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Undergraduate practice chapters

1. Undergraduate · Chapter 421

   Euler stability · Decay rate a=1.25; Step size h=1.1

   Use n=6 updates, corresponding to time t=nh=6.6. Find the Euler value, exact value at the same time, and stability classification from the amplification factor. Givens: Decay rate a=1.25; Step size h=1.1.

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2. Undergraduate · Chapter 422

   Newton root iteration · Number whose root is sought A=7; Positive starting guess b=5

   Perform exactly n=4 updates. Find x₄, its equation residual x₄²−A, and its absolute error relative to √A. Givens: Number whose root is sought A=7; Positive starting guess b=5.

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3. Undergraduate · Chapter 423

   Two-state Markov chains · Transition 1 → 2: p=0.8; Transition 2 → 1: q=0.4

   Use n=7 transitions. Find the probability of state 1, its stationary probability, and the signed convergence multiplier. Givens: Transition 1 → 2: p=0.8; Transition 2 → 1: q=0.4.

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4. Undergraduate · Chapter 424

   Orthogonal projections · Vector horizontal a=-2; Vector vertical b=0

   Use θ=6π/5 radians. Find both projection coordinates, the signed component along u, and the residual length. Givens: Vector horizontal a=-2; Vector vertical b=0.

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5. Undergraduate · Chapter 425

   Diagonal eigenmodes · First eigenvalue a=3; Second eigenvalue b=-0.5

   Use the completed matrix transformation at the animation endpoint. Find the image of (1,1), the determinant, and the unsigned area of the square's image. Givens: First eigenvalue a=3; Second eigenvalue b=-0.5.

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6. Undergraduate · Chapter 426

   Matrix conditioning · Small diagonal entry a=0.7; Final data error b=0.6

   Use the current perturbation δ=0.36, so Δb=(0,0.36). Find the solution perturbation and the Euclidean condition number κ₂(A). Givens: Small diagonal entry a=0.7; Final data error b=0.6.

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7. Undergraduate · Chapter 427

   Logistic differential equations · Capacity K=5.5; Growth rate r=0.8

   Evaluate at t=3 time units. Find the amount, instantaneous growth rate, and equilibrium capacity. Givens: Capacity K=5.5; Growth rate r=0.8.

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8. Undergraduate · Chapter 428

   Newton root iteration · Number whose root is sought A=8; Positive starting guess b=5.5

   Perform exactly n=4 updates. Find x₄, its equation residual x₄²−A, and its absolute error relative to √A. Givens: Number whose root is sought A=8; Positive starting guess b=5.5.

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9. Undergraduate · Chapter 429

   Two-state Markov chains · Transition 1 → 2: p=0.9; Transition 2 → 1: q=0.5

   Use n=7 transitions. Find the probability of state 1, its stationary probability, and the signed convergence multiplier. Givens: Transition 1 → 2: p=0.9; Transition 2 → 1: q=0.5.

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10. Undergraduate · Chapter 430

    Orthogonal projections · Vector horizontal a=-1.5; Vector vertical b=0.5

    Use θ=6π/5 radians. Find both projection coordinates, the signed component along u, and the residual length. Givens: Vector horizontal a=-1.5; Vector vertical b=0.5.

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11. Undergraduate · Chapter 431

    Diagonal eigenmodes · First eigenvalue a=-2; Second eigenvalue b=0.5

    Use the completed matrix transformation at the animation endpoint. Find the image of (1,1), the determinant, and the unsigned area of the square's image. Givens: First eigenvalue a=-2; Second eigenvalue b=0.5.

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12. Undergraduate · Chapter 432

    Matrix conditioning · Small diagonal entry a=0.75; Final data error b=0.7

    Use the current perturbation δ=0.42, so Δb=(0,0.42). Find the solution perturbation and the Euclidean condition number κ₂(A). Givens: Small diagonal entry a=0.75; Final data error b=0.7.

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13. Undergraduate · Chapter 433

    Logistic differential equations · Capacity K=6; Growth rate r=1

    Evaluate at t=3 time units. Find the amount, instantaneous growth rate, and equilibrium capacity. Givens: Capacity K=6; Growth rate r=1.

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14. Undergraduate · Chapter 434

    Newton root iteration · Number whose root is sought A=9; Positive starting guess b=6

    Perform exactly n=4 updates. Find x₄, its equation residual x₄²−A, and its absolute error relative to √A. Givens: Number whose root is sought A=9; Positive starting guess b=6.

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15. Undergraduate · Chapter 435

    Two-state Markov chains · Transition 1 → 2: p=0.1; Transition 2 → 1: q=0.7

    Use n=7 transitions. Find the probability of state 1, its stationary probability, and the signed convergence multiplier. Givens: Transition 1 → 2: p=0.1; Transition 2 → 1: q=0.7.

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16. Undergraduate · Chapter 436

    Orthogonal projections · Vector horizontal a=-1; Vector vertical b=1

    Use θ=6π/5 radians. Find both projection coordinates, the signed component along u, and the residual length. Givens: Vector horizontal a=-1; Vector vertical b=1.

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17. Undergraduate · Chapter 437

    Diagonal eigenmodes · First eigenvalue a=-1.5; Second eigenvalue b=1

    Use the completed matrix transformation at the animation endpoint. Find the image of (1,1), the determinant, and the unsigned area of the square's image. Givens: First eigenvalue a=-1.5; Second eigenvalue b=1.

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18. Undergraduate · Chapter 438

    Matrix conditioning · Small diagonal entry a=0.8; Final data error b=0.8

    Use the current perturbation δ=0.48, so Δb=(0,0.48). Find the solution perturbation and the Euclidean condition number κ₂(A). Givens: Small diagonal entry a=0.8; Final data error b=0.8.

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19. Undergraduate · Chapter 439

    Logistic differential equations · Capacity K=1; Growth rate r=1.2

    Evaluate at t=3 time units. Find the amount, instantaneous growth rate, and equilibrium capacity. Givens: Capacity K=1; Growth rate r=1.2.

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20. Undergraduate · Chapter 440

    Euler stability · Decay rate a=2; Step size h=1.4

    Use n=6 updates, corresponding to time t=nh=8.4. Find the Euler value, exact value at the same time, and stability classification from the amplification factor. Givens: Decay rate a=2; Step size h=1.4.

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