1;

function retval = test (x)
	retval = 1/2 * x
	if x < 3
		retval = 1/4 * x
	elseif x > 6
		retval = 3/4 * x
	endif
endfunction

function retval = other (x)
	retval = sin(x)
endfunction

x = 0 : 0.01 : 2*pi

plot(
	x, test(x), "1;Odd Function;",
	x, other(x), "2;Sine;"
)