[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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Array<double,1,3> x(8,25,3),
                  e(1./3.,0.5,2.);
cout << "[" << x << "]^[" << e << "] = " << x.pow(e) << endl; // using ArrayBase::pow
cout << "[" << x << "]^[" << e << "] = " << pow(x,e) << endl; // using Eigen::pow