# Esen Ozbay

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Communications engineer. Aspiring clean code writer.

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Solved

Convert given decimal number to binary number.

Convert given decimal number to binary number. Example x=10, then answer must be 1010.

2 months ago

Solved

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...

2 months ago

Solved

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:...

3 months ago

Biggest sum of series in Matlab

For this question, I think you should use a for loop and check each number one by one. If you use 'n' in your expression, the re...

2 years ago | 0

Solved

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...

2 years 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.

3 years ago | 1

| accepted

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...

3 years ago | 1

Solved

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 ...

3 years 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...

3 years ago | 0

| accepted

Solved

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...

3 years 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 ...

3 years ago | 1

Solved

Kaprekar Steps

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

3 years ago

Solved

Encode Roman Numerals

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

3 years ago

Solved

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...

3 years ago

Solved

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 ...

3 years ago

Solved

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...

3 years 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...

3 years ago | 2

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...

3 years ago | 2

Solved

Prime factor digits

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

3 years 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! :)

3 years ago | 0

Solved

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...

3 years ago

Solved

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...

3 years ago

Solved

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 ...

3 years ago

Solved

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...

3 years 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 ...

3 years ago | 0

| accepted

Solved

Pizza!

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

3 years ago

Solved

Mandelbrot Numbers

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

3 years ago

Solved

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) ...

3 years ago

Solved

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...

3 years ago

Solved

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

3 years ago