Chapter 2
Inverse problems

Listing 2.1: Example of the direct problem
Listing 2.2: Discretizing the direct problem
Listing 2.3: Solving overdetermined SLAE
Figure 2.16, 17: Solving underdetermined SLAE
Figure 2.18: Solving underdetermined SLAE
Mathcad 13+: Overdetermined SLAE's
Mathcad 13+: Underdetermined SLAE's
Mathcad 13+: Undverdetermined SLAE's - 2
Figure 2.19, 20: Explaining SLAE with rectangular matrix
Figure 2.21, 22: Explaining ill-conditioned SLAE
Listing 2.4: Regularization
Figure 2.25, 26: Regularization
Figure 2.27, 28: Regularization
Listing 2.5: Quasi-solution
Listing 2.6: Choleski decomposition
Listing 2.7: Triangular SLAE
Listing 2.8: LU-decomposition
Listing 2.9: QR-decomposition
Listing 2.9+: QR-decomposition - 2
Listing 2.9++: QR-decomposition - 3
Listing 2.9+++: QR-decomposition - 4
Listing 2.10: SVD-decomposition
Listing 2.11: Linear reduction
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