text: 
  def plus(A, B):
      '''Plus.'''
  
  def uplus(A)):
      '''Unary plus.'''
  
  def minus(A, B):
      '''Minus.'''
  
  def uminus(A):
      '''Unary minus.'''
  
  def mtimes(A, B):
      '''Matrix multiply.'''
  
  def times(A, B):
      '''Array multiply.'''
  
  def mpower(A, B):
      '''Matrix power.'''
  
  def power(A, B):
      '''Array power.'''
  
  def mldivide(A, B):
      '''Backslash or left matrix divide.'''
  
  def mrdivide(A, B):
      '''Slash or right matrix divide.'''
  
  def ldivide(A, B):
      '''Left array divide.'''
  
  def rdivide(A, B):
      '''Right array divide.'''
  
  def kron(A, B):
      '''Kronecker tensor product.'''
  
  def eq(A, B):
      '''Equal.'''
  
  def ne(A, B):
      '''Not equal.'''
  
  def lt(A, B):
      '''Less than.'''
  
  def gt(A, B):
      '''Greater than.'''
  
  def le(A, B):
      '''Less than or equal.'''
  
  def ge(A, B):
      '''Greater than or equal.'''
  
  def and_(A, B):
      '''Element-wise logical AND.'''
  
  def or_(A, B):
      '''Element-wise logical OR.'''
  
  def not_(A):
      '''Logical NOT.'''
  
  def xor(A, B):
      '''Logical EXCLUSIVE OR'''
  
  def any(A):
      '''True if any element of vector is nonzero'''
  
  def all(A):
      '''True if all elements of vector are nonzero.'''
  
  def transpose(A):
      '''Transpose.'''
  
  def ctranspose(A):
      '''Complex conjugate transpose.'''
  
  def horzcat(*X):
      '''Horizontal concatenation.'''
  
  def vertcat(*X):
      '''Vertical concatenation.'''
  
  def subsasgn(A, B):
      '''Subscripted assignment.'''
  
  def subsref(A, B):
      '''Subscripted reference.'''
  
  def subsindex(A, B):
      '''Subscript index'''
  
  def metaclass(A, B):
      '''Metaclass for MATLAB class.'''
  
  def bitand(A, B):
      '''Bit-wise AND.'''
  
  def bitcmp(A, B):
      '''Complement bits.'''
  
  def bitor(A, B):
      '''Bit-wise OR.'''
  
  def bitmax(A, B):
      '''Maximum floating point integer.'''
  
  def bitxor(A, B):
      '''Bit-wise XOR.'''
  
  def bitset(A, B):
      '''Set bit.'''
  
  def bitget(A, B):
      '''Get bit.'''
  
  def bitshift(A, B):
      '''Bit-wise shift.'''
  
  def union(A, B):
      '''Set union.'''
  
  def unique(A, B):
      '''Set unique.'''
  
  def intersect(A, B):
      '''Set intersection.'''
  
  def setdiff(A, B):
      '''Set difference.'''
  
  def setxor(A, B):
      '''Set exclusive-or.'''
  
  def ismember(A, B):
      '''True for set member.'''
  