Solved

Project Euler: Problem 11, Largest product in a grid
What is the greatest product of _k_ adjacent numbers in the same direction (up, down, left, right, or diagonally) in a _n×n_ gri...

ungefär 3 år ago

Solved

Sum of big primes without primes
Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to ...

ungefär 3 år ago

Solved

Sums of cubes and squares of sums
Given the positive integers 1:n, can you: 1. Compute twice the sum of the cubes of those numbers. 2. Subtract the square...

ungefär 3 år ago

Solved

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...

ungefär 3 år ago

Solved

Concatenated roots
Which is the value of this infinte concatenated roots? <<https://s27.postimg.org/i4hkin7xf/Code_Cogs_Eqn.gif>> Note: If ...

ungefär 3 år ago

Solved

Calculate Euler's phi function
Compute the Euler's phi function of a large integer. For more information about this topic please visit: <https://en.wikiped...

ungefär 3 år ago

Solved

Vector pop
Take |n| elements from the end of the vector |v| and return both the shorten vector |v| and the |n| elements in a separate vecto...

ungefär 3 år ago

Solved

Vector push
Append an element |x| to the end of the vector |v| and return both the extended vector and the new number of its elements. |x| c...

ungefär 3 år ago

Solved

Please check the last row
We have data of matrix, that is input. That contains 2 or more rows and the last row should contain the average of each column,...

ungefär 3 år ago

Solved

Converting Decimal to Binary
Given a decimal number that may include a fractional component, convert it into binary representation. The numbers you are given...

ungefär 3 år ago

Solved

Church Encoding
Church encoded numeral is a function which takes two arguments _f_ and _x_ and applies _f_ to _x_ several times. For example,...

ungefär 3 år ago

Solved

calculate PI without using pi function
There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

ungefär 3 år ago

Solved

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

ungefär 3 år ago

Solved

Calculate cosine without cos(x)
Solve cos(x). The use of the function cos() and sin() is not allowed.

ungefär 3 år ago

Solved

Determinant without using det()
Given a square matrix A, compute the <http://en.wikipedia.org/wiki/Determinant determinant> of A. Note that you may not use t...

ungefär 3 år ago

Solved

Airline Ticket Mod7 Checksum
There are 13 digits in an airline ticket number. If an airline ticket number is valid, the 13th digit should be the remainder of...

ungefär 3 år ago

Solved

Array ex-OR
There are in MATLAB logical functions such as _<http://www.mathworks.co.uk/help/matlab/ref/and.html and>,_ _<http://www.math...

ungefär 3 år ago

Solved

Number of even divisors of a given number
Given a Number n, return the number of its even divisors without listing them. example: n=14 ; EvenDivisors={2,14} ; y=2 ...

ungefär 3 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...

ungefär 3 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...

ungefär 3 år ago

Solved

Split bread like the Pharaohs - Egyptian fractions and greedy algorithm
How would you split 5 loaves of bread among 8 people in all fairness? Get a hint from the Pharaohs. 5/8 = 4/8 + 1/8 , i.e. each ...

ungefär 3 år ago

Solved

Decode a simplified barcode
Given a bar code from this <http://www.mathworks.com/matlabcentral/cody/problems/602-make-a-simplified-bar-code exercise>: Re...

ungefär 3 år ago

Solved

Make a simplified barcode
Given an integer to encode, make a barcode using the following encoding scheme: * The bar code is made from the binary versio...

ungefär 3 år ago

Solved

7 segment LED display
Given a whole number, output how many segments would be lit up to display it on a 7 segment LED display (see Wikipedia: <http://...

ungefär 3 år ago

Solved

Convert Roman to Arabic Numerals
Based upon what I see on tv and at the movies, the use of Roman numerals indicates something is important or sophisticated (e.g....

ungefär 3 år ago

Solved

Math with Roman Numerals
Given a function R within (+,-,*,/) and two Roman numerals a & b, compute aRb in Roman numerals.

ungefär 3 år ago

Solved

Matrix Pattern 10

ungefär 3 år ago

Solved

Matrix Pattern 9

ungefär 3 år ago

Solved

Matrix Pattern 8

ungefär 3 år ago

Solved

Matrix Pattern 7

ungefär 3 år ago