Matthew Esch
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3 of your answers have been accepted
Awarded to Matthew Esch on 30 Nov 2018
Provide your first answer ever to someone else's question
Awarded to Matthew Esch on 07 May 2018
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Awarded to Matthew Esch on 21 Jan 2018
Solve a problem for the first time
Awarded to Matthew Esch on 11 Jan 2018
Feeds
Resuelto
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 ...
más de 3 años hace
Resuelto
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:...
más de 3 años hace
Is it possible to zoom in during Preview in Image Acquisition Tool?
Hi Kae, Unfortunatly zoom is not currently supported by the preview function. For more information on this including a potentia...
más de 5 años hace | 0
| aceptada
Using python in matlab - substitute for []
I understand you are using Python from MATLAB and are having issue indexing into a Python Object. Is this object you are try...
casi 6 años hace | 0
How to compile functions that are in a package folder (i.e. has the + prefix)?
Good Morning Jessee, This is a known limitation our developers are considering for a future release. MATLAB files in packages...
casi 6 años hace | 1
| aceptada
how to read Arduino analog input into Matlab spectrumAnalyzer?
If you want to read Arduino analog input into MATLAB, take a look at the readVoltage function: https://www.mathworks.com/help...
casi 6 años hace | 0
| aceptada
Resuelto
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...
alrededor de 6 años hace
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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...
alrededor de 6 años hace
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Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...
alrededor de 6 años hace
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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...
alrededor de 6 años hace
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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...
alrededor de 6 años hace
Resuelto
Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...
alrededor de 6 años hace
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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...
más de 6 años hace
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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
más de 6 años hace
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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...
más de 6 años hace
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Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...
más de 6 años hace
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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...
más de 6 años hace
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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 other numbers. Otherwise return false. E...
más de 6 años hace
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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...
más de 6 años hace
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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
más de 6 años hace
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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...
más de 6 años hace
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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...
más de 6 años hace
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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
más de 6 años hace
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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
más de 6 años hace
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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...
más de 6 años hace
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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...
más de 6 años hace
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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
más de 6 años hace
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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...
más de 6 años hace
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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...
más de 6 años hace
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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
más de 6 años hace
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