[1/4]解决USB摄像头打开相机预览界面绿屏

liyujie

2025-08-28 b3810562527858a3b3d98ffa6e9c9c5b0f4a9a8e

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Matrix3f A;
Vector3f b;
A << 1,2,3,  0,5,6,  0,0,10;
b << 3, 3, 4;
A.triangularView<Upper>().solveInPlace(b);
cout << "The solution is:" << endl << b << endl;