Custom Kreyszig: Advanced Engineering Mathematics
10th Edition
ISBN: 9781119166856
Author: Kreyszig
Publisher: JOHN WILEY+SONS INC.CUSTOM
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9.7 Given the equations
0.5x₁-x2=-9.5
1.02x₁ - 2x2 = -18.8
(a) Solve graphically.
(b) Compute the determinant.
(c) On the basis of (a) and (b), what would you expect regarding
the system's condition?
(d) Solve by the elimination of unknowns.
(e) Solve again, but with a modified slightly to 0.52. Interpret
your results.
12.42 The steady-state distribution of temperature on a heated
plate can be modeled by the Laplace equation,
0=
FT T
+
200°C
25°C
25°C
T22
0°C
T₁
T21
200°C
FIGURE P12.42
75°C
75°C
00°C
If the plate is represented by a series of nodes (Fig. P12.42), cen-
tered finite-divided differences can be substituted for the second
derivatives, which results in a system of linear algebraic equations.
Use the Gauss-Seidel method to solve for the temperatures of the
nodes in Fig. P12.42.
9.22 Develop, debug, and test a program in either a high-level language or a macro
language of your choice to solve a system of equations with Gauss-Jordan elimination
without partial pivoting. Base the program on the pseudocode from Fig. 9.10. Test the
program using the same system as in Prob. 9.18. Compute the total number of flops in
your algorithm to verify Eq. 9.37.
FIGURE 9.10
Pseudocode to implement the
Gauss-Jordan algorithm with-
out partial pivoting.
SUB GaussJordan(aug, m, n, x)
DOFOR k = 1, m
d = aug(k, k)
DOFOR j = 1, n
aug(k, j) = aug(k, j)/d
END DO
DOFOR 1 = 1, m
IF 1 % K THEN
d = aug(i, k)
DOFOR j = k, n
aug(1, j)
END DO
aug(1, j) - d*aug(k, j)
END IF
END DO
END DO
DOFOR k = 1, m
x(k) = aug(k, n)
END DO
END GaussJordan
Chapter 5 Solutions
Custom Kreyszig: Advanced Engineering Mathematics
Ch. 5.1 - WRITING AND LITERATURE PROJECT. Power Series in...Ch. 5.1 - Determine the radius of convergence. Show the...Ch. 5.1 - Determine the radius of convergence. Show the...Ch. 5.1 - Determine the radius of convergence. Show the...Ch. 5.1 - Determine the radius of convergence. Show the...Ch. 5.1 - Apply the power series method. Do this by hand,...Ch. 5.1 - Apply the power series method. Do this by hand,...Ch. 5.1 - Apply the power series method. Do this by hand,...Ch. 5.1 - Apply the power series method. Do this by hand,...Ch. 5.1 - Find a power series solution in powers of x. Show...
Ch. 5.1 - Find a power series solution in powers of x. Show...Ch. 5.1 - Find a power series solution in powers of x. Show...Ch. 5.1 - Find a power series solution in powers of x. Show...Ch. 5.1 - Find a power series solution in powers of x. Show...Ch. 5.1 - Prob. 15PCh. 5.1 - Prob. 16PCh. 5.1 - CAS PROBLEMS. IVPs
Solve the initial value problem...Ch. 5.1 - Prob. 18PCh. 5.1 - Prob. 19PCh. 5.2 - Legendre functions for n = 0. Show that (6) with n...Ch. 5.2 - Legendre functions for n = 1. Show that (7) with n...Ch. 5.2 - Special n. Derive (11′) from (11).
Ch. 5.2 - Prob. 4PCh. 5.2 - Obtain P6 and P7.
Ch. 5.2 - Prob. 11PCh. 5.2 - Prob. 12PCh. 5.2 - Rodrigues’s formula. Obtain (11′) from (13).
Ch. 5.2 - Prob. 14PCh. 5.2 - Prob. 15PCh. 5.3 - Prob. 1PCh. 5.3 - Prob. 2PCh. 5.3 - Prob. 3PCh. 5.3 - Prob. 4PCh. 5.3 - Prob. 5PCh. 5.3 - Prob. 6PCh. 5.3 - Prob. 7PCh. 5.3 - Prob. 8PCh. 5.3 - Prob. 9PCh. 5.3 - Prob. 10PCh. 5.3 - Find a basis of solutions by the Frobenius method....Ch. 5.3 - Find a basis of solutions by the Frobenius method....Ch. 5.3 - Find a general solution in terms of hypergeometric...Ch. 5.3 - Find a general solution in terms of hypergeometric...Ch. 5.3 - Find a general solution in terms of hypergeometric...Ch. 5.3 - Find a general solution in terms of hypergeometric...Ch. 5.3 - Find a general solution in terms of hypergeometric...Ch. 5.3 - Find a general solution in terms of hypergeometric...Ch. 5.4 - Prob. 1PCh. 5.4 - Prob. 2PCh. 5.4 - Prob. 3PCh. 5.4 - Prob. 4PCh. 5.4 - Prob. 5PCh. 5.4 - Prob. 6PCh. 5.4 - Prob. 7PCh. 5.4 - Prob. 8PCh. 5.4 - Prob. 9PCh. 5.4 - Prob. 10PCh. 5.4 - Prob. 11PCh. 5.4 - Prob. 12PCh. 5.4 - Prob. 13PCh. 5.4 - Prob. 14PCh. 5.4 - Interlacing of zeros. Using (21) and Rolle’s...Ch. 5.4 - Prob. 16PCh. 5.4 - Bessel’s equation. Show that for (1) the...Ch. 5.4 - Elementary Bessel functions. Derive (22) in...Ch. 5.4 - Prob. 19PCh. 5.4 - Prob. 20PCh. 5.4 - Use the powerful formulas (21) to do Probs. 19–25....Ch. 5.4 - Prob. 22PCh. 5.4 - Use the powerful formulas (21) to do Probs. 19–25....Ch. 5.4 - Use the powerful formulas (21) to do Probs. 19–25....Ch. 5.4 - Use the powerful formulas (21) to do Probs. 19–25....Ch. 5.5 - Prob. 1PCh. 5.5 - Prob. 2PCh. 5.5 - Prob. 3PCh. 5.5 - Prob. 4PCh. 5.5 - Prob. 5PCh. 5.5 - Prob. 6PCh. 5.5 - Prob. 7PCh. 5.5 - Prob. 8PCh. 5.5 - Prob. 9PCh. 5.5 - Hankel functions. Show that the Hankel functions...Ch. 5.5 - Modified Bessel functions of the first kind of...Ch. 5.5 - Prob. 13PCh. 5.5 - Reality of Iv. Show that Iv(x) is real for all...Ch. 5.5 - Modified Bessel functions of the third kind...Ch. 5 - Prob. 1RQCh. 5 - What is the difference between the two methods in...Ch. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Write down the most important ODEs in this chapter...Ch. 5 - Can a power series solution reduce to a...Ch. 5 - What is the hypergeometric equation? Where does...Ch. 5 - List some properties of the Legendre polynomials.
Ch. 5 - Prob. 9RQCh. 5 - Can a Bessel function reduce to an elementary...Ch. 5 - POWER SERIES METHOD OR FROBENIUS METHOD
Find a...Ch. 5 - POWER SERIES METHOD OR FROBENIUS METHOD
Find a...Ch. 5 - POWER SERIES METHOD OR FROBENIUS METHOD
Find a...Ch. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - Prob. 16RQCh. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - Prob. 19RQCh. 5 - Prob. 20RQ
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- 11.9 Recall from Prob. 10.8, that the following system of equations is designed to determine concentrations (the e's in g/m³) in a series of coupled reactors as a function of amount of mass input to each reactor (the right-hand sides are in g/day): 15c3cc33300 -3c18c26c3 = 1200 -4c₁₂+12c3 = 2400 Solve this problem with the Gauss-Seidel method to & = 5%.arrow_forward9.8 Given the equations 10x+2x2-x3 = 27 -3x-6x2+2x3 = -61.5 x1 + x2 + 5x3 = -21.5 (a) Solve by naive Gauss elimination. Show all steps of the compu- tation. (b) Substitute your results into the original equations to check your answers.arrow_forwardPage of 2 ZOOM + 1) Answer the following questions by circling TRUE or FALSE (No explanation or work required). i) If A = [1 -2 1] 0 1 6, rank(A) = 3. (TRUE FALSE) LO 0 0] ii) If S = {1,x,x², x³} is a basis for P3, dim(P3) = 4 with the standard operations. (TRUE FALSE) iii) Let u = (1,1) and v = (1,-1) be two vectors in R². They are orthogonal according to the following inner product on R²: (u, v) = U₁V₁ + 2U2V2. ( TRUE FALSE) iv) A set S of vectors in an inner product space V is orthogonal when every pair of vectors in S is orthogonal. (TRUE FALSE) v) Dot product of two perpendicular vectors is zero. (TRUE FALSE) vi) Cross product of two perpendicular vectors is zero. (TRUE FALSE) 2) a) i) Determine which function(s) are solutions of the following linear differential equation. - y (4) — 16y= 0 • 3 cos x • 3 cos 2x -2x • e • 3e2x-4 sin 2x ii) Find the Wronskian for the set of functions that you found from i) as the solution of the differential equation above. iii) What does the result…arrow_forward
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