Solved

Use R2016b Text Manipulations to Fix These Addresses (Part 2)

We have a series of addresses like the following which we'd like to reformat. All the addresses are in the Boston area of Mass...

ungefär 6 år ago

Solved

Combine the first and last names

MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

ungefär 6 år ago

Solved

Words Count: A String Array Approach

Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

ungefär 6 år ago

Solved

How Many Months Until It's Today Again?

Given a particular date, calculate how many months must pass before that same day of the month occurs on the same day of the wee...

ungefär 6 år ago

Solved

Stuff the Board

You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

mer än 6 år ago

Solved

Generalised Hamming Number

Inspired by Project Euler n°204 and Problem 1308 by James A generalised Hamming number of type n, has no prime factor larger ...

mer än 6 år ago

Solved

Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

mer än 6 år ago

Solved

Quote Doubler

Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

mer än 6 år ago

Solved

Replace NaNs with the number that appears to its left in the row.

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

mer än 6 år ago

Solved

Pangrams!

A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

mer än 6 år ago

Solved

Find the longest sequence of 1's in a binary sequence.

Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

mer än 6 år ago

Solved

Is this matrix orthogonal?

Given a square matrix, a, determine whether it is orthogonal. INPUT: a, a n x n matrix OUTPUT: true or false

mer än 6 år ago

Solved

Getting the absolute index from a matrix

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get the <http://www.ma...

mer än 6 år ago

Solved

Back to basics 16 - byte order

Covering some basic topics I haven't seen elsewhere on Cody. Switch the byte order of the input (i.e. if little-endian -> big...

mer än 6 år ago

Solved

Choose the best fitting dominoes

You will be given a cell array of nx2 matrices. Choose one row from each matrix. These are the ordered pairs that will be plac...

mer än 6 år ago

Solved

Solitaire Cipher

Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...

mer än 6 år ago

Solved

Find best domino orientation

Given a list of pairs, find the orientation they should be placed in a line, such that the sum of the absolute values of the dif...

mer än 6 år ago

Solved

Project Euler: Problem 5, Smallest multiple

2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smalle...

mer än 6 år ago

Solved

Cannon Ball

Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

mer än 6 år ago

Solved

Back to basics 19 - character types

Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

mer än 6 år ago

Solved

What's Your BMI?

Find the body mass index. For reference, please refer to Wikipedia here: <http://en.wikipedia.org/wiki/Body_mass_index body ...

mer än 6 år ago

Solved

Find out missing number from a vector of 9 elements

You are given a vector of size 9, x = [x1 x2 x3 x4 x5 x6 x7 x8 x9] Elements of x may be randomly selected without repeati...

mer än 6 år ago

Solved

Determine the number of odd integers in a vector

Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

mer än 6 år ago

Solved

Geometric series

Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

mer än 6 år ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci

Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

mer än 6 år ago

Solved

Find best placement for ordered dominoes (harder)

Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

mer än 6 år ago

Solved

Matrix which contains the values of an other matrix A at the given locations.

If you have two matrices, which together give xc and yc coordinates into another matrix, eg : xc = [1 1 1; 2 2 1]; ...

mer än 6 år ago

Solved

Remove the air bubbles

Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

mer än 6 år ago

Solved

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.

mer än 6 år ago

Solved

Angle between two vectors

You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...

mer än 6 år ago