Lecture 6g Finite Elements Solution of the Poisson-Helmholtz Equation

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The Poisson-Hemholtz equation -u_xx-u_yy+sigma u=f is solved by finite elements method with application of bilinear splines. The error of the method O(h^2) is estimated in the norm of L_2(Omega) space.
  1. Tadeusz Styś
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