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[1/4]解决USB摄像头打开相机预览界面绿屏
liyujie
2025-08-28
b3810562527858a3b3d98ffa6e9c9c5b0f4a9a8e
[~lzh/A133.git]
/
android
/
external
/
eigen
/
doc
/
snippets
/
Tutorial_commainit_02.cpp
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int rows=5, cols=5;
MatrixXf m(rows,cols);
m << (Matrix3f() << 1, 2, 3, 4, 5, 6, 7, 8, 9).finished(),
MatrixXf::Zero(3,cols-3),
MatrixXf::Zero(rows-3,3),
MatrixXf::Identity(rows-3,cols-3);
cout << m;