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Rosenbrock's Banana Function and its derivatives

Write a function to return the value of <http://en.wikipedia.org/wiki/Rosenbrock_function Rosenbrock's two-dimensional banana fu...

8 months ago

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Sudoku Solver - Standard 9x9

Solve a Standard 9x9 <http://en.wikipedia.org/wiki/Sudoku Sudoku>. Values 1 thru 9 occur in each row, column, and the nine non-o...

8 months ago

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Valid Chess Moves

Using <http://en.wikipedia.org/wiki/Algebraic_chess_notation standard Algebraic notation> ('' for a pawn), given previous move a...

8 months ago

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GJam 2014 China Rd B: Sudoku Checker

This Challenge is derived from <http://code.google.com/codejam/contest/2929486/dashboard#s=p0 GJam 2014 China Sudoku>. Large Cas...

8 months ago

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Binary Inversion

Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x. For example if x is 5, y should b...

8 months ago

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Pattern Sum

Write a function which receives two single digit positive integers, (k and m) as parameters and calculates the total sum as: k...

8 months ago

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Calculate vowel / consonant ratio of a string

Given a string, calculate the ratio of vowels to consonants for example : x = 'This is a very good Day!' y = 7/11

8 months ago

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Sales Prediction

Miss X is a shopaholic person and every weekend she goes to a mall. There are total of 10 shops. Miss X starts from shop #1 and ...

8 months ago

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Image Series 3 Complementary

Find the Complementary of image which is 8 bits gray scale image. Each pixel is converted to binary format in the image. A...

8 months ago

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Create a New_Word

The output of the function is a new word created from the word entered into the function. The new word is created by deleting th...

8 months ago

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How many complete pizzas

x is a vector with numbers of pizza slices. A corresponding vector n indicates in how many slices the pizza slices of x were cut...

8 months ago

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convert between ascii and characters

I have seen multiple problems like this but none of them have a robust test suite associated with them. The first input C is ...

8 months ago

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Generate one sample of uniform random numbers between -pi and +pi

Generate one sample of uniform random numbers between -pi and +pi.

8 months ago

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X plus binary inverted x

Given a n-bits number x, what is the sum of x to the binary inverted version of x? (this might be more simple than you think :-)...

8 months ago

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Negative without '-'

Simple: return a negative number without using the '-' sign. Thanks to Problem <https://www.mathworks.com/matlabcentral/cody/...

8 months ago

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Add 3 (x<=100) Or Subtract 100 and add 3(100<x)

Add 3 to every element. However, if the value is greater than 100, subtract 100 and add 3. eg. input x = [45 106; 67 1...

8 months ago

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The twelve days of Christmas

Traditionally there are twelve days of Christmas to celebrate ("Twelvetide"), typically starting with Christmas Day (25 December...

8 months ago

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remove nans fast

There are several ways to locate and remove nans in a matrix, and return an 1d row vector. In this problem the challenge is ...

8 months ago

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Divide the Least Common Multiple by the Greatest Common Divisor of two numbers

Divide the Least Common Multiple by the Greatest Common Divisor of two numbers. For example, for x=12345 and y=54321, the answer...

8 months ago

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Calculating the total earnings of a factory

The row vector, prods contains the number of various products manufactured per hour. The second row vector, prices holds values ...

8 months ago

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Creating a code via test suite :)

Given the test suites, create a code that would fit them :) *Clue: Pascal's Triangle

8 months ago

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How brilliant are you?

A Brilliant number is defined as a number with two prime factors, both of which have the same number of digits. Some examples: ...

8 months ago

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Stress-Strain Properties - 5

Similar to the previous problem, materials may be characterized by their stiffness-to-weight ratio, which is the elastic modulus...

8 months ago

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Stress-Strain Properties - 4

A common measure of the ability of a material to carry load per unit mass is termed strength-to-weight ratio and is calculated b...

8 months ago

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Pseudo Square Root (Inspired by Project Euler 266)

Shamelessly copied from the Project Euler page for Problem 266: ------------- The divisors of 12 are: 1,2,3,4,6 and 12. T...

8 months ago

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Make one vector from two others

You are given two vectors of equal length. Your task is to create a MATLAB script that will repeat all of the values in the fir...

8 months ago

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Logical array indexing - part 1

Given an array |A| of size |p x q| , return an array |Y| of the same size such that the following conditions are satisfied. (...

8 months ago