问题描述:
帮忙看看mathematica解偏微分方程?
DSolve[{\!\(
\*SubscriptBox[\(\[PartialD]\),\(t\)]\(C[x,y,t]\)\) == k*(\!\(
\*SubscriptBox[\(\[PartialD]\),\(x,x\)]\(C[x,y,t]\)\) + \(
\*SubscriptBox[\(\[PartialD]\),\(y,y\)]\(C[x,y,t]\)\)),
C[x0,y0,0] == Q},C[x,y,t],{x,y,t}]
DSolve[{\!\(
\*SubscriptBox[\(\[PartialD]\),\(t\)]\(C[x,y,t]\)\) == k*(\!\(
\*SubscriptBox[\(\[PartialD]\),\(x,x\)]\(C[x,y,t]\)\) + \(
\*SubscriptBox[\(\[PartialD]\),\(y,y\)]\(C[x,y,t]\)\)),
C[x0,y0,0] == Q},C[x,y,t],{x,y,t}]
问题解答:
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