Homework Help is Here – Start Your Trial Now!
Math
Advanced Math
Forward elimination changes -2x - 3y = 7 -6x - 10y = 22 -2 -3 - -6-10 -2x-3y=7 -ly=1 That step subtracted 21 reverse step adds l21 times row 1 to row 2. The matrix for that reverse step is L= 9- x = b to a triangular Multiply this L times the triangular system In letters, L multiplies Ux = c to give -2 -3 7 -6 -10 22 -2 0 H H X = solves the first one. Find x that solves the second one. x = -2 0 times row 1 from row 2. The - to get 4 = - -2 -3 [131 0 -1 1 X = C: Write down the 2 by 2 triangular systems Lc = b and Ux = c. Check that c = 1

Forward elimination changes -2x - 3y = 7 -6x - 10y = 22 -2 -3 - -6-10 -2x-3y=7 -ly=1 That step subtracted 21 reverse step adds l21 times row 1 to row 2. The matrix for that reverse step is L= 9- x = b to a triangular Multiply this L times the triangular system In letters, L multiplies Ux = c to give -2 -3 7 -6 -10 22 -2 0 H H X = solves the first one. Find x that solves the second one. x = -2 0 times row 1 from row 2. The - to get 4 = - -2 -3 [131 0 -1 1 X = C: Write down the 2 by 2 triangular systems Lc = b and Ux = c. Check that c = 1

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
See similar textbooks
icon
Related questions
Question
Forward elimination changes -2x - 3y = 7 -6x - 10y = 22 -2 -6 -2x - 3y = 7 -ly=1 -3 -10 x = b to a triangular That step subtracted l21 = reverse step adds 21 times row 1 to row 2. The matrix for that reverse step is L= Multiply this L times the triangular system In letters, L multiplies Ux= c to give -2 -3 7 -6 -10 22 -2 0 0 -31 X = ⇒> 41-1 X = 0 solves the first one. Find x that solves the second one. x = -2 times row 1 from row 2. The 0 = −1] to get X = C: -2 0 -1 -3 7 9- Write down the 2 by 2 triangular systems Lc = b and Ux = c. Check that c = 0 4]
Transcribed Image Text:Forward elimination changes -2x - 3y = 7 -6x - 10y = 22 -2 -6 -2x - 3y = 7 -ly=1 -3 -10 x = b to a triangular That step subtracted l21 = reverse step adds 21 times row 1 to row 2. The matrix for that reverse step is L= Multiply this L times the triangular system In letters, L multiplies Ux= c to give -2 -3 7 -6 -10 22 -2 0 0 -31 X = ⇒> 41-1 X = 0 solves the first one. Find x that solves the second one. x = -2 times row 1 from row 2. The 0 = −1] to get X = C: -2 0 -1 -3 7 9- Write down the 2 by 2 triangular systems Lc = b and Ux = c. Check that c = 0 4]
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 37 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,
SEE MORE TEXTBOOKS