162 |
is described using the coefficients $\kappa$, $\omega$, $f$, $\eta$, |
is described using the coefficients $\kappa$, $\omega$, $f$, $\eta$, |

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$g$ rather than the general form given by \eqn{EQU.FEM.1}. |
$g$ rather than the general form given by \eqn{EQU.FEM.1}. |

164 |
Python's mechanism of subclasses allows us to do this in a very simple way. |
Python's mechanism of subclasses allows us to do this in a very simple way. |

165 |
The \Poisson class of the \linearPDEsPack module, |
The \Poisson class of the \linearPDEs module, |

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which we have already used in \Chap{FirstSteps}, is in fact a subclass of the more general |
which we have already used in \Chap{FirstSteps}, is in fact a subclass of the more general |

167 |
\LinearPDE class. That means that all methods (such as the \method{getSolution}) |
\LinearPDE class. That means that all methods (such as the \method{getSolution}) |

168 |
from the parent class \LinearPDE are available for any \Poisson object. However, new |
from the parent class \LinearPDE are available for any \Poisson object. However, new |