Tommaso Belluzzo
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Quantitative Engineer
Python, C++, Java, C#, PHP, Javascript, R, MATLAB, SQL, HTML, CSS
Spoken Languages:
English, French, Italian, Chinese
Estadística
CLASIFICACIÓN
285.261
of 295.775
REPUTACIÓN
0
CONTRIBUCIONES
13 Preguntas
1 Respuesta
ACEPTACIÓN DE RESPUESTAS
53.85%
VOTOS RECIBIDOS
0
CLASIFICACIÓN
2.907 of 20.280
REPUTACIÓN
557
EVALUACIÓN MEDIA
5.00
CONTRIBUCIONES
7 Archivos
DESCARGAS
23
ALL TIME DESCARGAS
3157
CLASIFICACIÓN
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CONTRIBUCIONES
0 Problemas
21 Soluciones
PUNTUACIÓN
251
NÚMERO DE INSIGNIAS
2
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0 Publicaciones
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EVALUACIÓN MEDIA
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0 Temas destacados
MEDIA DE ME GUSTA
Feeds
Enviada
Systemic Risk
A framework for systemic risk valuation and analysis.
5 meses hace | 13 descargas |
Enviada
Basel Tools
A framework for a rough estimation of Basel IV capital requirements.
casi 2 años hace | 1 descarga |
Enviada
Benford's Law
A framework for Benford's Law conformity assessment.
casi 2 años hace | 2 descargas |
Enviada
HFMRD: Hedge Funds Misreported Returns Detector
A framework for detecting misreported returns in hedge funds.
casi 2 años hace | 1 descarga |
Enviada
Historical Volatility
A framework for historical volatility estimation and analysis.
casi 2 años hace | 2 descargas |
Resuelto
The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...
alrededor de 3 años hace
Resuelto
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 ...
alrededor de 3 años hace
Resuelto
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...
alrededor de 3 años hace
Resuelto
Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...
alrededor de 3 años hace
Resuelto
Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
alrededor de 3 años hace
Resuelto
Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
alrededor de 3 años hace
Resuelto
Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...
alrededor de 3 años hace
Resuelto
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
alrededor de 3 años hace
Resuelto
Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...
alrededor de 3 años hace
Resuelto
Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
alrededor de 3 años hace
Resuelto
Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...
alrededor de 3 años hace
Resuelto
Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...
alrededor de 3 años hace
Resuelto
Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...
alrededor de 3 años hace
Resuelto
Find relatively common elements in matrix rows
You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...
alrededor de 3 años hace
Resuelto
Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...
alrededor de 3 años hace
Resuelto
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...
alrededor de 3 años hace
Resuelto
QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a standard U.S. QWERTY keyboard and it...
alrededor de 3 años hace
Resuelto
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
alrededor de 3 años hace
Resuelto
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...
alrededor de 3 años hace
Resuelto
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:...
alrededor de 3 años hace
Enviada
Table SQL
A script for performing SQL CRUD operations on Matlab tables.
más de 4 años hace | 3 descargas |
Pregunta
Cross-Entropy Minimization - Extreme Code Performance
I'm working on a multivariate cross-entropy minimization model (for more details about it, see this paper, pp. 32-33). It's purp...
más de 4 años hace | 0 respuestas | 0
0
respuestasPregunta
FMINCON Linear Constraint Strictly Greater/Less Than
Hi all, I need some help to correctly build two linear constraints to be used in FMINCON (SQP algorithm). My system has 4 param...
más de 4 años hace | 1 respuesta | 0
1
respuestaPregunta
Loopin Matrix Multiplication Performance Improvement
Hi all! I'm struggling to reduce computation time on a function I created: function [beta,covariance,residuals] = hac_regressio...
más de 4 años hace | 0 respuestas | 0