Specific method for printing the multiroot class, created for multiroot
function, in a pleasing form.
     
    
    Usage
    # S3 method for class 'multiroot'
print(x, ...)
 
    
    Arguments
- x
- a list. 
- ...
- additional arguments, will be ignored. 
 
    
    
    Details
    The multiroot class is a list with slots root, iter, err.
     
    
    
    Examples
    mt <- structure(list(root = 1, iter = 20, err = 1e-8), class = "multiroot")
print(mt)
#> root: 1 
#> iter: 20 
#> err: 1e-08