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📅  最后修改于: 2022-03-11 14:55:09.785000             🧑  作者: Mango
syms m1 m2 k1 k2 w M = [(-m1*w^2 + k1) (-k1); (-k1) (-m2*w^2 + k1 + k2)]; detM = det(M); w = solve(detM,w)