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Date: 25-5-2019
1169
Date: 22-6-2018
896
Date: 22-5-2018
963
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Solution of a system of second-order homogeneous ordinary differential equations with constant coefficients of the form
where is a positive definite matrix. To solve the vibration problem,
1. Solve the characteristic equation of to get eigenvalues , ..., . Define .
2. Compute the corresponding eigenvectors , ..., .
3. The normal modes of oscillation are given by , ..., , where , ..., and , ..., are arbitrary constants.
4. The general solution is .
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مخاطر عدم علاج ارتفاع ضغط الدم
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اختراق جديد في علاج سرطان البروستات العدواني
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قسم الشؤون الفكريّة يطلق دورة في البرمجيات لتعزيز الكفاءات التقنية للناشئة
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