Solved

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...

9 years 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 + ...

9 years ago

Solved

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...

9 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...

9 years ago

Solved

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...

9 years 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...

9 years ago

Solved

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...

9 years 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...

9 years ago

Solved

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...

9 years ago

Solved

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

9 years ago

Solved

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...

9 years ago

Solved

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...

9 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...

9 years ago

Solved

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...

9 years ago

Solved

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...

9 years ago

Solved

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 ...

9 years ago

Solved

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...

9 years ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

9 years ago

Solved

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

9 years ago

Solved

Find longest run
Write a function longest_run that takes as input an array of 0's and 1's and outputs the length and index of the longest consecu...

9 years ago

Answered
Matlab GUIDE: how to deal with multiple overlapping panels
It IS possible to do it via on/off. But then you will have to place all panels above each other which makes it not so nice to e...

9 years ago | 0

Submitted

intriangulation(vertices,faces,testp,heavytest)
Are 3D-testpoints located inside or outside an arbitrary watertight mesh with vertices and faces?

9 years ago | 6 downloads |

4.8 / 5

Question

Why is the rectangle command so much slower on the new graphics engine?
Hi folks, i am just comparing the performance in plotting a lot of filled circles via the rectangle command. My benchmark is ...

9 years ago | 1 answer | 0

1

answer

Answered
Determining toolbox dependency of a series of scripts
Jakob, i am also struggling with that functionality. The short answer is: There is no functional command in Matlab that wi...

10 years ago | 1

Question

Alphashape calculated with points and triangles
Hi there, another alphaShape related question: If i do not only have a point cloud, but if i also have some triangulation of ...

10 years ago | 0 answers | 0

0

answers

Question

Find midpoints of alphashape's defining spheres
Hi there, if i compute a 3d-alphashape on a pointcloud...is it possible to find the midpoints of those spheres, which are def...

10 years ago | 1 answer | 0

1

answer

Submitted

Minimal Bounding Box
Minimal bounding box around points in the (x,y,z) space

11 years ago | 1 download |

4.9 / 5

Question

Screen is flickering at Matlab startup for 2014b
Dear all, i had a change of my computing device three weeks ago and i was and am using Matlab R2014b on the new and old machi...

11 years ago | 2 answers | 0

2

answers

Question

Output of REAL filled circle from figure
Dear all, my question refers to Matlab R2014b. (1) I want to plot a number of filled circles with varying diameters into ...

11 years ago | 0 answers | 0

0

answers

Answered
What handle graphics objects have an empty 'Children' property in MATLAB R2014b?
And how to make filled contours semi-transparent? Contour object can either be filled or not, but there is no such thing as Face...

11 years ago | 2