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-   -   My baby (https://forums.graalonline.com/forums/showthread.php?t=65269)

Yen 04-09-2006 05:20 AM
My baby
 
PHP Code:
function onFactorSynDiv(equation) {
  this.result = "";
  this.equation = equation;
  this.oequation = equation;
  this.factors = "";
  temp.checkfactor = this.equation[this.equation.size()-1];
  for (a = abs(temp.checkfactor)*-1; a <= abs(temp.checkfactor); a++) {
    if ((temp.checkfactor / a) == int(temp.checkfactor / a)) {
      if (a == 0) continue;
      if (temp.used.index(temp.checkfactor / a) == -1) {
        this.factors.add(temp.checkfactor / a);
        temp.used.add(temp.checkfactor / a);
      }
    }
  }

  onSyntheticDivision(this.factors[0],this.equation);
}

function NextDiv() {
  this.factors.delete(0);
  if (this.factors.size() > 0) onSyntheticDivision(this.factors[0],this.equation);
  else {
    if (this.result == "") {
      echo(ParseEquation(this.equation) SPC "cannot be factored by this method.");
      return;
    }
    echo(ParseEquation(this.oequation));
    echo("Divided down to" SPC this.result);
    if (this.equation.size() > 0) {
      if (this.equation[0] != 1) {
        echo(ParseEquation(this.equation) SPC "is left over.");
      }
    }
    echo("Result:" SPC this.result @ ParseEquation(this.equation));
  }
}

function onSyntheticDivision(factor,equation) {
  if ((equation[equation.size()-1] / factor) != int(equation[equation.size()-1] / factor)) {
    NextDiv();
    return;
  }
  temp.arr1 = new[equation.size()];
  temp.arr2 = new[equation.size()];
  
  temp.arr2[0] = equation[0];
  
  for (a = 1; a < equation.size(); a++) {
    temp.arr1[a] = temp.arr2[a-1] * factor;
    temp.arr2[a] = temp.arr1[a] + equation[a];
  }
  if (temp.arr2[temp.arr2.size()-1] == 0) {
    temp.arr2.delete(temp.arr2.size()-1);
    this.equation = temp.arr2;
    this.result @= "(x";
    if ((factor*-1) < 0) this.result @= " - ";
    else this.result @= " + ";
    this.result @= abs(factor) @ ")";
  }
  NextDiv();
}

function ParseVar(factor) {
  if (factor > 0) return "+" @ factor;
  else return factor;
}

function ParseEquation(equation) {
  for (e = 0; e < equation.size(); e++) {
    if (equation[e] == 0) continue;
    if (e < equation.size() - 1) {
      if (abs(equation[e]) == 1) temp.toreturn @= "x";
      else temp.toreturn @= abs(equation[e]) @ "x";
    }
    else temp.toreturn @= abs(equation[e]);
    if (e < equation.size() - 2) temp.toreturn @= "^" @ equation.size() - 1 - e;
    if (e < equation.size() - 1) {
      if (equation[e] < 0) temp.toreturn @= " - ";
      else temp.toreturn @= " + ";
    }
  }
  if (temp.toreturn == 1) return "";
  return temp.toreturn;
} 
Synthetic division, anyone?

Googi 04-09-2006 05:26 AM
Huh? It's just a calculator.

Yen 04-09-2006 05:31 AM
>:|
Can your calculator factor x^2 + 5x + 6!?

Of course it can by finding the zero values, but can it actually give (x+2)(x+3) at once?

napo_p2p 04-09-2006 06:59 AM
Quote:
Originally Posted by Yen
>:|
Can your calculator factor x^2 + 5x + 6!?
Yea. >_<

xXziroXx 04-09-2006 11:46 AM
So can my calculator, nothing special. I can even make games with mine! (seriously!)

napo_p2p 04-09-2006 11:50 AM
Quote:
Originally Posted by xXziroXx
So can my calculator, nothing special.
Nah, I still think it's nice though. And it's special on Graal. I never saw one before (on Graal).

Goob job Yen!

Omini 04-09-2006 12:24 PM
Kinda makes me wish I could script... well I can but only a little in GS1, when it comes to GS2 I havn't got a chance. :p

excaliber7388 04-09-2006 05:13 PM
^^ nice

Python523 04-09-2006 05:20 PM
Just what I always wanted, a factor tool that can't handle fraction factors

ZeLpH_MyStiK 04-09-2006 06:03 PM
Quote:
Originally Posted by Python523
Just what I always wanted, a factor tool that can't handle fraction factors
Great! I'll be sure to sign on Graal to use a calculator when my TI runs out of battery. I hope you update this calculator to perform multivariable calculus functions.

Damix2 04-09-2006 06:51 PM
Quote:
Originally Posted by Yen
>:|
Can your calculator factor x^2 + 5x + 6!?

Of course it can by finding the zero values, but can it actually give (x+2)(x+3) at once?
Yes.

Yen 04-09-2006 07:33 PM
:( My calculator can't.
I feel gimp..
BRB slitting wrists.

ApothiX 04-11-2006 02:34 PM
Quote:
Originally Posted by Yen
:( My calculator can't.
I feel gimp..
BRB slitting wrists.
Go spend $200 on a TI calculator :(

Yen 04-12-2006 01:25 AM
I have one. :(

It can't do factors as far as I know, though.

jake13jake 04-12-2006 01:43 AM
Ugh I hate stacks.

Prozac 04-12-2006 06:27 AM
... so am I the only one who loves programming
but hates math?

Andy0687 04-12-2006 09:38 AM
Quote:
Originally Posted by Prozac
... so am I the only one who loves programming
but hates math?
nope, i despised all my math classes.

jake13jake 04-12-2006 04:20 PM
Yen, you should just make a stack loader that will take in for a string of numbers and operators... and perhaps make some sort of interpretation for variable names.

Prozac 04-12-2006 06:01 PM
since there is talk of a data structure (a stack)
let's see a gscript bubble sort
or better yet
a red-black threaded binary search tree
(the data structure used on most operating systems to store and access information on hard drives)

jake13jake 04-12-2006 06:06 PM
Quote:
Originally Posted by Prozac
since there is talk of a data structure (a stack)
let's see a gscript bubble sort
or better yet
a red-black threaded binary search tree
(the data structure used on most operating systems to store and access information on hard drives)
ewww @ bubblesort... takes too long... ewwwwww


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