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Marco Riani


Last seen: 2日 前

University of Parma

153 2019 年以降の合計貢献数

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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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

2日 前

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

2日 前 | ダウンロード 298 件 |

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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...

14日 前 | 0

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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 ...

25日 前

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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...

約2ヶ月 前

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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 ...

約2ヶ月 前

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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...

約2ヶ月 前

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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]; ...

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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...

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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...

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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 ...

約2ヶ月 前

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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...

約2ヶ月 前

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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...

約2ヶ月 前

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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...

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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...

約2ヶ月 前

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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: ...

約2ヶ月 前

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Max index of 3D array
Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

約2ヶ月 前

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Change the sign of even index entries of the reversed vector
change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...

約2ヶ月 前

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Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

2ヶ月 前

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