|
Question 928827: Solve by LU decomposition method 3x+2y+7z=4, 2x+3y+z=5, 3x+4y+z=7
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! 3x+2y+7z=4
2x+3y+z=5
3x+4y+z=7
---
put the system of linear equations into standard form
---
3x+2y+7z=4
2x+3y+z=5
3x+4y+z=7
---
copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
---
solution:
x = 0.875
y = 1.125
z = -0.125
---
system matrix
3 2 7
2 3 1
3 4 1
---
inverse of system matrix
0.125 -3.25 2.375
-0.125 2.25 -1.375
0.125 0.75 -0.625
---
determinant of system matrix = -8
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Solve systems of linear equations up to 6-equations 6-variables:
https://sooeet.com/math/system-of-linear-equations-solver.php
|
|
|
| |
