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Warning: Results may be inaccurate because of an ill-conditioned Jacobian whose reciprocal condition number is 3.23252e-20.
Hey! I was trying to solve these equations and was getting an error as : Warning: Results may be inaccurate because of an ill-c...
environ un an il y a | 1 réponse | 0
0
réponseQuestion
coupled differntial equation using ode45
I'm getting an error while solving this coupled differential equation usually the error is showing issues with vertical concaten...
plus d'un an il y a | 3 réponses | 0
3
réponsesQuestion
I'm trying to solve jeffry hamel equation using RK4 but it's not giving output as expected.
%%%% Jeffry-Hamel equation stability analysis %%%% %%% ode:(U''' +2sUU' = 0) such that U' = g, g' = h, h' = -2*s*U*g %%% %%% w...
plus d'un an il y a | 2 réponses | 0
2
réponsesQuestion
The size of X must match the size of Z or the number of columns of Z.
i'am trying to solve 2d laplace equation using fourth order central difference could but i'am getting an error:The size of X mus...
environ 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
The size of X must match the size of Z or the number of columns of Z.
I am trying to solve the 2d laplace equation for heat conduction using forward diffrence scheme, but I'm getting an error:The s...
environ 3 ans il y a | 1 réponse | 0
1
réponseQuestion
Index in position 1 is invalid. Array indices must be positive integers or logical values.
% calculation of Emax T_epsilon = zeros(Nx,Ny); for i =2:Nx-1 for j = 2:Ny-1 T_epsilon(i,j) = T(i,j) - A((dy*i)/...
environ 3 ans il y a | 2 réponses | 0
2
réponsesQuestion
error: Unable to perform assignment because the size of the left side is 1-by-49 and the size of the right side is 1-by-51 at line 23, where is the problem?
clear all; close all; geometry of domain Nx = 51; Ny = 51; dx = 1/(Nx-1); dy = 1/(Ny-1); W = 0:dx:1; H = 0:dy:1; ...
environ 3 ans il y a | 1 réponse | 0
