How can I creat condition?

For example, I want to calculate if 0<d<2, F=2*d if 2<d<3, F=5*d

I tried to figure it out but It is beyond my ability. Please help me

Answer 1

[Fangjun Jiang]

d=1;
if and(d>0, d<2)
F=2*d;
elseif and(d>2, d<3)
F=5*d;
end

You can also use "if d>0 && d<2" instead. Type "help relop" to learn about relational operators.

[Sanggi Park]

Thanks for answer! And could you help me that If i scale d as 0:0.5:4 and want to know all the F value, what command should I input?