本文整理汇总了C++中Matrix2f::transpose方法的典型用法代码示例。如果您正苦于以下问题：C++ Matrix2f::transpose方法的具体用法？C++ Matrix2f::transpose怎么用？C++ Matrix2f::transpose使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Matrix2f的用法示例。
在下文中一共展示了Matrix2f::transpose方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: rotateCovariance
Matrix2f TeamPlayersLocator::rotateCovariance(const Matrix2f& matrix, const float angle)
{
const float cosine = std::cos(angle);
const float sine = std::sin(angle);
const Matrix2f rotationMatrix = (Matrix2f() << cosine, -sine, sine, cosine).finished();
return (rotationMatrix * matrix) * rotationMatrix.transpose();
}示例2: matrix
void matrix() {
{ // matrix multiplication
const Matrix<5, 3, float> a(0.0, 0.5, 1.0,
1.5, 2.0, 2.5,
3.0, 3.5, 4.0,
4.5, 5.0, 5.5,
6.0, 6.5, 7.0);
const Matrix<3, 4, float> b(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0);
Matrix<5, 4, float> c = a * b;
TESTEQUALS_FLOAT(c[0][0], 0, 1e-7);
TESTEQUALS_FLOAT(c[0][1], 0.5, 1e-7);
TESTEQUALS_FLOAT(c[0][2], 1, 1e-7);
TESTEQUALS_FLOAT(c[0][3], 0, 1e-7);
TESTEQUALS_FLOAT(c[1][0], 1.5, 1e-7);
TESTEQUALS_FLOAT(c[1][1], 2, 1e-7);
TESTEQUALS_FLOAT(c[1][2], 2.5, 1e-7);
TESTEQUALS_FLOAT(c[1][3], 0, 1e-7);
TESTEQUALS_FLOAT(c[2][0], 3, 1e-7);
TESTEQUALS_FLOAT(c[2][1], 3.5, 1e-7);
TESTEQUALS_FLOAT(c[2][2], 4, 1e-7);
TESTEQUALS_FLOAT(c[2][3], 0, 1e-7);
TESTEQUALS_FLOAT(c[3][0], 4.5, 1e-7);
TESTEQUALS_FLOAT(c[3][1], 5, 1e-7);
TESTEQUALS_FLOAT(c[3][2], 5.5, 1e-7);
TESTEQUALS_FLOAT(c[3][3], 0, 1e-7);
TESTEQUALS_FLOAT(c[4][0], 6, 1e-7);
TESTEQUALS_FLOAT(c[4][1], 6.5, 1e-7);
TESTEQUALS_FLOAT(c[4][2], 7, 1e-7);
TESTEQUALS_FLOAT(c[4][3], 0, 1e-7);
}
{ // addition and subtraction
const Matrix2f a(1, 2, 3, 4);
const Matrix2f b(5, 6, 7, 8);
Matrix2f c = a + b;
TESTEQUALS_FLOAT(c[0][0], 6, 1e-7);
TESTEQUALS_FLOAT(c[0][1], 8, 1e-7);
TESTEQUALS_FLOAT(c[1][0], 10, 1e-7);
TESTEQUALS_FLOAT(c[1][1], 12, 1e-7);
c = b - a;
TESTEQUALS_FLOAT(c[0][0], 4, 1e-7);
TESTEQUALS_FLOAT(c[0][1], 4, 1e-7);
TESTEQUALS_FLOAT(c[1][0], 4, 1e-7);
TESTEQUALS_FLOAT(c[1][1], 4, 1e-7);
}
{ // scalar multiplication and division
const Matrix2f a(0, 1, 2, 3);
Matrix2f b = a * 2;
TESTEQUALS_FLOAT(b[0][0], 0, 1e-7);
TESTEQUALS_FLOAT(b[0][1], 2, 1e-7);
TESTEQUALS_FLOAT(b[1][0], 4, 1e-7);
TESTEQUALS_FLOAT(b[1][1], 6, 1e-7);
b = 2 * a;
TESTEQUALS_FLOAT(b[0][0], 0, 1e-7);
TESTEQUALS_FLOAT(b[0][1], 2, 1e-7);
TESTEQUALS_FLOAT(b[1][0], 4, 1e-7);
TESTEQUALS_FLOAT(b[1][1], 6, 1e-7);
b = a / 0.5;
TESTEQUALS_FLOAT(b[0][0], 0, 1e-7);
TESTEQUALS_FLOAT(b[0][1], 2, 1e-7);
TESTEQUALS_FLOAT(b[1][0], 4, 1e-7);
TESTEQUALS_FLOAT(b[1][1], 6, 1e-7);
}
{ // transposition
const Matrix2f a(1, 2, 3, 4);
const Matrix2f b = a.transpose();
TESTEQUALS_FLOAT(b[0][0], 1, 1e-7);
TESTEQUALS_FLOAT(b[0][1], 3, 1e-7);
TESTEQUALS_FLOAT(b[1][0], 2, 1e-7);
TESTEQUALS_FLOAT(b[1][1], 4, 1e-7);
}
{ // vector interaction
const Matrix3f a(2, 0, 0,
0, 2, 0,
0, 0, 2);
const Vector3f v(1, 2, 3);
auto u = (a * v).to_vector();
TESTEQUALS_FLOAT(u[0], 2, 1e-7);
TESTEQUALS_FLOAT(u[1], 4, 1e-7);
TESTEQUALS_FLOAT(u[2], 6, 1e-7);
}
}示例3:
Matrix2f M = Matrix2f::Random();
Matrix2f m;
m = M;
cout << "Here is the matrix m:" << endl << m << endl;
cout << "Now we want to replace m by its own transpose." << endl;
cout << "If we do m = m.transpose(), then m becomes:" << endl;
m = m.transpose();
cout << m << endl << "which is wrong!" << endl;
cout << "Now let us instead do m = m.transpose().eval(). Then m becomes" << endl;
m = M;
m = m.transpose().eval();
cout << m << endl << "which is right." << endl;