I am currently reading Zwiebach and intend on reading Becker and Polchonski afterwoods. In chapter 4 he slves a partial differential equation with the Dirichlet and Neumann BC. My question is what the difference is between the two BC.(BC=Boundary conditions).(adsbygoogle = window.adsbygoogle || []).push({});

Thanks for any help.

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# Boundary conditions of non relativistic strings

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