case (MATLAB Functions)

Execute block of code if condition is true

Syntax

```
case case_expr
```

Description

case is part of the switch statement syntax which allows for conditional execution. A particular case consists of the case statement itself followed by a case expression and one or more statements.

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

case case_expr compares the value of the expression switch_expr declared in the preceding switch statement with one or more values in case_expr, and executes the block of code that follows if any of the comparisons yield a true result.

You typically use multiple case statements in the evaluation of a single switch statement. The block of code associated with a particular case statement is executed only if its associated case expression (case_expr) is the first to match the switch expression (switch_expr).

Examples

To execute a certain block of code based on what the string, method, is set to,

method = 'Bilinear';

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

Method is linear

See Also

switch, otherwise, end, if, else, elseif, while

cart2sph cast