Solved

Finding Perfect Squares

Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

12 months ago

Solved

Word Counting and Indexing

You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

12 months ago

Solved

Interpolator

You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

12 months ago

Solved

Given a window, how many subsets of a vector sum positive

Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

1 year ago

Solved

Find the maximum number of decimal places in a set of numbers

Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

1 year ago

Solved

Make roundn function

Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

1 year ago

Solved

Rounding off numbers to n decimals

Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

1 year ago

Solved

Matlab Basics - Rounding III

Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

1 year ago

Solved

Matlab Basics - Rounding II

Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

1 year ago

Solved

Check that number is whole number

Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

1 year ago

Solved

MATLAB Basic: rounding IV

Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

1 year ago

Solved

MATLAB Basic: rounding III

Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

1 year ago

Solved

MATLAB Basic: rounding II

Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

1 year ago

Solved

MATLAB Basic: rounding

Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

1 year ago

Solved

Convert a vector into numbers

Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

1 year ago

Solved

Find the longest match inside two strings

Given two strings, find the longest string which is contained within both strings. e.g. the longest string that is contained ...

1 year ago

Solved

Broken numlock key, oppps !

The numlock key on my computer is pressed and is now broken, so I cant press it to switch off the numlock mode. And hence I am n...

1 year ago

Solved

Flip the bit

Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

1 year ago

Solved

Reverse within string

If input is a string 'yellow' the output should be 'leywol'. Locate the middle of the string and reverse the first (yel) and sec...

1 year ago

Solved

Kryptos - CIA Cypher Sculpture: Vignere Decryption

The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Decrypt tw...

1 year ago

Solved

Simple Caesar Cypher - shift encrypt a message given an index number

A Caesar cypher is a simple shift encryption method. Your goal is to create a function that allows a user to input a string and ...

1 year ago

Solved

Backslang, odds are you used it at some point in time...

So backslang is a language that can be used to communicate in an easy decode code, if people know the rules of decoding it. Wel...

1 year ago

Solved

NO _________ ALLOWED....

So you're given a sentence where if there is a particular word in the sentence then the output is 1, if it is not there then the...

1 year ago

Solved

Split a given string from the first instance of a given character

A simple operation to split a given string into two substrings at the point where the desired character is first found. e.g. ...

1 year ago

Solved

Concatenate strings

concatenate a variable number of input strings to produce one outputstring

1 year ago

Solved

Kryptos - CIA Cypher Sculpture: Vigenere Encryption

The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Encrypt tw...

1 year ago

Solved

Convert Two Character String into a Binary Vector

Given a string "XOXXO" convert it into a binary vector. [1 0 1 1 0] Paul Berglund implemented an optimal method in <http://ww...

1 year ago

Solved

most frequent character

Obtain the most frequent character. For example, s='balaram'; output='a'; If there is a tie between letters, return t...

1 year ago

Solved

Count letters occurence in text, specific to words with a given length.

Build a function with two input arguments: a string and a word length (number of letters), that outputs a vector of counts of th...

1 year ago

Solved

Mean and standard deviation of times in string

Input(t) - cell of strings with times in format 'min:sec.ms' Output([m, s]) - two strings with mean and standard deviation wi...

1 year ago