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# Ashkan Rigi

Last seen: Today Active since 2021

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Question

How can I calculate the gussian curvature of a point cloud by matlab?
Hello every body. Does exist any matlab code or built in function for gussian curvature computatation by matlab?

2 months ago | 0 answers | 0

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Gussian Curvature calculation problem
Hello everybody. I have found the below codes on the net which can calculate the gussian curvature but I can not work with that ...

2 months ago | 1 answer | 0

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How can I remove the error " Not enough input arguments" of nlinfit?
Hello everybody. This is my code: clc;clear;close all; x=0:.1:2*pi; y=sin(x); pp=spline(x,y); k=4; t=x; xq=x; fo...

2 months ago | 1 answer | 0

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Is there any way to put a nlinfit function in a for loop?
Hello every body. Is there any way to put a nlinfit function in a for loop?

2 months ago | 0 answers | 0

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Why does the cscvn function of matlab have 4*2*(n-1) coefficients?
Hello every body. I can not understand why the function of cscvn of matlab have 4*2*(n-1) coefficients. n is the number of x val...

3 months ago | 1 answer | 0

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how can I use mexw32 files on my 64-bit matlab?
Hello. I have a mex.w32 file and I can not open it on my 64-bit matlab version. How can I do that?

3 months ago | 2 answers | 0

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Does anyone have the farthest points sampling by matlab?
Hi. I need some line of codes which can calculate the farthest point sampling by matlab. I am looking forward to hear your kind ...

3 months ago | 0 answers | 0

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Does anyone have the matlab code for parametric cubic splines caculation?
Hello every body. I am working on a project which needs to estimate the coefficinets of parametric cubic spline from some data p...

3 months ago | 0 answers | 0

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Question

Why does cscvn of matlab have 4*2*(n-1) coefficients?
Hello every body. I use the built in matlab function " cscvn " for periodic splines. It must have 4*(n-1) coefficients but in re...

3 months ago | 1 answer | 0

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Question

How can I define square of a handle function inside an integral?
Hello every body. This is my code and I get the error " Undefined function 'sqrt' for input arguments of type 'function_handle'....

3 months ago | 1 answer | 0

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How can I define a derivative and norm function inside an integral in matlab?
Hello everybody. I would like to define a norm-2 and derivative of a function inside the integral, but I can not. Here is my cod...

3 months ago | 1 answer | 0

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Question

Can we interpolate some data using neural netwroks in matlab?
Hello every body. I have some raw data and I would like to interpolate them using neural networks by matlab. Is it possible? I a...

3 months ago | 2 answers | 0

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How can I remove the error " Not enough input arguments" related to bootci function?
Hi everybody. I will be thankful if some one help me. this is my code: t=0:0.1:pi; y=sin(t); k=1; a=[1 2 3 4]; b=[5 6 7 8];...

3 months ago | 0 answers | 0

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Does anyone have the matlab code for adaptive importance sampling?
hi. I need adaptive importance sampling matlab code.

3 months ago | 0 answers | 0

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Question

I implement bootci function in for loop and I get the error " not enough input argument"
Here is my code: t=0:.1:pi; y=sin(t); a=[1 2 3 4]; b=[4 5 6 7]; c=[8 9 10 11]; d=[12 13 14 15] for i=1:length(a) ...

3 months ago | 0 answers | 0

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How can I define a for loop in which there is a bootci function?
Hello everybody. Firstly I estimate cubic splines coefficients and then I would like to implement bootstrap function on each int...

3 months ago | 0 answers | 0

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Question

How can I define a foor loop in which there is a bootci function?
Hello. Firstly I estimate cubic splines coefficients and then I would like to implement bootstrap function on each interval of c...

3 months ago | 1 answer | 0

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Question

Requires a vector second input argument.
hi. I run the code below and got the error " Requires a vector second input argument." t=0:.1:pi; y=sin(t); modelfun = @(b,x)...

3 months ago | 0 answers | 0

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Does anyone have the matlab code for adaptive importance sampling?
Hello guys. I need some line of codes which can calculate adaptive importance sampling.

3 months ago | 0 answers | 0

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Question

How can I fill a big matrix when I have small matrices with different sizes in each iteration?
Hello guys. I have some lines of codes in which I have a for loop. In for loop I have to fill a big matrix by some small matrice...

3 months ago | 1 answer | 0

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Question

How can I define handle function in a loop with predefined coefficient?
here is the some lines of code: a=[1 2 3]; b=[4 5 6] for i=1:length(a) s_i{i}=@ (x) a(i)*x^2+b(i)*x; end I would like to t...

3 months ago | 0 answers | 0

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I would like to remove zeros from my matrix
a=[0 0 0; 0 0 0; 1 2 3; 4 5 6]

3 months ago | 1 answer | 0

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Does anyone have the periodic cubic spline codes in matlab?
I need periodic cubic spline matlab code.

3 months ago | 1 answer | 0

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Does anyone have 2D point clouds of shapes of Matlab?
i need some 2D point clouds in matlab.

3 months ago | 0 answers | 0

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Question

How can I define successive vectors by matlab?
Here is my code sample: t=[0,4,8,12,16,20]; y=[0.7,0.9,0.9,0.7,0.3,0]; for i=1:length(t) u=[t(i) t(i+1) t(i+2)]; v=...

3 months ago | 1 answer | 0