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Yijing LU


Last seen: 3 months 前 |  自 2022 起处于活动状态

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统计学

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How to calculate the damping ratio of beat time?
I applied an initial displacement to the top of the structure, but found that the result showed the phenomenon of beating vibrat...

1 year 前 | 1 个回答 | 0

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how to simplify the definite integral of the parametric formula
Hi i want to simplify this two equations in matlab; And the results are:

2 years 前 | 0 个回答 | 0

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Solution of two order differential equations; Fourth order Runge-Kutta method iteration
Hi,i solute this two order differential equations in fourth order Runge-Kutta method iteration. However, my calculation results ...

2 years 前 | 1 个回答 | 0

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Random Band-Limited White Noise Excitation
Hi, i read a paper today. In matlab, how to generate a random excitation force consisted of a zero-mean signal with frequency co...

2 years 前 | 1 个回答 | 0

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