rows(rows, copy = true)
public
Creates a matrix where rows
is an array of arrays, each of which is a
row of the matrix. If the optional argument
copy is false, use the given arrays as the internal structure of
the matrix without copying.
Matrix.rows([[25, 93], [-1, 66]])
=> 25 93
-1 66
Show source
def Matrix.rows(rows, copy = true)
rows = convert_to_array(rows)
rows.map! do |row|
convert_to_array(row, copy)
end
size = (rows[0] || []).size
rows.each do |row|
raise ErrDimensionMismatch, "row size differs (#{row.size} should be #{size})" unless row.size == size
end
new rows, size
end