Roie Knaanie

Hebrew University of Jerusalem

Active since 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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Space Saver
Remove all characters that are below a space in ASCII value.

2 hours ago

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Reverse the Words (not letters) of a String
*Description* Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...

2 hours ago

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Convert String to Morse Code
Convert a given string to international <http://en.wikipedia.org/wiki/Morse_code Morse Code> * Strings will only have [A-z], ...

2 hours ago

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Decimal Comparison
*Background* A utility of particular interest to Cody and other MATLAB ventures is comparing the equality of two numbers. In ...

3 hours ago

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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...

4 hours ago

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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...

5 hours ago

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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...

6 hours ago

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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' ...

6 hours ago

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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

19 hours ago

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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...

19 hours ago

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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 ...

19 hours ago

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

19 hours ago

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

19 hours ago

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cube of number
find cube of number

19 hours ago

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square of a number
find square of a given number

19 hours ago

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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 ...

19 hours ago

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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 ...

1 day ago

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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 day ago

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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 day ago

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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 day ago

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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 day ago

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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 day ago

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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, ....

2 days ago

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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 days ago

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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 days ago

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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 days ago

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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 days ago

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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 days ago

Solved

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 days ago

Solved

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 days ago

Roie Knaanie

Hebrew University of Jerusalem

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