Math Expression to Computer Expression (Pascal)

[Guest guest]

Hi Math-familiar-members,

 

I have a simple Math expression which i'd like to

verify and convert to a computer expression

(condition).

 

The math express is so:

One has to check if the variable Delta is within the

range (360 - alpha) -> 0 -> alpha.

 

Alpha can be a -ve or a +ve fractional value.

 

Now this is how i converted it in pascal/delphi:

Result:=(aDeltaLI <= (360 - aAlpha)) and (aDeltaLI >=

aAlpha);

 

Could someone write back to me at mani246

personally and let me know if i'm correct. If i'm not

correct please also explain why, and help me correct

this expression.

 

Plz don't reply to the mailing list if its not

relevant in the list or if people are not going to

benefit from it, use your instincts here.

 

Awaiting some positive replies.

 

Regards

Mani

 

______________________

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visit http://in.autos.

[Guest guest]

What you coded was a closed interval, [360-Alpha, Alpha] and does include the

end points.

 

If you meant the open interval (360-Alpha, Alpha), you should drop the equal

signs. Similarly for the closed

start [360-Alpha, Alpha) or closed end (360-Alpha, Alpha].

 

Since I cannot tell from your notation (360-Alpha) -> x ->Alpha , if you

represent it using the standard notation

(-> don't include end point, [-> include end point, maybe I can be more

specific.

 

Secondly if alpha is < 0, your expression does not work. Set Alpha = -1 then

 

361 <= DeltaLi <= -1

 

If what you intend to do is bound alpha to a finite number, in the range of

[0,360] you must use 360+mod(ve,360) as DeltaLI

to get the correct answer if ve < 0 and mod(ve,360) if ve >0 where mod is the

modulus (remainder) of the number

relative to the base 360

 

Hope this helps

 

*********** REPLY SEPARATOR ***********

 

On 9/8/02 at 11:40 AM Mani. Sark. wrote:

 

>Hi Math-familiar-members,

>

>I have a simple Math expression which i'd like to

>verify and convert to a computer expression

>(condition).

>

>The math express is so:

>One has to check if the variable Delta is within the

>range (360 - alpha) -> 0 -> alpha.

>

>Alpha can be a -ve or a +ve fractional value.

>

>Now this is how i converted it in pascal/delphi:

>Result:=(aDeltaLI <= (360 - aAlpha)) and (aDeltaLI >=

>aAlpha);

>

>Could someone write back to me at mani246

>personally and let me know if i'm correct. If i'm not

>correct please also explain why, and help me correct

>this expression.

>

>Plz don't reply to the mailing list if its not

>relevant in the list or if people are not going to

>benefit from it, use your instincts here.

>

>Awaiting some positive replies.

>

>Regards

>Mani

>

>______________________

>Want to sell your car? advertise on Autos Classifieds. It's Free!!

> visit http://in.autos.

>

>

>

>Om Namo Bhagavate Vasudevaya; Hare Krishna; Om Tat Sat

>: gjlist-

>

>

>

>Your use of is subject to

 

 

 

 

Strange but stupid:

"One of the main causes of the fall of the Roman Empire was that, lacking zero,

they had no way to indicate successful termination of their C programs"

(Weren't Roman C programs always 500 lines long?)

John F (Jack) Melka