Trong Nhan Tran

Last seen: 22 dagen ago | Active since 2024

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How can i solve 3 parameters of Weibull distribution under with initial data? like nonliear equation? Or do we have any method for estimate 3 parameters distribution from fail
How can i solve 3 parameters of Weibull distribution under with initial data? like nonliear equation? Or do we have any method f...

ongeveer 2 maanden ago | 1 answer | 0

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Can we Maximum log likehood for finding parameters' equation? I want to use MLE on matlab to conduct to the equation for three variable m, sigma_0 and sigma_th how can I do it
Hi I wonder can we use MLE syntax on Matlab to conduce the parameter equation for equation (1)? If you guys want more infor...

2 maanden ago | 0 answers | 0

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I have been trying to derivate equation under to find the formula for 3 parameters Weibull distribution as same as picture. Can someone please help me fix it?
syms m sigma_i sigma_0 sigma_th i N lnL = symsum(ln((m/sigma_0) * ((sigma_i - sigma_th) / sigma_0))^(m-1) * exp(-(((sigma_i -...

2 maanden ago | 2 answers | 0

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Find the m of nonlinear equation without initial input m. Please help me, my supervisor ask me to find m without input initial m from right. I know this is nonlinear equation.
% Given data sigma = [ 137.478; 162.072; 162.239; 162.818; 164.010; 164.401; 165.872; 167.721; 169.748; 171.390; 177.637; 1...

9 maanden ago | 2 answers | 0

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Question for using root function.
% Using the MATLAB function “roots” for find non-zero natural frequencies % define symbolic variable w syms w; % Given par...

12 maanden ago | 0 answers | 0

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Question

Find natural equation w with 5 dof
% Using matrix to determine natural frequency w of 5 DOF clc; % Clear command window clear; % Clear workspace syms w...

ongeveer een jaar ago | 1 answer | 0

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Matrix must be square error and Error in PartA. how do I solve it?
clc; % Clear command window clear; % Clear workspace syms w; % Define w as a symbolic variable % Define masses, damping coeff...

ongeveer een jaar ago | 1 answer | 0

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Question

How to add unknow parameter in matrix and solve it by use det() syntax for finding w
% under is what i did but seen it is not work for det(A) for find w clc % clear history command and past result syms w; m1 = ...

ongeveer een jaar ago | 3 answers | 0

3

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