[.mvmfd: Extract subsets of an `mvmfd` object
Description
Extract subsets of an `mvmfd` object
Usage
# S3 method for mvmfd
[(mvmfd_obj, i = "index", j = "index")
Value
An `mvmfd` object containing the specified subsets
Arguments
- mvmfd_obj
An `mvmfd` object
- i
An index or indices specifying the subsets to extract for the first dimension
- j
An index or indices specifying the subsets to extract for the second dimension