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**Content Feed**

Submitted

Super-fast Kuwahara image filter (for n-dimensional real or complex data)

Edge preserving filter, fast Fourier-based implementation.

5 years ago | 1 download |

Submitted

soapSnake - understanding complex functions

Didactic tool to understand complex functions over the real domain.

5 years ago | 1 download |

Submitted

Quantitative Susceptibility Mapping for MRI part 1

Superfast Quantitative Susceptibility Mapping from MRI phase data.

5 years ago | 7 downloads |

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

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

radius of a spherical planet

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

Langton's Ant

2D Turing machine with simple set of rules but complex emergent behavior

6 years ago | 3 downloads |

Submitted

Complex 3D data viewer for MRI images/spectra

Scrollable 3D viewer for complex MR-data (intensity = magnitude, color = phase)

6 years ago | 2 downloads |

Submitted

Quantitative Susceptibility Mapping for MRI part 2

Magnitude Weighted Quantitative Susceptibility Mapping.

6 years ago | 4 downloads |

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.

6 years ago | 4 downloads |

Submitted

Forward field-shift calculation for MRI

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

7 years ago | 2 downloads |

Submitted

Fourier Decomposition Demo

Visualizes how an image can be decomposed (and reconstructed) in 2D sinusoidal waves.

8 years ago | 4 downloads |