# jameslk

Last seen: presque 3 ans il y a Actif depuis 2021

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Question

how can I get y which correspond to x and then plot (x,y)??
syms x y x=[-4:1:4] f = y^3+0.2*exp(-1*x^2)*y^2-2.2039*y^2+0.8155 == 0;

environ 3 ans il y a | 1 réponse | 0

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Question

how can i plot this equation?
syms x y x=linspace(-4,4); f =@(x,y) y^3+0.2*exp(-1*x^2)*y^2-2.2039*y^2+0.8155 == 0; plot(x,y) x is between -4 and 4 y^3...

environ 3 ans il y a | 1 réponse | 0

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Question

how can i solve this problem with rk4 method?
In this case, m=20, k=20, c=40 and initial x=1, initial v=0, t is 0 to 15. please tell me what's wrong in my code This is my ...

environ 3 ans il y a | 1 réponse | 0

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Question

dy/dt = y*t^2 + 3*y y(0) = 1 t= 0:2 This is the equation which I want to integral But when I integrate and plot this how can...

environ 3 ans il y a | 1 réponse | 0

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Question

How can I use Lagrange in this problem?
clc; clear all format long A = [-0.5 2.5 6 11 20 28 50 60 80 90]; T =[18 -1 -23 -56 -56 -48 -2 -17 -92 -92]; n= length(A);...

environ 3 ans il y a | 1 réponse | 0

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