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# Esen Ozbay

Last seen: 27 days ago Active since 2020

Communications engineer. Aspiring clean code writer.

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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...

1 month ago

Knnsearch: How to output disntace?
If you write [Idx, dist] =knnsearch (nodes,nodes,'K',2); you will obtain the distances mentioned in the documentation.

7 months ago | 1

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Unexpected, unexplained, difference between Matrix linear index and row and column subscripts
You have forgotten to write 1: in the first line. for i=size(P,1)*size(P,2) must be for i = 1:size(P,1)*size(P,2) You proba...

7 months ago | 1

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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 ...

8 months ago

How to Cell indexing
If you want, you can access X1 as X1=11; X2=22; u{1}=[X1,X2]; u{1}(1) % this will yield ans = 11; The above notation me...

8 months ago | 0

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

9 months ago

sim command not opening Simulink model but workspace shows output variable ans ?!
Is it possible that you have created a variable or another function with the same name? Try the command which sim to see what ...

9 months ago | 1

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Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

9 months ago

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Encode Roman Numerals
Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

9 months ago

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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...

9 months ago

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Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

9 months ago

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Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the roots of the p...

9 months ago

How to plot multiple lines with gray color
Replace plot(p) with: plot(XAxis, p, 'Color', [0.5 0.5 0.5]) You can write any number between 0 and 1 instead of 0.5, as long...

9 months ago | 1

what does Validation Patience mean in training Option?
Validation patience is the number of epochs that the algorithm tries to improve the performance before giving up (if the error i...

9 months ago | 1

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Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

9 months ago

How to reference or filter range of data in table using information from another table?
DesiredData = cpit(startIdx:endIdx, 2); maxData = max(DesiredData); Hope this works! :)

10 months ago | 0

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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...

10 months ago

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

10 months 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 ...

10 months ago

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

10 months ago

How to reference or filter range of data in table using information from another table?
Here is my attempt: for episodeIdx = 1:size(inflationepisodes,1) epStart = inflationepisodes(episodeIdx, 1); epEnd ...

10 months ago | 0

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

10 months ago

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Mandelbrot Numbers
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

10 months ago

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

10 months ago

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

10 months ago

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Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

10 months ago

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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

10 months ago

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

10 months ago

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MATLAB Basic: rounding IV