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## Homework Statement

A very long cylinder has temperature

*T*1 impressed on half of its peripheral surface and

temperature

*T*2 impressed on the other half. Find

*T*(

*r, θ*).

## Homework Equations

governing eq 1/r ∂/∂r(r∂/∂r)+∂2T/∂z2

## The Attempt at a Solution

I am right at r=0 ;T=T1 at r=r' T=T2

to make BC homog define new term Q=T-T1

I am confused while define BCs