1. Ch 12.1 PDEs solvable as ODES This happens if a PDE involves derivatives with respect to one variable only (or can be transformed to such a form), so that the other variable(s) can be treated as parameter(s). Solve for u= u (x,y): 1) $u_{yy} + 16u = 0$
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Since the derivatives are only with respect to $y$, we can treat $x$ as a parameter. This means we can solve this PDE as an ODE. Show more…
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1-12 PDEs SOLVABLE AS ODEs. This happens if a PDE involves derivatives with respect to one variable only (or can be transformed to such a form), so that the other variable(s) can be treated as parameter(s). Solve for u = u(x, y): 1. uyy + 16u = 0 2. uxx = u 3. uyy = 0 4. uy + 2yu = 0 5. uy + u = exy 6. uxx = 4y^2u 7. uy = (cosh x)yu 8. uy = 2xyu 9. y^2uyy + 2yuy - 2u = 0 10. uyy = 4xuy
Supreeta N.
This happens if $a$ PDE involves derivatives with respect to one variable only (or can be transformed to such a form). so that the other variable(s) can be treated as parameter(s). Solve for $u=u(x, y)$: $$u_{yy}+16 u=0$$
Partial Differential Equations (PDEs)
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This happens if $a$ PDE involves derivatives with respect to one variable only (or can be transformed to such a form). so that the other variable(s) can be treated as parameter(s). Solve for $u=u(x, y)$: $$u_{x x}=4 y^{2} u$$
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