'V' Formation Aircraft
                                                   'V' Formation Aircraft ¶ https://www.ridwanreza.com/2022/05/v-formation-aircraft.html       In [1]:         import  autograd.numpy  as  np  import  math  from  autograd  import  grad ,  jacobian ,  hessian  import  matplotlib.pyplot  as  plt                 In [2]:         # Function to calculate Steepest Descent and Newton Method  def  nablaf ( x , f ):    j = jacobian ( f )    return  j ( x )   def  nabla2f ( x , f ):    j = hessian ( f )    return  j ( x )   def  Anablaf ( x , f ):    return  nabla2f ( x , f ) @nablaf ( x , f )   def  theta ( x , f ):    return  - ( nablaf ( x , f ) @nablaf ( x , f )) / ( nablaf ( x , f ) @Anablaf ( x , f ))   def  steepest_descent ( x , f , printt = False ):    stop = False    iter = 0 ;  max_iter = 250    error = 0.1 ** 8    while  stop == False :      iter += 1      r = nablaf ( x , f )       Ar = Anablaf ( x , f )       t = theta ( x , f )      x = x + t * r      #if iter%10==1 and...