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# Francesco Perrone

89 total contributions since 2009

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Question

Develop circular buffer block in Simulink
Dear all, I am currently try to implement a circular buffer block in Simulink, since I do not have access to the DSP Toolbox....

8 months ago | 1 Answers | 0

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Submitted

3D Turbulent Wind Generation
Generation of three-dimensional turbulent wind fields

Question

Hallo everybody, I am about to start working on an interface between Simulink modules and GH BLADED, software tailored to sim...

3 years ago | 1 Answers | 0

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Posted

Hallo everybody, I'd appreciate to understand if any of you may address me to an up-to-date documentation regarding the generat...

3 years ago | 1150 views

Responded

Re: Calculate distance matrix
It's partially true, but all the 0-values, typical of the diagonal, are missing.

3 years ago | 1959 views

Posted

Calculate distance matrix
Hi everybody, I hope you will have the right answer to this question, which is rather challanging. I have two uni-dimensional ...

3 years ago | 1959 views

Posted

Frequency array feeds real valued FFT
The final goal I am trying to achieve is the generation of a ten minutes time series: to achieve this I have to perform an FFT o...

3 years ago | 1486 views

Posted

I'd like knowing if there is any way to bypass the call for quad2d with a nested trapz loop. I'll discuss my problem with some m...

3 years ago | 786 views

Responded

Re: Lapack spptrf function
Dear Mr. Tursa, I just made a little change to your code: between lin 44 and 46 your called a while loop: while( (N*(N+1))/2 ...

3 years ago | 1971 views

Responded

Re: Lapack spptrf function
Dear Mr. Tursa, I really thank for writing the mex wrapper for spptrf. I will test as soon as I will have access to MATLAB. Ki...

3 years ago | 1971 views

Responded

Re: Lapack spptrf function
Dear Mr. Tursa, I have a certain n*n matrix. Then calling my_matrix = nn_matrix(itril(size(nn_matrix))); I am able to wrap i...

3 years ago | 1971 views

Responded

Re: Lapack spptrf function
Dear Mr. Lord, yes I am aware of the function CHOL and I am already using it. But CHOL gets tremendously slow when factorizing...

3 years ago | 1971 views

Posted

Lapack spptrf function
Hi everybody, I have got a question concerning a specific LAPACK function: spptrf. spptrf allows for a Cholesky factorization ...

3 years ago | 1971 views

Question

Minimize error between data distribution and expected distribution
Hi all, I have a 3 set of data which are expected to: 1) 1st data-block to approach a Gaussian distribution with mu = 0 an...

3 years ago | 1 Answers | 0

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Responded

Re: how can generate random integer numbers?
I would use randi function.

3 years ago | 68849 views

Responded

Re: manipulate data to better fit a Gaussian Distribution
I would more go for a least-squares fitting, but I don't really have a clue how to setup it within MATLAB. Generally, I would c...

3 years ago | 1371 views

Responded

Re: manipulate data to better fit a Gaussian Distribution
It's quite a simplistic method. Unfortunately, I cannot magnify the number of representations because of some reasons I will no...

3 years ago | 1371 views

Posted

manipulate data to better fit a Gaussian Distribution
Hi all, I have got a question concerning normal distribution (with mu = 0 and sigma = 1). Let say that I firstly call randn or...

3 years ago | 1371 views

Responded

Re: Speedup this function
Currently I'm running the following alternative version of the above function: function beta = beta_calc(k,c,gamma) k_1d = resh...

4 years ago | 843 views

Posted

Speedup this function
Hallo everybody, I'd like knowing any possible ways to speedup the execution of the following function: function beta = beta_c...

4 years ago | 843 views

Posted

Construct this function!
Hi everybody, starting from this code: tic k1 = 0.01:0.1:100; k2 = 0.01:0.1:100; k3 = 0.01:0.1:100; k = sqrt(k1.^2 + k2.^2 +...

4 years ago | 829 views

Responded

Re: Handle function implicitly accounting for independent variables
Dear Steven Lord, I changed my approach a little bit. At the moment I'm doing like this: 1. First I wrote a standard function...

4 years ago | 1000 views

Posted

Handle function implicitly accounting for independent variables
I have that clc, clear all, close all tic k1 = 1E-02:0.1:1E+02; k2 = 1E-02:0.1:1E+02; k3 = 1E-02:0.1:1E+02; k = sqrt(k1.^2+k...

4 years ago | 1000 views

Responded

Re: Double Integral error
Steve, would it be possible to use the first approach you proposed with dblquad, accounting for k2 and k3 at the same time? I...

4 years ago | 1473 views

Responded

Re: Double Integral error
Hi Steve, collecting all the data I have, I came up with the idea that dblquad does not work cause k1 is a huge array and not j...

4 years ago | 1473 views

Responded

Re: Double Integral error
Dear Steven, yesterday in Answer I posted the same question, but appending some figures better explaining the procedure I gotta...

4 years ago | 1473 views

Responded

Re: how put the three windows together
Simply by clicking on Desktop in the default GUI. WKR, Francesco

4 years ago | 2426 views

Posted

Double Integral error
Good Morning everybody, I have this code: clc, clear all, close all %% Inizialization time = 614.4; % Analysis Time Uhub = 11;...

4 years ago | 1473 views

Question

Procedure to calculate a double integral
Good Morning everybody, I'd like to perform what follows: <<http://i.stack.imgur.com/HsFla.jpg>> where <<http://i....

4 years ago | 0 Answers | 0