18 Exercises

• Exercise 1: Fourier Transform of the source function.
• Exercise 2: Modification of codes to use damping weights and sponges.
• Exercise 3: Use of the DIP model with a generated velocity field.
• Exercise 4: Taylor Series weights for a fourth order finite difference operator.
• Exercise 5: Stability condition for the second order finite difference method in two and three dimensions.
• Exercise 6: REVTIME.f with higher order finite difference operator.
• Exercise 7: Creating a new model.
• Exercise 8: Violation of the the stability condition.
• Exercise 9: Reflection coefficients for a model.
• Exercise 10: Construction of ray paths.