you have to add three numbers a, b and c. Give output d = add(a,b,c)

2 years ago

Solved

Sum of a geometric series

Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.

2 years ago

Problem

Lights Out 12 - 5x5, three stages, <7 moves

<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

2 years ago | 0 | 8 solvers

Problem

Lights Out 11 - 5x5, with wrapping, x moves

<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

2 years ago | 1 | 10 solvers

Solved

Permutation Via Multiplication

Given two numbers a and b, determine if the product ab is a permutation of the digits of a. For example, this is always true for...

2 years ago

Solved

Mean number of letters per word (Easy)

Given a character array, s, representing a sentence, return a, the arithmetic mean of the number of letters per word in the give...

2 years ago

Solved

X O X Oh!

_This follows on from problem 44850 - X O X O_ <https://www.mathworks.com/matlabcentral/cody/problems/44850-x-o-x-o> On a...

2 years ago

Solved

X O X O

On a noughts and crosses board, how many possible unique combinations are there given a square grid of length n? Assumptions/...

2 years ago

Solved

Say type of roots in quadratic equation

Given the coefficients of a quadratic equation, write a function that gives the output y='RealDifferent' if the roots are real a...

2 years ago

Solved

Just another sum (JAS)

*Task:* Write a function that takes a vector X and returns the alternating sum of X: X(1)-X(2)+X(3)-X(4)+... *Example...

2 years ago

Solved

Double the next!

Given two numbers, m and n, find a matrix m x n where each element value is twice the value of the previous element. Starting fr...

2 years ago

Solved

Iccanobif numbers 1

There are a lot of problems in Cody that deal with Fibonacci numbers (1, 1, 2, 3, 5, 8, 13, 21 etc...) so let's turn things arou...

2 years ago

Solved

Calculate the square of a number (Super Easy)

The goal is to calculate the square (y) of a number (x). Good way to start MatLab for beginners.

2 years ago

Solved

Scalar Matrix Manipulation

Assume, input x is a scalar matrix such as, x = 2 0 0 0 2 0 0 0 2 th...

2 years ago

Solved

Add consecutive integer numbers

Given consecutive numbers, add the numbers *without using the sum command in MATLAB.*

2 years ago

Solved

Wrecked Angles?

It's time for some simple geometry fun to start off the new year. You will be given the perimeter P and the area A of a recta...

2 years ago

Solved

Optimization of cylinder surface area

Optimization of a cylinder surface area. What are the best parameters (radius and height) to get the minimum cylinder surface a...

2 years ago

Solved

Cube root of max value in a vector

Find the cube root of the maximum value in a vector

2 years ago

Solved

Cannibal eating odd and even numbered men

There are N men in a queue. A cannibal eats either all odd-numbered or all even-numbered men in the queue at a time. In the fi...

2 years ago

Solved

Lunar Arithmetic (Addition)

<https://oeis.org/A087061 OEIS link for a description of lunar arithmetic> Simply take the larger digit. Example 1: ...

2 years ago

Solved

Muphry's Law of MATLAB

You're running some simple multiplication problems through MATLAB for error checking purposes, but nothing seems to come up with...

2 years ago

Problem

Lights Out 10 - 5x5, with wrapping, 6 moves

<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

2 years ago | 2 | 10 solvers

Problem

Lights Out 9 - 5x5, light-only solution? II

<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

2 years ago | 1 | 11 solvers

Problem

Word Distance - Average Sort

Based on the method of <https://www.mathworks.com/matlabcentral/cody/problems/44815-word-distance-sum this problem>, write a fun...

2 years ago | 2 | 10 solvers