Comments on open-string orbifolds with a non-vanishing Bab

COMMENT ON “NON-LINEAR VIBRATION ANALYSI

COMMENT ON “NON-LINEAR VIBRATION ANALYSIS OF A TRAVELLING STRING WITH TIME-DEPENDENT LENGTH BY NEW HYBRID LAPLACE TRANSFORM/FINITE ELEMENT METHOD”

✍ A.Y.T. LEUNG 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 53 KB

The authors of reference [1] solved the Laplace transformed equation ( 20) below by three consecutive similarity transformations to make the symmetric square matrices M, C and K diagonal for the inverse Laplace transform. The "rst transformation is