can anyone help me about nonlinear MDOF newmark beta dynamic analysis?

I want to code a script which can analyze a MDOF structure under earthquake excitation.

[Isha Sameen]

Did you find any solution. Can you share?

Answer 1

[Gifari Zulkarnaen]

Hope these give insight:

Linear mdof: https://www.mathworks.com/matlabcentral/fileexchange/71936-mdof-solver-of-nonclassicaly-damped-systems

Nonlinear sdof: https://www.mathworks.com/matlabcentral/fileexchange/71007-newmark-beta-method-for-non-linear-single-dof-structures

[Chaudhary P Patel]

can you please share the code of MDOF system nonlinear dynamic analysis, Please?