# Norbert Marwan

### Potsdam Institute for Climate Impact Research

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Senior Researcher in the Potsdam Institute for Climate Impact Research (PIK), Rearch Domain Transdisciplinary Concepts and Methods, Germany Professional Interests: nonlinear time series analysis, recurrence based analysis, palaeoclimate

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Submitted

Recurrence Plot & Quantification Analysis

MATLAB scripts to create recurrence plots and to perform recurrence quantification analysis.

6 days ago | 3 downloads |

Solved

Pizza!

Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...

8 years ago

Solved

Sorted highest to lowest?

Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

8 years ago

Solved

Most nonzero elements in row

Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

8 years ago

Submitted

makeinstall

Create a single install file for your toolbox distribution.

10 years ago | 1 download |

Solved

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...

11 years ago

Solved

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 ...

11 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 ...

11 years ago

Solved

Determine if input is odd

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

11 years ago

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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...

11 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 ...

11 years ago

Solved

Wrap a vector, but insert NaN's at the wrap-positions.

When you plot a line that wraps, and do not want the sawtooth shape to show up in the plot, you can either draw all separate lin...

11 years ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

11 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...

11 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...

11 years ago

Submitted

mgui

MGUI bunchs your often used functions in order to simplify your work with data analysis in MATLAB.

15 years ago | 1 download |

Submitted

Windowed Cross Correlation (corrgram)

Computes windowed cross correlation

16 years ago | 3 downloads |

Submitted

Windowed mutual information (migram)

Computes a windowed mutual information

17 years ago | 1 download |

Submitted

Blue-orange Colormap (esa colormap)

A colormap with colors orange-white-light blue.

18 years ago | 3 downloads |

Submitted

Makeinstall Technology

The technology behind the Makeinstall tool.

19 years ago | 1 download |