Mathematica
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xinxin guo
  • Member for 9 years, 6 months
  • Last seen more than a month ago
  • Xi'an, Shaanxi, China
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All Questions Answers
Score Newest
question
9
How to define the Einstein summation convention in Mathematica?
Nov 13, 2012
question
8
Symbolic integration in real domain only ( assumptions and ComplexExpand don't work)
May 13, 2013
question
7
How to implement a Kalman or LQG regulator in the control of classical pendulum problem
Nov 2, 2019
question
7
LaplaceTransform works well with x[t], but doesn't recognize x[1][t], how to make it works for x[1][t]?
Jan 6
answer
6
NDSolve will try solving the system as differential-algebraic equations but it didn't get the solution
Nov 5, 2019
question
5
How to guide Eliminate or GroebnerBasis to reduce a set of simple odes to a single ode (which can be done by Laplace Transform)
Jan 6
answer
5
Piecewise function made up of five segments not showing in a plot
Nov 2, 2019
question
5
I understand mol but meet difficulty in understanding how `pdetoode` atumatically generate pde-to-ode-rules by using this strange pattern and rule?
Jan 12
question
4
How to accelerate numerial inverse laplace transform for pdes of Euler-Bernoulli beam problem
Jan 6
answer
3
Getting message NDSolve::ndnum when solving my initial value problem
Aug 12, 2016

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