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xinxin guo

Apparently, this user prefers to keep an air of mystery about them.

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  • Xi'an, Shaanxi, China
  • Member for 7 years
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  • Last seen 4 hours ago

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Top posts (18) All Questions Answers | Votes Newest

8 Symbolic integration in real domain only ( assumptions and ComplexExpand don't work) May 13 '13
6 How to implement a Kalman or LQG regulator in the control of classical pendulum problem Nov 2
5 NDSolve will try solving the system as differential-algebraic equations but it didn't get the solution Nov 5
5 Piecewise function made up of five segments not showing in a plot Nov 2
4 How to define the Einstein summation convention in Mathematica? Nov 13 '12
3 Getting message NDSolve::ndnum when solving my initial value problem Aug 12 '16
2 Constraint of NDSolve with an integral of the solution Nov 6
2 Get the approximate analytical solution to an equation Feb 10 '13
2 Residue failed to reproduce this residue in a paper Jun 17 '16
2 In NDSolve, how to involve in the odes a integration function that depends on ode functions and can't be analytically integrated? Jun 10 '16
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