Roie Knaanie
Hebrew University of Jerusalem
Followers: 0 Following: 0
Lecturer at the Hebrew University of Jerusalem, Software and Programming languages
Python, Java, MATLAB, Perl
Spoken Languages:
English
Professional Interests:
Python with MATLAB, Algorithm Acceleration and Code Generation, Computational Biology, Computer Science
MATLAB Central Treasure Hunt finisher badge
Awarded to Roie Knaanie on 17 Oct 2022
Solve 500 problems
Awarded to Roie Knaanie on 08 Apr 2024
Obtain 50 solvers for a problem you have created
Awarded to Roie Knaanie on 05 Oct 2023
Solve all the problems in Indexing II
Awarded to Roie Knaanie on 29 Jul 2023
Solve all the problems in Matrix Patterns III problem group
Awarded to Roie Knaanie on 30 Dec 2022
Solve all the problems in Draw Letters problem group
Awarded to Roie Knaanie on 25 Dec 2022
Be the first to solve a problem
Awarded to Roie Knaanie on 16 Dec 2022
Create a problem
Awarded to Roie Knaanie on 16 Dec 2022
Solve all the problems in CUP Challenge
Awarded to Roie Knaanie on 03 Dec 2022
Solve at least 10 problems in 10 consecutive days during the Cody 10th Anniversary Contest
Awarded to Roie Knaanie on 31 Oct 2022
Solve all the problems in Introduction to MATLAB problem group
Awarded to Roie Knaanie on 19 Oct 2022
Solve Project Euler problems using Matlab
Awarded to Roie Knaanie on 17 Oct 2022
Feeds
解決済み
Flipping
Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...
11日 前
解決済み
Squaring Matrix
Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...
11日 前
解決済み
Deleting an element in a matrix
For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...
11日 前
解決済み
Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...
11日 前
解決済み
Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...
12日 前
解決済み
Numerical Integration
Input * |x0|, a real number greater than 0 Output * |I|, a numerical estimate of the integral x0 / I...
12日 前
解決済み
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
2ヶ月 前
解決済み
Twins in a Window
<http://en.wikipedia.org/wiki/Twin_primes Twin primes> are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a f...
4ヶ月 前
解決済み
Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...
4ヶ月 前
解決済み
Converting binary to decimals
Convert binary to decimals. Example: 010111 = 23. 110000 = 48.
4ヶ月 前
解決済み
Bit Reversal
Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...
4ヶ月 前
解決済み
Convert given decimal number to binary number.
Convert given decimal number to binary number. Example x=10, then answer must be 1010.
4ヶ月 前
解決済み
Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...
4ヶ月 前
解決済み
Convert from Fahrenheit to Celsius
Given an input vector F containing temperature values in Fahrenheit, return an output vector C that contains the values in Celsi...
4ヶ月 前
解決済み
Gold/Silver Standard
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/8045-gold-standard Gold Standard> problem, suppose that yo...
4ヶ月 前
解決済み
Gold Standard
Gold has long been used as currency and a standard for currency, due to its inherent value and rarity. Historical data for gold ...
4ヶ月 前
解決済み
Pattern Recognition 1 - Known Unit Length
You will be given various arrays, composed of numbers or strings. For this problem, the known pattern unit length is three. Writ...
4ヶ月 前
解決済み
Not square-free number sequence
Not square-free numbers are all positive integers divisible by a square greater than one: 4, 8, 9, 12, 16, 18, 20, 24, 25, 27, ....
4ヶ月 前
解決済み
Sphenic number sequence
Sphenic numbers are positive integers that are products of three distinct prime numbers: 30, 42, 66, 70, 78, 102, 105, 110, 114,...
4ヶ月 前
解決済み
Self-similarity 3 - Every other pair of terms
Self-similar integer sequences are certain sequences that can be reproduced by extracting a portion of the existing sequence. Se...
4ヶ月 前
解決済み
Twin Primes
Twin primes are pairs of primes that are immediately next to each other (difference of two). The lesser of twin primes are 3, 5,...
4ヶ月 前
解決済み
Self-similarity 2 - Every third term
Self-similar integer sequences are certain sequences that can be reproduced by extracting a portion of the existing sequence. Se...
4ヶ月 前
解決済み
Self-similarity 1 - Every other term
Self-similar integer sequences are certain sequences that can be reproduced by extracting a portion of the existing sequence. Se...
4ヶ月 前
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