Community Profile

Job

Universiteit Utrecht

23 total contributions since 2013

View details...

Contributions in
View by

Submitted

Super-fast Kuwahara image filter (for n-dimensional real or complex data)
Edge preserving filter, fast Fourier-based implementation.

Submitted

soapSnake - understanding complex functions
Didactic tool to understand complex functions over the real domain.

Submitted

Quantitative Susceptibility Mapping for MRI part 1
Superfast Quantitative Susceptibility Mapping from MRI phase data.

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...

5 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...

5 years ago

Solved

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 ...

5 years ago

Solved

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

5 years ago

Solved

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...

5 years ago

Solved

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 ...

5 years ago

Solved

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

5 years ago

Solved

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

5 years ago

Solved

you just measured its surface area, that is the input.

5 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...

5 years ago

Solved

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.

5 years ago

Solved

Compute circular convolution
In signal processing, we usually encounter the circular convolution case. Compute it here using the two input sequences (denoted...

5 years ago

Solved

FizzBuzz
<http://c2.com/cgi/wiki?FizzBuzzTest FizzBuzz Test> The "Fizz-Buzz test" is an interview question designed to help filter out...

5 years ago

Submitted

Bubblegum plot
Scatter plot with soap bubbels

Submitted

Langton's Ant
2D Turing machine with simple set of rules but complex emergent behavior

Submitted

Complex 3D data viewer for MRI images/spectra
Scrollable 3D viewer for complex MR-data (intensity = magnitude, color = phase)

Submitted

Quantitative Susceptibility Mapping for MRI part 2
Magnitude Weighted Quantitative Susceptibility Mapping.

Submitted

Maximum Intensity Projection with color coding for depth
MIP-viewer, in which the color represents the depth of the voxel with the maximum intensity.

Submitted

Forward field-shift calculation for MRI
Superfast MRI field shift calculation based on a known susceptibility distribution.