?? vtb9.m
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% VTB9% % VTB9_1 solves for the natural frequencies, damping ratios, % and mode shapes of a linear second order matrix (LSOM)% form system. (M,C,K)% NOTE: VTB9_1 will be replaced by VTB4_3 after Fall 2000% VTB9_2 numerically integrates to find the unforced response % of a system using Euler's method. The system can% be in state space or LSOM form.% NOTE: VTB9_2 will be replaced by VTB1_2 after Fall 2000% VTB9_3 performs fourth Runge-Kutta integration on a set of% equations described in a specified file. The % equations need not be linear.% NOTE: VTB9_3 will be replaced by VTB1_3 after Fall 2000% VTB9_4 numerically integrates to find the forced response % of a system using Euler's method. The system can% be in state space or LSOM form.% NOTE: VTB9_4 will be replaced by VTB1_4 after Fall 2000
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