how can i write a function?

how can i write a function using X1 and X2 as variables where X2 subject to 1/6*pi<=X2<=1/3*pi ?

Answer 1

[Adam]

function someFunction( X1, X2 )

validateattributes( X2, { 'double', 'single' }, { '>=', pi/6, '<=', pi/3 } )

...

end