Solved

Function Sniffer
Given a string, find out which built-in functions are present, output a simple string, that has sorted and unique list of the...

10 days ago

Solved

Looking for Squares
Need n squares that equal one square all together, none zero, none fractured. For example, calling squares(2) should output [16 ...

10 days ago

Solved

resistor ladder
* You have a bunch (an odd number N) of identical resistors (each R ohms), a good battery (V volts), and a high impedance voltme...

10 days ago

Solved

exactly?
given two strings of numeric expressions such as '1-7/14' and '11/22+0.2^2', return 1 if they are numerically exactly equal othe...

10 days ago

Solved

N-Dimensional Array Slice
Given an N-dimensional array, _A_, an index, _I_, and a dimension, _d_, return the _I_ th elements of _A_ in the _d_ dimension. ...

10 days ago

Solved

Maintain shape of logical-index mask
When using logical indexing into an array, MATLAB returns a vector output. For example, if A = magic(3); mask = logi...

10 days ago

Solved

A stroll on the beach: finding a route round a connected region
You are standing on the beach of an island, which you must explore by walking all the way round its coast. Each step is in one o...

10 days ago

Solved

Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.

10 days ago

Solved

Fizz Buzz
Given an array of positive, non-zero, integers, return a cell array of strings the same size as the input, where each element in...

10 days ago

Solved

Data decompression
A chunk of data is to be 'decompressed'. Input: * compressed: a row vector of uint8 values. This is the compressed data. ...

10 days ago

Solved

Pull the variable y_correct from the Caller's Workspace
*Description* This highlights a very easy to use and high-scoring cheat that can be used on almost all Cody questions.

10 days ago

Solved

Reverse Boggle
Description In the classic Parker Brothers game Boggle, players find words from a 4x4 game board of letters. This exercise is t...

10 days ago

Solved

Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): Once a mont...

10 days ago

Solved

Compress list
Given a non-empty list L of positif integers, compress the list so that only one occurrence is retained if two (or more) equal e...

10 days ago

Solved

Percentage profit:5: Cumulative Interest
If a bank is giving r% yearly cumulative interest for deposit, how much profit we can get by keeping x amount of money for n mon...

10 days ago

Solved

Portfolio diversification: choose your stocks !
we have the returns of 3 stocks for the last 4 years and we have to combine only 2 stocks that are less correlated. Example: st...

10 days ago

Solved

String Find with Wildcards of a Cell array
Given a cell array of strings and a search string with single character (?) or multiple character (*) wildness return the indice...

10 days ago

Solved

Homogeneous lines and points in 2D: problem 1
In high school we learn the line equation y = mx + c where m is the gradient and c is the intercept. However this form is proble...

10 days ago

Solved

Matlab Basics II - Find the roots of a function
Write a function that finds where a curve crosses zero (the x-axis) to two decimal places Example: <<http://s14.postimg.o...

10 days ago

Solved

Write script that gives matrix like the following example:)
if x=2; y=[2 1; 1 1] if x=4; y=[4 3 2 1 3 3 2 1 0 2 2 1 0 0 1 1] if x=5; y=[5 4 3 2 ...

10 days ago

Solved

Convert elements in numeric array into different class
Write a function that converts elements in a numeric array into a different class. Example: a = [1:5]; % class: double b...

10 days ago

Solved

Dealing with correlation results!
In this problem we would like to transform correlation coefficient MATRIX to a VECTOR which includes only unique elements of coe...

10 days ago

Solved

Functionality 1
It's all about functionality. *Cheating is allowed but not required*

10 days ago

Solved

PIN code II
A cell phones requires a PIN code to open which only includes numbers; how long (in terms of minutes) does it take to enter all ...

10 days ago

Solved

Normalizing a vector
Normalizing a set of values is an important operation in mathematics, consisting in affinely transforming a set of values in an ...

10 days ago

Solved

Mandelbrot Set Generator Class
Create a class Mandelbrot that computes the Mandelbrot set on a given complex plane window. The Mandelbrot set is defined by it...

10 days ago

Solved

Gene Duplication with Sequencing Errors
You are investigating the genome of the bacterium Codex matlabius. A virus that infects C. matlabius is known to insert long, re...

10 days ago

Solved

Caesar Cipher: shift a lowercase string
A Caesar cipher shifts every letter forward through the alphabet by a fixed amount, wrapping around from z back to a. Given a...

10 days ago

Solved

Sum of proper divisors (aliquot sum)
A proper divisor of a positive integer n is any divisor of n except n itself. The aliquot sum is the sum of all proper divisors....

10 days ago

Solved

is the number happy?
test is a given integer number is Happy of not? answer 1 if yes or 0 is no

11 days ago