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Raymond MacNeil


Last seen: ungefär en månad ago Active since 2018

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Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

nästan 4 år ago

Solved


Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

nästan 4 år ago

Solved


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...

nästan 4 år ago

Solved


Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

nästan 4 år ago

Solved


Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

nästan 4 år ago

Question


Sequential, row-wise reshape of an M–by–N matrix to form a 1–by–N vector
Dumb question. Let's say I have the following matrix: A = [2 1 4 3 6 5 8 7 10 9]; I...

nästan 4 år ago | 1 answer | 0

1

answer

Answered
Compare Data from two tables and show how close the comparison is as a percentage
How are you loading in the data? If you're currently using readtable(), I strongly encourage you to instead use textscan(). In d...

nästan 4 år ago | 1

| accepted

Answered
Removing zeros from a binary array if length of zeros is lesser than a value
k = [0;0;0;0;0;0;0;1;0;1;1;1;0;0;0;0;0;0;1;1;0;0;0;0]; y = regexp(num2str(k)', '(?<=[0]{5,})0*', 'split'); z = strjoin(cellfun...

ungefär 4 år ago | 0

Solved


Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

ungefär 4 år ago

Solved


Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

ungefär 4 år ago

Solved


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

ungefär 4 år ago

Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

ungefär 4 år ago

Solved


Create a vector
Create a vector from 0 to n by intervals of 2.

ungefär 4 år ago

Solved


Find max
Find the maximum value of a given vector or matrix.

ungefär 4 år ago

Solved


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

ungefär 4 år ago

Solved


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

ungefär 4 år ago

Solved


Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

ungefär 4 år ago

Solved


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 ...

ungefär 4 år ago

Solved


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...

ungefär 4 år ago

Answered
My school needs to upgrade its license. I do not know what toolboxes to request. Who should I ask for advice?
Hi Valerie: I was at one point a lab technichian, and though I did not have the higher-level adminstrative role that you seem ...

ungefär 4 år ago | 0

| accepted

Solved


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...

ungefär 4 år ago

Solved


Find the peak 3n+1 sequence value
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...

ungefär 4 år 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...

ungefär 4 år 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...

ungefär 4 år ago

Solved


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 + ...

ungefär 4 år ago

Solved


Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

ungefär 4 år ago

Solved


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...

ungefär 4 år 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 ...

ungefär 4 år ago

Question


regexp: what am I missing from the documentation?
I have tried to carefully read the regexp documentation, and I am able to sucessfully implement regexp in the simplest cases. F...

ungefär 4 år ago | 1 answer | 0

1

answer

Solved


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

mer än 4 år ago

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