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 8 Jahre vor

Gelöst

Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

etwa 8 Jahre vor

Gelöst

Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

etwa 8 Jahre vor

Gelöst

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

etwa 8 Jahre vor

Gelöst

Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

etwa 8 Jahre vor

Gelöst

Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

etwa 8 Jahre vor

Gelöst

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

etwa 8 Jahre vor

Gelöst

Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

etwa 8 Jahre vor

Gelöst

Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

etwa 8 Jahre vor

Gelöst

Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

etwa 8 Jahre vor

Gelöst

Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

etwa 8 Jahre vor

Gelöst

Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

etwa 8 Jahre vor

Gelöst

Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

etwa 8 Jahre vor

Gelöst

Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

etwa 8 Jahre vor

Gelöst

Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

mehr als 8 Jahre vor

Gelöst

Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

mehr als 8 Jahre vor

Gelöst

The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

mehr als 8 Jahre vor

Gelöst

Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

mehr als 8 Jahre vor

Gelöst

intersection of matrices
Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

mehr als 8 Jahre vor

Gelöst

First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

mehr als 8 Jahre vor

Gelöst

Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

mehr als 8 Jahre vor

Gelöst

Reindex a vector
You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

mehr als 8 Jahre vor

Gelöst

Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

mehr als 8 Jahre vor

Gelöst

We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

fast 9 Jahre vor

Gelöst

Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

fast 9 Jahre vor

Gelöst

Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...

fast 9 Jahre vor

Gelöst

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

fast 9 Jahre vor

Gelöst

Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

mehr als 9 Jahre vor

Gelöst

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

mehr als 9 Jahre vor

Gelöst

Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

mehr als 9 Jahre vor