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Marco Riani


Last seen: 1 día ago

University of Parma

156 total contributions since 2019

Full Professor of Statistics (since 2006), University of Parma, Italy. Director of the interdepartmental center of robust statistics for big data (Ro.S.A.) of the University of Parma since 2016.
He is author of more than 150 publications and two books published by Springer Verlag New York.
His main research interests are robust statistics (regression, multivariate analysis and classification)

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Solved


Is the paranthesis sequence balanced ?
Quantum mechanics and computer science are interested in <http://en.wikipedia.org/wiki/Bra%E2%80%93ket_notation bra-kets>. Today...

1 día ago

Solved


Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

1 día ago

Solved


Join Strings with Multiple Different Delimiters
The idea is to form the string S by interleaving the elements of a cell array of strings DELIMITER and another cell array of st...

1 día 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 días ago

Submitted


FSDA
Robust regression, robust multivariate analysis, robust classification and much more...

5 días ago | 289 downloads |

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Answered
Eigenvalues (eig) and singular values (svd)
Hello Gabri, the answer in short is: "the difference is due to numerical errors". For example in the normal case % Normal cas...

17 días ago | 0

| accepted

Solved


Eliminate Polysyllabics: Long live short words!
Given a string s1, return s2 in which all the words with more than one syllable have been removed. To make things simple, we ...

28 días ago

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Evened up (or not)
You will be provided with an array or matrix that contains various numbers, in addition to an evening variable, e, set to 1 or 0...

alrededor de 2 meses ago

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Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

alrededor de 2 meses ago

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Power Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on times that represent powers. Fo...

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Matrix Pattern 6

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Matrix Pattern 5

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Matrix Pattern 9

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Matrix Pattern 10

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Matrix Pattern 8

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Matrix Pattern 7

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Matrix Pattern 4

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Matrix Pattern 3

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Matrix Pattern 2

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Matrix Pattern 1

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Implement a bubble sort technique and output the number of swaps required
A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

alrededor de 2 meses ago

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Finding peaks
Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...

alrededor de 2 meses ago

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Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

alrededor de 2 meses ago

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Reference Index Number
Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly...

alrededor de 2 meses ago

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Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

alrededor de 2 meses ago

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Set a diagonal
Given a matrix M, row vector v of appropriate length, and diagonal index d (where 0 indicates the main diagonal and off-diagonal...

alrededor de 2 meses ago

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Decimation - Optimized for speed
This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

alrededor de 2 meses ago

Solved


Decimation
When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

alrededor de 2 meses ago

Solved


Oh Zero Zero Zero!!!
Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

2 meses ago

Solved


Unique values without using UNIQUE function
You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...

2 meses ago

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