Bill Allombert on Thu, 08 Dec 2011 19:33:41 +0100


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Re: Compute the value of the function 

On Thu, Dec 08, 2011 at 02:51:42PM +0100, sumaia.saad-eddin wrote:
> Good morning
> 
> I have the function f(x,a,b), I would like to compute the value of
> this function under the condition ((x-1)*b  \leq a \leq  2*x*b),
> I write
> 
> if(a>2*x*b, print("a<=2*x*b is not required, [a,b,x] = ",[a,b,x]),);
> 
> My problem is that I do not know how can I add  the second condition
> ((x-1)*b  \leq a )

You can use && ("and") or || ("or") or even nested if() statements.

Cheers,
Bill.