Marco

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ODE15i DAE Warning:Failure at t=0.000000e+00. Unable to meet integration tolerances without reducing the step size below the smallest value allowed (0.000000e+00) at time t.
I'm solving a DAE using ode15i. I use the same syntaxs as the example of Robertson in Matlab help https://it.mathworks.com/hel...

4 månader ago | 1 answer | 0

1

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This DAE appears to be of index greater than 1 but det(M + lambda*dF/dx) isn't zero
Thank you very much ! the error was quite "easy" but by looking again and again and again on the problem i lost my mind and got...

4 månader ago | 0

Question

This DAE appears to be of index greater than 1 but det(M + lambda*dF/dx) isn't zero
Hi everyone i'm trying to solve a DAE of the form M*y'(t) = F(y,t), with M a singular square matrix. Just for the context, my DA...

4 månader ago | 1 answer | 0

1

answer