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# jana nassereddine

Last seen: 10 maanden ago Active since 2021

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Bad estimation for mass spring damper parameters using polynomials identification method
so with this code I need to get 3 parameters for mass spring damper system, but the results are very bad estimated. I have an e...

11 maanden ago | 0 answers | 0

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Question

Bad results for parameters estimation for mass spring damper using identification polynomials
% % %least square estimation on excitation (m by Ne) % P=[0]; % for i=1:1000 % for j=1:51 % Tau = [-1:0.002:1]; % P(i,j...

11 maanden ago | 0 answers | 0

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Question

Error in Untitled8 (line 9) [t, y]= ode45(f, [0 tf], [0 0]);
clc; clear; close all; A=20; M=0.783; C=55; K=3300000; f= @(t,y) mck(t,y,A,M,C,K); tf=0.0073; y0=[0 0]; [t, y]= ode45...

11 maanden ago | 0 answers | 0

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Question

my question is what is wrong with my code, the results should be in the first picture not the second.
D=zeros(6); for row=1:6 for col=1:6 if col>row %upper right corner D(row,col)=0 else if c...

11 maanden ago | 1 answer | 0

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Question

four summation containing loop
hey, I wrote this code for 4 summation in matlab, and i still have one problem in " n= n+ Term5*G" where n give NAN answer and I...

meer dan een jaar ago | 1 answer | 0

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How do you solve for a double sum

meer dan een jaar ago | 0