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Jaime De La Mota Sanchis


Last seen: mer än ett år ago |  Active since 2019

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How can I plot points on top of a histogram's bins?
Hello everyone. I currently hace the following code figure plot(EvaluesJ, 0,'r*', 'MarkerSize', 10) hold on histogram(...

ungefär 2 år ago | 1 answer | 0

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answer

Question


How can I calculate the moments of an exponential random variable
Hello everyone. I am working in an aplication related to polynomial chaos expansions. For that, I need to calculate the anal...

ungefär 2 år ago | 1 answer | 0

1

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Question


Linear optimization for pert/cpr
Hello everyone. I am currently studiyng operational research using Frederik Hillier's book. I am in the part of PERT/CPM. ...

mer än 2 år ago | 0 answers | 0

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answers

Question


How can I add innequalities to a minimum cost-flow problem?
Hello everyone. I have the following optimization code: f =[2 , 4 , 9 , 3 , 1 , 3 , 2 ] ; Aeq=[1 1 1 0 0 0 0 -1 0 0 1 0 0 0...

mer än 2 år ago | 0 answers | 0

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Problem finding maximum of a nonlinear problem
I have the following problem. Minimize subject to and I am trying to use fmincon to find this point. My attempt as solutui...

mer än 2 år ago | 0 answers | 0

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answers

Question


How can I reproduce manually the random variables of the aPC function
Hello everyone. I am working with the PCA function. I am currently trying to do a manual version of the Karhunen-Loève expansion...

mer än 2 år ago | 0 answers | 0

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answers

Question


How can I reshape a matrix this way
I have a matrix defined as a=[-0.26,0.23,0.033,0.1,-0.39,0.30;0.30,-0.39,0.10,-0.26,0.03,0.23;-0.03,-0.13,0.16,0.33,-0.16,-0...

mer än 2 år ago | 2 answers | 0

2

answers

Question


Missing part of my figure when saving as pdf
Some time ago I made a post in whichI asked for a better optimization of the space when saving a figure. My code now looks as f...

mer än 2 år ago | 1 answer | 0

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Question


Can I improve the efficiency of space use while saving my figures?
Hello everyone. I am currently using matlab to generate some figures. I am using the following code: figure subplot(3,1,1) ...

mer än 2 år ago | 1 answer | 0

1

answer

Question


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...

ungefär 3 år ago | 1 answer | 0

1

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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...

ungefär 3 år 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...

ungefär 3 år ago | 0 answers | 0

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answers

Question


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...

ungefär 3 år ago | 1 answer | 0

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Question


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(:...

ungefär 3 år 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...

ungefär 3 år ago | 3 answers | 0

3

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_...

ungefär 3 år ago | 1 answer | 0

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Question


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...

mer än 3 år ago | 2 answers | 0

2

answers

Question


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 ...

mer än 3 år ago | 0 answers | 0

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Question


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. ...

mer än 3 år ago | 0 answers | 0

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answers

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...

mer än 3 år ago | 0 answers | 0

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answers

Question


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...

mer än 3 år ago | 1 answer | 0

1

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...

mer än 3 år 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 ...

mer än 3 år ago | 1 answer | 0

1

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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...

mer än 3 år ago | 0 answers | 1

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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...

mer än 3 år 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.

mer än 3 år 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...

mer än 3 år ago | 1 answer | 0

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answer

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...

nästan 4 år ago | 1 answer | 0

1

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...

ungefär 4 år ago | 1 answer | 0

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answer

Question


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...

mer än 4 år ago | 0 answers | 0

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