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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
/
MatrixBase_isZero.cpp
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Matrix3d m = Matrix3d::Zero();
m(0,2) = 1e-4;
cout << "Here's the matrix m:" << endl << m << endl;
cout << "m.isZero() returns: " << m.isZero() << endl;
cout << "m.isZero(1e-3) returns: " << m.isZero(1e-3) << endl;