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Guvanch Gurbandurdyyev


Bilkent University

Aktiv seit 2017

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Gelöst


Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

fast 7 Jahre vor

Gelöst


Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

fast 7 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...

fast 7 Jahre vor

Gelöst


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

fast 7 Jahre vor

Gelöst


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

fast 7 Jahre vor

Gelöst


Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

fast 7 Jahre vor

Gelöst


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

fast 7 Jahre vor

Gelöst


Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

fast 7 Jahre vor

Gelöst


what is sin of 0
what is sin of 0

fast 7 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, ....

fast 7 Jahre vor

Gelöst


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

fast 7 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...

fast 7 Jahre vor

Gelöst


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

fast 7 Jahre vor

Gelöst


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

fast 7 Jahre vor

Gelöst


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

fast 7 Jahre vor

Gelöst


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

fast 7 Jahre vor

Gelöst


How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

etwa 7 Jahre vor

Gelöst


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

etwa 7 Jahre vor

Gelöst


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

etwa 7 Jahre vor

Gelöst


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

etwa 7 Jahre vor

Gelöst


Return the 3n+1 sequence for n
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 7 Jahre vor

Gelöst


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

etwa 7 Jahre vor

Gelöst


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

etwa 7 Jahre vor

Gelöst


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

etwa 7 Jahre vor

Gelöst


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

etwa 7 Jahre vor

Gelöst


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

etwa 7 Jahre vor

Gelöst


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

etwa 7 Jahre vor

Gelöst


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

etwa 7 Jahre vor

Gelöst


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

etwa 7 Jahre vor

Gelöst


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

etwa 7 Jahre vor

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