Complex Analysis: Theory and Applications · Problem 10.2.6

Applications of Harmonic Functions — Howell & Matthews

Mathematics — Complex Analysis · dirichlet-problem-harmonic-functions

Problem

Find the function ϕ(x,y)\phi(x,y) that is harmonic in the first quadrant x>0x > 0, y>0y > 0 and has the boundary values ϕ(0,y)=0 for y>1,ϕ(0,y)=1 for 0<y<1;\phi(0,y) = 0 \text{ for } y > 1, \quad \phi(0,y) = 1 \text{ for } 0 < y < 1; ϕ(x,0)=1 for 0≤x<1,ϕ(x,0)=0 for x>1.\phi(x,0) = 1 \text{ for } 0 \leq x < 1, \quad \phi(x,0) = 0 \text{ for } x > 1.

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