devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Rewrite tutorial section on solving linear systems

Browse Source
This commit is contained in:
Jitse Niesen
2009-08-22 20:12:47 +01:00
parent 37dede6077
commit 90735b6a9c
11 changed files with 267 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
doc/snippets/Tutorial_solve_reuse_decomposition.cpp Normal file
View File

@@ -0,0 +1,13 @@
Matrix3f A(3,3);
A << 1,2,3, 4,5,6, 7,8,10;
PartialLU<Matrix3f> luOfA(A); // compute LU decomposition of A
Vector3f b;
b << 3,3,4;
Vector3f x;
luOfA.solve(b, &x);
cout << "The solution with right-hand side (3,3,4) is:" << endl;
cout << x << endl;
b << 1,1,1;
luOfA.solve(b, &x);
cout << "The solution with right-hand side (1,1,1) is:" << endl;
cout << x << endl;