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Alex Belyakov


Last seen: bijna 4 jaar ago |  Active since 2016

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2nd order ode on a non-rectangular region
Hi. I have a 2nd order pde r*f(x,t)=a1*x*df/dx + a2*x^2*d^2f/dx^2 + (x-c)df/dt (everything other than x and t are parameters), a...

meer dan 7 jaar ago | 1 answer | 0

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