Aslak Grinsted

Centre for Ice and Climate, NBI, Copenhagen University

Last seen: 25 days ago | Active since 2003

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Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

7 years ago

Solved

The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

7 years ago

Submitted

timed waitbar
A progress bar in a single line of code with ETA

8 years ago | 2 downloads |

Submitted

geoimread
Reads a sub region of a geotiff or geojp2 image.

9 years ago | 9 downloads |

Solved

Let's see how peculiar we can get
The task is to multiply two numbers. But do it in the most peculiar possible way.

9 years ago

Submitted

Ensemble MCMC sampler
An affine invariant ensemble Markov Chain Monte Carlo sampler

9 years ago | 6 downloads |

Submitted

Markov Chain Monte Carlo sampling of posterior distribution
MCMC sampling of using a cascaded metropolis

9 years ago | 8 downloads |

Submitted

cachedcall
Cache the results of slow function calls

9 years ago | 1 download |

Submitted

quantreg(x,y,tau,order,Nboot)
Quantile regression with bootstrapping confidence intervals

9 years ago | 21 downloads |

Submitted

datetickzoom for R2014b onwards
Zoom Adaptive Datetick

9 years ago | 1 download |

Submitted

hslcolormap
Generate pleasing HSL colormaps easily.

10 years ago | 1 download |

Submitted

netcdfobj - netcdf made easy.
Easy interface for reading netcdf files.

10 years ago | 1 download |

Submitted

depeval - check for dependencies
Test if a function will work without access to specific toolboxes

10 years ago | 1 download |

Submitted

Tidal fitting toolbox
fit tidal components to an observed series of sea level and use them for prediction

10 years ago | 13 downloads |

Submitted

ImGRAFT
An Image Georectification and Feature Tracking toolbox

10 years ago | 3 downloads |

Submitted

Use shorthand for text layout
Allows you to specify alignment options using single character flags.

10 years ago | 1 download |

Solved

Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

10 years ago

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Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

10 years ago

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How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

10 years ago

Solved

Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

10 years ago

Solved

Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

10 years ago

Submitted

A cross wavelet and wavelet coherence toolbox
A widely used open-source wavelet coherence toolbox for matlab

10 years ago | 0 downloads |

Submitted

Cross wavelet and wavelet coherence
A cross wavelet and wavelet coherence toolbox

10 years ago | 39 downloads |

Answered
what are the similarity measures between two signals
There are really many different measures and they are good at different things (e.g. phase correlation). The two measures y...

10 years ago | 0

Answered
How can I find the Difference between the Min and Max of all matching cells over different matrices?
I would put the 12 matrices in a 33x45x12 matrix. Then you can simply call max(x,3)-min(x,3) the '3' refers to take th...

10 years ago | 0

Solved

Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

10 years ago

Solved

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

10 years ago

Submitted

flexload.m
A simple and flexible text data file parser

10 years ago | 1 download |

Solved

Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

10 years ago

Solved

Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

10 years ago

Aslak Grinsted

Centre for Ice and Climate, NBI, Copenhagen University

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