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Jaime De La Mota Sanchis


Last seen: 3 giorni ago Active since 2019

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Recurrence relation for polynomial indices
Hello everyone. I am working with equation 19 of this paper, which reads. This is a recurrence relation to calculate polynomials...

13 giorni ago | 1 answer | 0

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Question


How can I interpolate time?
Hello everyone. I have a vector with times called tim1_1 , of size 51*1, I also have measurements called lam1_1 made at...

23 giorni ago | 1 answer | 0

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Question


Can I obtain the mathematical expression of a Radial basis function interpolation?
Hello everyone. I have recently found this code for Radial Basis Function interpolation. I have tested it with my own data and...

circa 2 mesi ago | 0 answers | 0

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Can I get the mathematical expression of an interpolation?
Hello everyone. I am working with interpolated data. I want to obtain the mathematical expression of the interpollating polyno...

circa 2 mesi ago | 1 answer | 0

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Can I use different models to do a 2D fit?
Hello everyone. I am currently working in a two-dimensional interpolation. I can write sfX = fit([positions(:,1), positions(:...

2 mesi ago | 1 answer | 0

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Question


Is there a two-dimensional sinc interpolation software?
Hello everyone. I have found this package of software. I am interested in doing a two-dimensonal sinc interpolation as defined i...

2 mesi ago | 2 answers | 0

2

answers

Question


Using fit inside a loop
I have constructed a for loop in which I save a set of XY positions and a measured windspeed field as: for i=1:50 windX_...

3 mesi ago | 1 answer | 0

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Can I save different variables inside of a for loop?
Hello everyone. I am working with a code in which 50 variables have to be saved. Each of them is a row of a matrix. I am tryin...

4 mesi ago | 2 answers | 0

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Can I turn realizations of stochastic processes into two-dimensional random fields?
Hello everyone. I have recently found this code which allows to generate random normal vectors. I was wondering if instead of ...

4 mesi ago | 0 answers | 0

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Help request using Wind field simulation (the fast version)
Hello everyone. I am currently working in an aircraft trajectory optimization problem in the presence of wind uncertainty. ...

4 mesi ago | 0 answers | 0

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Question


Can I generate two correlated random fields in matlab
Hello everyone. I am currently working with the functions avaiable at Random Field Simulator. I have been able to follow the e...

4 mesi ago | 0 answers | 0

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Problem understanding PCA and eigenvectors of covariance matrix
Hello everyone. I am currently working with the function pca, principal component analysis and also with the Karhunen-Loève expa...

5 mesi ago | 1 answer | 0

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answer

Question


I have a problem saving data
Hello everyone. I have constructed a matlab code which requires the saving of various variables. For that, I have written save...

5 mesi ago | 2 answers | 0

2

answers

Question


Can I obtain the covariance matrix of a stochastic process with plenty of measurements?
Hello everyone. I have implemented the Karhunen-Loève expansion as per this question. I have tested it with samples of data ...

6 mesi ago | 1 answer | 0

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Question


Reconstruction of a Stochastic Process usong the KL expansion
I have a matrix of size 1000*500 which contains 500 realizations of a Stochastic process. I have used the KL expansion as define...

6 mesi ago | 0 answers | 0

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Is there a difference between the Karhunen-Loève expansion and pca?
Hello everyone: I have a vector called listOfUVValues of size 1000*50, it contains 50 realizations of a stochastic process. I ne...

7 mesi ago | 1 answer | 0

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Answered
Problem calculating haversine. Obtained distance is too big
Never mind. i just found out I forgot a factor of 2 in the calculation of the haversine.

9 mesi ago | 0

Question


Problem calculating haversine. Obtained distance is too big
Hello everyone. I am working in airplane conflic detection. I have two aircraft optimized routes and I need to know the distance...

9 mesi ago | 1 answer | 0

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Question


How can I implement recurrence relations to find polynomials?
Hello everyone. I need to calculate some polynomials using a recurrence rule. I have the values of the polynomials of order zero...

10 mesi ago | 1 answer | 0

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answer

Question


Unable to read file 'axis'. No such file or directory.
Hello everyone. I just have installed Matlab R2020b in a new computer. I have tried to run an older file, and I get the followin...

circa un anno ago | 1 answer | 0

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Is there a way to calculate the coefficients of Legendre polynomials?
Hello everyone. I am currently working on conditioning a Henkel moment matrix. I am aware of the fact that the function equilibr...

oltre un anno ago | 0 answers | 0

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Issue using Delete to remove .txt file
Hello everyone. I am currently trying to reomove a .txt file before saving data on it to avoid superposition. I am using Delete ...

circa 2 anni ago | 0 answers | 0

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Can I choose the order of columns in the output of Pareto?
Hello everyone. I have a set of data and I want to use the function Pareto. In my data, the number of prblems caused by the colu...

circa 2 anni ago | 0 answers | 0

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Can I select the number of points in which ode45 is evaluated?
Hello everyone. I am currently trying to propagate an optimization problem by using the control and the initial conditions of th...

circa 2 anni ago | 1 answer | 0

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answer

Question


Problem using interp1 with a sharp change in the data
Hello everyone. I have a vector of data and I want to interpolate it using interp1. The problem is that there is a sharp incre...

circa 2 anni ago | 1 answer | 0

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Question about printing ode45 results
Hello everyone. I have recieved a code in which an expression is called as [t, x]=ode45(@(t,x) example(t,x),tspan,x0); inside of...

circa 2 anni ago | 1 answer | 0

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Question


Question about propt optimization code
Hello everyone. I have found the following example in which a version of Zermelo's optimization problem is solved. There is howe...

circa 2 anni ago | 0 answers | 0

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Two dimensional interpolation polynomial
Hello everyone. I have a file which size is 681*441, it contains values measured at 300321 points. I want to find the interpol...

circa 2 anni ago | 2 answers | 0

2

answers

Question


How can I construct sparse Smolyak index matrix in Matlab?
Good morning-afternoon. I need to construc a matrix defined by two variables. The first, d is the dimensions and the second, ...

circa 2 anni ago | 0 answers | 0

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Question


Can I construct a matrix multiplying a scalar and a vector?
I have a scalar i=3 and a vector j=[4; 5]. I want to generate the matrix k=[3 4; 3 5]. Is there a way to multiply i and j to ge...

circa 2 anni ago | 1 answer | 0

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