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How to solve a second order nonlinear differential equations with two other function in it
For ; H'=100,h=10 ; where, and
4 years 前 | 1 个回答 | 0
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How to solve a second order nonlinear differential equations with a step function
for 0<=t<=10 solve 5 x'' + x' + t x^3 = t + 3 u(x) where u(x) = 1 for 1<=x<=2 ...
4 years 前 | 1 个回答 | 0
