Eigen is a C++ template library that provides support for linear algebra operations. One of the most commonly used classes in Eigen is the Vector3f class, which represents a 3-dimensional vector of single-precision floating point values.
The transpose operation in Eigen allows us to flip the rows and columns of matrices and vectors. We can use the transpose method of the Vector3f class to create a new vector that is the transpose of an existing one. For example:
```c++
#include
int main() {
Eigen::Vector3f vec(1, 2, 3);
Eigen::Vector3f vec_transpose = vec.transpose();
return 0;
}
```
In this example, we create a Vector3f object vec with values (1, 2, 3). We then call the transpose method on vec to create a new vector vec_transpose that has the values (1, 2, 3) in a single column.
This example is using the Eigen package library.
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