Michael Völker

Aktiv seit 2011

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Professional Interests: signal processing in MRI

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

mehr als 9 Jahre vor | 1 Download |

Beantwortet
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(...

mehr als 11 Jahre vor | 0

| akzeptiert

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

mehr als 11 Jahre vor | 7 Downloads |

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

etwa 12 Jahre vor | 4 Downloads |

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

etwa 12 Jahre vor | 1 Download |

Gesendet

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

mehr als 12 Jahre vor | 2 Downloads |

Beantwortet
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'...

mehr als 12 Jahre vor | 36

| akzeptiert

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sub2allind
convert subscripts to ALL corresponding indices

fast 13 Jahre vor | 1 Download |

Gelöst

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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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 + ...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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 ...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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...

etwa 13 Jahre vor

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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 ...

etwa 13 Jahre vor

Gelöst

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...

etwa 13 Jahre vor

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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.

etwa 13 Jahre vor

Gelöst

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 ...

etwa 13 Jahre vor

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

etwa 14 Jahre vor | 1 Download |

Michael Völker

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