Gelöst


Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

etwa 12 Jahre vor

Gelöst


Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

etwa 12 Jahre vor

Gelöst


Back to basics 14 - Keywords
Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of all MATLAB keywords

etwa 12 Jahre vor

Gelöst


Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

etwa 12 Jahre vor

Gelöst


Magic!
Check whether the input matrix is a normal magic square: <http://en.wikipedia.org/wiki/Magic_square> Output the logical va...

etwa 12 Jahre vor

Gelöst


Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

etwa 12 Jahre vor

Gelöst


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...

etwa 12 Jahre vor

Gelöst


Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

etwa 12 Jahre vor

Gelöst


given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

etwa 12 Jahre vor

Gelöst


surface of a spherical planet
you just discovered its circumference, that is the input.

etwa 12 Jahre vor

Gelöst


Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

etwa 12 Jahre vor

Gelöst


It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

etwa 12 Jahre vor

Gelöst


Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

etwa 12 Jahre vor

Gelöst


Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

etwa 12 Jahre vor

Gelöst


Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

etwa 12 Jahre vor

Gelöst


How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

etwa 12 Jahre vor

Gelöst


Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

etwa 12 Jahre vor

Gelöst


Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

etwa 12 Jahre vor

Gelöst


All your base are belong to us
Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

etwa 12 Jahre vor

Gelöst


Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

etwa 12 Jahre vor

Gelöst


Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

etwa 12 Jahre vor

Gelöst


Maximum running product for a string of numbers
Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

etwa 12 Jahre vor

Gelöst


Implement a ROT13 cipher
Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

etwa 12 Jahre vor

Gelöst


Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

etwa 12 Jahre vor

Gelöst


QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

etwa 12 Jahre vor

Gelöst


Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

etwa 12 Jahre vor

Gelöst


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 ...

etwa 12 Jahre vor

Gelöst


Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

etwa 12 Jahre vor

Gelöst


Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

etwa 12 Jahre vor

Gelöst


Subset Sum
Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

etwa 12 Jahre vor

Mehr laden