Roie Knaanie

Hebrew University of Jerusalem

Attivo dal 2022

Followers: 0 Following: 0

Lecturer at the Hebrew University of Jerusalem, Software and Programming languages

Programming Languages:
Python, Java, MATLAB, Perl
Spoken Languages:
English
Professional Interests:
Python with MATLAB, Algorithm Acceleration and Code Generation, Computational Biology, Computer Science

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It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more here) asserted that readers are relatively insensitive to letter order in words, so long a...

circa un'ora fa

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Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifm...

circa un'ora fa

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Find matching parenthesis
One of the most indispensable things about a great text editor for programming is the ability to quickly jump between matching p...

circa 2 ore fa

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Add more zeros
Find code that adds one 0 to each sequence of 0 in a string (composed with only 0 or 1). For example: '1010' -> '100100' ...

circa 3 ore fa

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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

circa 15 ore fa

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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...

circa 15 ore fa

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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 ...

circa 15 ore fa

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Find the area of a triangle
Given a triangle with a base b and height h, return the triangle area.

circa 16 ore fa

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Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.

circa 16 ore fa

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cube of number
find cube of number

circa 16 ore fa

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square of a number
find square of a given number

circa 16 ore fa

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Remove the small words from a list of words.
Your job is to tidy up a list of words that appear in a string. The words are separated by one or more spaces. Remove all words ...

circa 16 ore fa

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

circa 22 ore fa

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Nth root of a number
Given an input and a number N, find the Nth root of the number(s)

1 giorno fa

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Remove white spaces at the end of the input string
Remove all trailing white spaces at the end of the input strings

1 giorno fa

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Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input is n=4 th...

1 giorno fa

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find number of times of occurrence of the most frequent number in a row vector
In a given row vector, find the number of times a mode of a row vector has occurred example: in [2 5 5 5 5 3], output is 4 ...

1 giorno fa

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Find prime number couples
Given a vector a, which will always contain at least one pair of prime numbers couple, return a matrix called 'couple' in which ...

1 giorno fa

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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, ....

1 giorno fa

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Find the two-word state names
Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...

2 giorni fa

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Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

2 giorni fa

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Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

2 giorni fa

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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...

2 giorni fa

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Use R2016b Text Manipulations to Fix These Addresses (Part 3)
We have a series of addresses like the following which we'd like to reformat. Each of the addresses lacks a space and a comma ...

3 giorni fa

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Use R2016b Text Manipulations to Fix These Addresses (Part 2)
We have a series of addresses like the following which we'd like to reformat. All the addresses are in the Boston area of Mass...

3 giorni fa

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Use R2016b Text Manipulations to Fix These Addresses (Part 1)
We have a series of addresses like the following which we'd like to reformat. Can you remove the latitude and longitude from the...

3 giorni fa

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Combine the first and last names
MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

3 giorni fa

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Get the area codes from a list of phone numbers
Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-647...

4 giorni fa

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Průměr z výběrového souboru
Napište funkci, která vrátí průměr z hodnot vektoru data. Např data = [1, 2, 3, 4, 5, 6, 7, 8, 9] je prumer = 5.

4 giorni fa

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Find relatively common elements in matrix rows
You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

4 giorni fa

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Roie Knaanie

Hebrew University of Jerusalem

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