ncol_elements S3 method for blockmatrix objectncol_elements S3 method for blockmatrix
object
ncol_elements(M, zero_element = "0", ...)
"ncol_elements" (M, zero_element = "0", ...)
"ncol_elements" (M, zero_element = "0", ...)blockmatrix object"0"M. It is NA if the elements has different
number of columns.