moments: Second moment tensor
In cooltools: Practical Tools for Scientific Computation and Visualisation
moments R Documentation
Second moment tensor
Description
Computes the second moment tensor of a set of point masses in arbitrary
dimensions,
\mathbf{M}
=
\sum_i m_i\,\mathbf{x}_i\mathbf{x}_i^\mathrm{T}.
Usage
moments(x, m = 1)
Arguments
x
Numeric vector or matrix. If a matrix is supplied, each row is
interpreted as a point.
m
Numeric scalar or vector of point masses. If a scalar is supplied,
the same mass is assigned to every point.
Value
A symmetric d\times d matrix containing the second moment tensor,
where d is the dimension of the points.
See Also
quadrupole, inertia
cooltools documentation built on Sept. 11, 2026, 5:06 p.m.
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| moments | R Documentation |
Second moment tensor
Description
Computes the second moment tensor of a set of point masses in arbitrary dimensions,
\mathbf{M}
=
\sum_i m_i\,\mathbf{x}_i\mathbf{x}_i^\mathrm{T}.
Usage
moments(x, m = 1)
Arguments
x |
Numeric vector or matrix. If a matrix is supplied, each row is interpreted as a point. |
m |
Numeric scalar or vector of point masses. If a scalar is supplied, the same mass is assigned to every point. |
Value
A symmetric d\times d matrix containing the second moment tensor,
where d is the dimension of the points.
See Also
quadrupole, inertia
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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