The method of characteristics is a way of solving certain partial differential equations by reducing them to ordinary differential equations. It is most often used for 1st order equations. Use with the (pde) tag.

The method of characteristics is a way of solving certain partial differential equations (PDEs) by reducing them to ordinary differential equations (ODEs). Also, the method can be seen as a change of variables to simplify the PDE. It is most often used for 1st order linear or nonlinear PDEs. Use with the tag.

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