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Franck Dernoncourt


MIT

217 total contributions since 2011

Research Assistant in Artificial Intelligence (PhD) at MIT
http://francky.me
Professional Interests: Artificial Intelligence

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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 ...

2 years ago | 0 Answers | 0

0

answers

Posted


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 or...

2 years ago | 802 views

Answered
How 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...

2 years ago | 2

Responded


Re: Calling Python from MATLAB with system(): how to tell MATLAB not to change the Pythons environment?
I solve this issue: http://stackoverflow.com/a/23981419/395857 In short, I used the LD_PRELOAD trick, which allows to have a fi...

2 years ago | 2154 views

Posted


Calling Python from MATLAB with system(): how to tell MATLAB not to change the Pythons environment?
Hi, When using system('python some_python_script.py') in MATLAB, the latter seems to change the Python's environment (see http:...

2 years ago | 2154 views

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. ...

3 years ago | 1 Answers | 2

1

answer

Question


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...

3 years ago | 1 Answers | 0

1

answer

Posted


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. What...

3 years ago | 1018 views

Posted


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: http://i.stack.imgur.com/JBdz6.png I get: http://i.sta...

3 years ago | 749 views

Responded


Re: Matrix: set diagonal to zero
http://stackoverflow.com/a/3963587/395857 : A = ones(4) A(logical(eye(size(A)))) = 0 A =

3 years ago | 47207 views

Responded


Re: How can I check since which Matlab version a function exists?
6 years later, is it still impossible to check since which Matlab version a function exists? Ideally I would like to have a lis...

3 years ago | 11596 views

Answered
Gap Staticstics Implementation
The Statistics Toolbox implements the gap statistic as a class in the package `clustering.evaluation` since R2013b: <http://www....

3 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-...

3 years ago | 2 Answers | 0

2

answers

Question


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...

3 years ago | 0 Answers | 0

0

answers

Question


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...

3 years ago | 1 Answers | 0

1

answer

Answered
NeuroEvolution 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...

3 years ago | 0

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 ...

4 years ago | 1 Answers | 0

1

answer

Solved


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...

5 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

5 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...

5 years ago

Solved


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

5 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...

5 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...

5 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.

5 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.

5 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 ...

5 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 ...

5 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...

5 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...

5 years 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...

5 years ago

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