# Franck Dernoncourt

### MIT

Research Assistant in Artificial Intelligence (PhD) at MIT

http://francky.me

Professional Interests: Artificial Intelligence

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**Content Feed**

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 ...

ungefär 8 år 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...

ungefär 8 år 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. ...

mer än 8 år 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...

mer än 8 år 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....

nästan 9 år 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-...

ungefär 9 år 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...

ungefär 9 år 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...

ungefär 9 år 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...

mer än 9 år 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 ...

mer än 9 år 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...

mer än 10 år 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

mer än 10 år 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...

mer än 10 år ago

Solved

Volume of this donut

Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.

mer än 10 år 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...

mer än 10 år 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...

mer än 10 år 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.

mer än 10 år 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.

mer än 10 år 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 ...

mer än 10 år 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 ...

mer än 10 år 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...

mer än 10 år 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...

mer än 10 år ago

Solved

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...

mer än 10 år ago

Solved

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...

mer än 10 år ago

Solved

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...

mer än 10 år ago

Solved

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 ...

mer än 10 år ago

Solved

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...

mer än 10 år 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...

mer än 10 år 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 = ...

mer än 10 år ago