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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_noalias.cpp
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Matrix2d a, b, c; a << 1,2,3,4; b << 5,6,7,8;
c.noalias() = a * b; // this computes the product directly to c
cout << c << endl;