switch.txt
>> help switch

 SWITCH Switch among several cases based on expression.
    The general form of the SWITCH statement is:
 
        SWITCH switch_expr
          CASE case_expr, 
            statement, ..., statement
          CASE {case_expr1, case_expr2, case_expr3,...}
            statement, ..., statement
         ...
          OTHERWISE, 
            statement, ..., statement
        END
 
    The first CASE where the switch_expr matches the case_expr is
    executed.  When the case expression is a cell array (as in the
    second case above), the case_expr matches if any of the elements
    of the cell array match the switch expression.  If none of the
    case expressions match the switch expression then the OTHERWISE
    case is executed (if it exists).  Only one CASE is executed and
    execution resumes with the statement after the END.
 
    The switch_expr can be a scalar or a string.  A scalar switch_expr
    matches a case_expr if switch_expr==case_expr.  A string
    switch_expr matches a case_expr if strcmp(switch_expr,case_expr)
    returns 1 (true).
 
    Example (assuming METHOD exists as a string variable):
 
        switch lower(METHOD)
          case {'linear','bilinear'}, disp('Method is linear')
          case 'cubic', disp('Method is cubic')
          case 'nearest', disp('Method is nearest')
          otherwise, disp('Unknown method.')
        end
 
    See also CASE, OTHERWISE, IF, WHILE, FOR, END.

>> 
>> help case

 CASE SWITCH statement case.
    CASE is part of the SWITCH statement syntax, whose general form is:
 
        SWITCH switch_expr
          CASE case_expr, 
            statement, ..., statement
          CASE {case_expr1, case_expr2, case_expr3,...}
            statement, ..., statement
         ...
          OTHERWISE, 
            statement, ..., statement
        END
 
    See SWITCH for more details.

>> 
>> help otherwise

 OTHERWISE Default SWITCH statement case.
    OTHERWISE is part of the SWITCH statement syntax, whose general
    form is:
 
        SWITCH switch_expr
          CASE case_expr, 
            statement, ..., statement
          CASE {case_expr1, case_expr2, case_expr3,...}
            statement, ..., statement
         ...
          OTHERWISE, 
            statement, ..., statement
        END
 
    The OTHERWISE part is executed only if none of the preceeding
    case expressions match the switch expression.
 
    See SWITCH for more details.

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