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Franck Dernoncourt
MIT
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Research Assistant in Artificial Intelligence (PhD) at MIT
http://francky.me
Professional Interests: Artificial Intelligence
Statistics
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Question
Wavelet Toolbox's cwt(): benchmark against other wavelet libraries?
Hi, Is there any benchmark comparing the speed of Wavelet Toolbox's cwt() against other wavelet libraries written in Matlab ...
10 years ago | 0 answers | 0
0
answersHow to parallel 4 works with PARFOR with a Core i3 in Matlab
To change the value of NumWorkers from 2 to 4 of the local cluster profile programmatically, you can <http://www.mathworks.com/h...
10 years ago | 4
Question
Why do I need to be logged in to access the Archived MathWorks Documentation?
The Archived MathWorks Documentation for Matlab ( <http://www.mathworks.com/help/doc-archives.html> ) requires to be logged in. ...
10 years ago | 1 answer | 2
1
answerQuestion
How can I change the behavior of the commenting function so that the location of the % respect the indentation?
When I comment the line 5 using ctrl+R> or clicking on the "comment" icon: <</matlabcentral/answers/uploaded_files/7685/JBdz6...
10 years ago | 1 answer | 0
1
answerGap Staticstics Implementation
The Statistics Toolbox implements the gap statistic as a class in the package `clustering.evaluation` since R2013b: <http://www....
11 years ago | 0
Question
How can I solve "Invalid object handle" error when trying to open a .fig?
When I try to open a figure using open('my_figure.fig'), I have this error message: <<https://qph.is.quoracdn.net/main-qimg-...
11 years ago | 2 answers | 0
2
answersQuestion
How can I bind more than one email address to my MathWorks account?
I would like to bind two email addresses to my MathWorks account: my usual e-mail address and my Institute e-mail address that I...
11 years ago | 0 answers | 0
0
answersQuestion
How to generate a geographical heat map? (worldwide, country-level granularity)
I want to create a geographical heat map like the following in MATLAB: <<http://i.stack.imgur.com/64DJY.png>> Each color i...
11 years ago | 1 answer | 1
1
answerNeuroEvolution of Augmenting Topologies(NEAT) in MATLAB
<http://nn.cs.utexas.edu/soft-view.php?SoftID=23> : _The Matlab NEAT package contains Matlab source code for the NeuroEvolut...
11 years ago | 1
Question
How can I plot a neural network?
Say I created a neural network, such as net = feedforwardnet(30);, which I trained [net tr] = train(net,p,t); How can I plot ...
11 years ago | 4 answers | 0
4
answersSolved
Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...
12 years ago
Solved
Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable
12 years ago
Solved
Back to basics 16 - byte order
Covering some basic topics I haven't seen elsewhere on Cody. Switch the byte order of the input (i.e. if little-endian -> big...
12 years ago
Solved
Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.
12 years ago
Solved
No Twins?
Write a function that accepts as input a vector and returns the same vector, but retaining only the first occurrence of an eleme...
12 years ago
Solved
Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...
12 years ago
Solved
Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.
12 years ago
Solved
vectorization in N
For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.
12 years ago
Solved
Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...
12 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 ...
12 years ago
Solved
Recurring Cycle Length (Inspired by Project Euler Problem 26)
Preface: This problem is inspired by <http://projecteuler.net/problem=26 Project Euler Problem 26> and uses text from that quest...
12 years ago
Solved
Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...
12 years ago
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Subset Sum
Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...
12 years ago
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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...
12 years ago
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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...
12 years ago
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Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...
12 years ago
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Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...
12 years ago
Solved
Renaming a field in a structure array
MATLAB has a <http://www.mathworks.com/help/techdoc/ref/setfield.html setfield> and a <http://www.mathworks.com/help/techdoc/ref...
12 years ago
Solved
Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...
12 years ago