You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: accessing_sx_algorithm.m
    path of file: ./repos/casadi/docs/examples/matlab
    
    the code of the file until where you have to start completion: %
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%     Copyright (C) 2010-2023 Joel Andersson, Joris Gillis, Moritz Diehl, KU Leuven.
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%     software and associated documentation files (the "Software"), to deal in the Software
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function can be accessed and its operations can be transversed.

import casadi.*

% Create a function
a = SX.sym('a');
b = SX.sym('b',2);
f = Function('f', {a,b}, {2*a + b}, {'a', 'b'}, {'r'});

% Input values of the same dimensions as the above
input_val = {[2.0],
             [3.0;4.0]};

% Output values to be calculated of the same dimensions as the above
output_val = {zeros(2, 1)};

% Work vector
work = cell(1, f.sz_w());

% For debugging
instr = f.instructions_sx();

% Loop over the algorithm
for k=0:f.n_instructions()-1

  % Get the atomic operation
  op = f.instruction_id(k);

  o = f.instruction_output(k)+1;
  i = f.instruction_input(k)+1;

  if op==OP_CONST
    v = f.instruction_constant(k);
    work{o(1)} = v;
    disp(['work{' num2str(o(1)) '} = ' num2str(v) ';'])
  elseif op==OP_INPUT
    v = input_val{i(1)};
    work{o(1)} = v(i(2));
    disp(['work{' num2str(o(1)) '} = input{' num2str(i(1)) '}{' num2str(i(2)) '};     ---> ' num2str(v(i(2)))]);
  elseif op==OP_OUTPUT
    v = output_val{o(1)};
    v(o(2)) = work{i(1)};
    output_val{o(1)} = v;
    disp(['output{' num2str(o(1)) '}{' num2str(o(2)) '} = work{' num2str(i(1)) '};     ---> ' num2str(work{i(1)})]);
  else
    if op==OP_ADD
      work{o(1)} = work{i(1)} + work{i(2)};
      disp(['work{' num2str(o(1)) '} = work{' num2str(i(1)) '} + work{' num2str(i(2)) '};     ---> ' num2str(work{o(1)})]);
    elseif op==OP_MUL
      work{o(1)} = work{i(1)} * work{i(2)};
     disp(['work{' num2str(o(1)) '} = work{' num2str(i(1)) '} * work{'  num2str(i(2)) '};     ---> ' num2str(work{o(1)})]);
    else
      disp_in = {};
      for a=i
         disp_in{end