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Michael Völker


Con actividad desde 2011

Professional Interests: signal processing in MRI

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  • Personal Best Downloads Level 1
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  • 5-Star Galaxy Level 3
  • GitHub Submissions Level 1
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Enviada


A safety net for MATLAB's clear command
intercept amok calls to clear() in interactive mode

más de 7 años hace | 1 descarga |

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Respondida
how do I plot one channel of data when I have 100 channels?
data = randn(100,300); % bad example for actual data channel = 76; % select channel to plot figure, plot(...

alrededor de 9 años hace | 0

| aceptada

Enviada


simulate motion in Cartesian MRI
Simulates Point Spread Function (PSF) and k-space data for motion in Cartesian sequences.

alrededor de 9 años hace | 4 descargas |

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Enviada


MRI Partial Fourier reconstruction with POCS
Fast and robust reconstruction of Cartesian partial Fourier MRI data with POCS

casi 10 años hace | 5 descargas |

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Enviada


hypersphere / n-sphere
Generate n-dimensional Ellipsoid or Sphere

alrededor de 10 años hace | 3 descargas |

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Enviada


Execute default function of a MATLAB installation
Execute the default function available as an m-file in MATLAB's installation directory.

alrededor de 10 años hace | 2 descargas |

Respondida
To find the maximum value in a matrix?
Starting in R2018b, you can use the following command to find the maximum over all elements in an array A: M = max(A, [], 'all'...

alrededor de 10 años hace | 34

| aceptada

Enviada


sub2allind
convert subscripts to ALL corresponding indices

casi 11 años hace | 1 descarga |

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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...

casi 11 años hace

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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...

casi 11 años hace

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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 + ...

casi 11 años hace

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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...

casi 11 años hace

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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...

casi 11 años hace

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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...

casi 11 años hace

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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 ...

casi 11 años hace

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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...

casi 11 años hace

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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...

casi 11 años hace

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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 ...

casi 11 años hace

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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. Example...

casi 11 años hace

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

casi 11 años hace

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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 ...

casi 11 años hace

Enviada


vectorized fibonacci
Given any integer array n, compute an array with the nth fibonacci numbers.

casi 12 años hace | 1 descarga |