Community Profile

photo

Dylan


Last seen: circa 4 anni fa Attivo dal 2016

PhD Student in Behavioural Neuroscience

Statistiche

  • Scavenger Finisher
  • Commenter
  • Solver

Visualizza badge

Content Feed

Visto da

Risolto


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...

circa 4 anni fa

Risolto


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...

oltre 7 anni fa

Risolto


Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

oltre 7 anni fa

Risolto


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

oltre 7 anni fa

Risolto


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...

oltre 7 anni fa

Risolto


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...

oltre 7 anni fa

Risolto


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...

oltre 7 anni fa

Risolto


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

oltre 7 anni fa

Risolto


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

oltre 7 anni fa

Risolto


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

oltre 7 anni fa

Risolto


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 + ...

oltre 7 anni fa

Risolto


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

oltre 7 anni fa

Risolto


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...

oltre 7 anni fa

Risolto


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...

oltre 7 anni fa

Risolto


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...

oltre 7 anni fa

Risolto


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

oltre 7 anni fa

Risolto


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

oltre 7 anni fa

Risolto


How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

oltre 7 anni fa

Risolto


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...

oltre 7 anni fa

Risolto


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...

quasi 8 anni fa

Risolto


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...

quasi 8 anni fa

Risolto


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

quasi 8 anni fa

Risolto


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

quasi 8 anni fa

Risolto


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

quasi 8 anni fa

Risolto


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 ...

quasi 8 anni fa

Risolto


Is my wife right?
Regardless of input, output the string 'yes'.

quasi 8 anni fa

Risolto


Add two numbers
Given a and b, return the sum a+b in c.

quasi 8 anni fa

Risolto


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

quasi 8 anni fa

Risolto


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:...

quasi 8 anni fa

Risolto


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

quasi 8 anni fa

Carica altro