FMS

Building a AI in Autoit

1 post in this topic

#1 ·  Posted

Hello,

I'm building whit mine limited coding know-how :) a AI in Autoit....
Just because..... why not :ILA2:

It's not doing what i tought it would do.

I hope somebody could help me whit this script?

so far :

-building an learning grid --> AI needs to guess the label in the grin whit only the X and Y value.
-Building an array filled whit random values as weights.
-quess the label
-learn - if quess not the same as the label go change the weights

At this point (the changing of the weights) I've some strange result and hope somebody could point me in the right direction
I think that the problem is in the formula for changing the weights.

PS. I'm also open for good coding practice ;)  I'm learning coding as i go ;)

#AutoIt3Wrapper_Au3Check_Parameters=-d -w 1 -w 2 -w 3 -w 4 -w 5 -w 6 -w 7
#include <MsgBoxConstants.au3>
#include <Array.au3>

build_grid_list()
build_neurons()

_ArrayDisplay($gridlist,"$gridlist 0","",32)
_ArrayDisplay($neurons,"$neurons 0","",32)

For $i = 1 To UBound($gridlist,1) - 1
   If $gridlist[$i][3] = 1 Then
      go_learn($neurons[1][0],$gridlist[$i][0])
   EndIf
Next

_ArrayDisplay($gridlist,"$gridlist 1","",32)
_ArrayDisplay($neurons,"q$neurons 1","",32)

Func go_learn($neuron_ID,$gridlist_ID)
   Local $test = guess($gridlist_ID , $neuron_ID )
   For $i = 1 To 5000
      If $test <> $gridlist[$gridlist_ID][4] Then
         change_wieght($neuron_ID , $gridlist_ID )
         $test = guess($gridlist_ID , $neuron_ID )
      Else
         ExitLoop
      EndIf
   Next
EndFunc

Func guess($gridlist_ID , $neuron_ID = 1 ,$raw = 0);, $loop = 0 )
   Local $temp = 0
;~    For $i = 1 To ubound($neurons,1) -1
      ; input1 * W1 + input2 * W2 + Bias(1) * W3
      $temp = $gridlist[$gridlist_ID][1] * $neurons[$neuron_ID][1] + $gridlist[$gridlist_ID][2] * $neurons[$neuron_ID][2] + 1 * $neurons[$neuron_ID][3]

      ;activate (sign)
      If $temp >= 0 Then
         $neurons[$neuron_ID][6] = 1
      Else
         $neurons[$neuron_ID][6] = -1
      EndIf
      $gridlist[$gridlist_ID][5] = $neurons[$neuron_ID][6]
      $gridlist[$gridlist_ID][6] = $gridlist[$gridlist_ID][6] + 1
      $neurons[$neuron_ID][9] = $neurons[$neuron_ID][9] + 1

      If $raw = 0 Then
         Return $neurons[$neuron_ID][6]
      Else
         Return $temp
      EndIf
EndFunc

Func build_neurons($needed_neurons = 10 )

   Global $neurons[$needed_neurons + 1][10]
   $neurons[0][0] = "id"
   $neurons[0][1] = "wieght1"
   $neurons[0][2] = "wieght2"
   $neurons[0][3] = "wieght3"
   $neurons[0][4] = "input1"
   $neurons[0][5] = "input2"
   $neurons[0][6] = "output"
   $neurons[0][7] = "tweak_counter"
   $neurons[0][8] = "not_tweak_counter"
   $neurons[0][9] = "quess_counter"

   Local $temp = 1
   For $i = 1 To $needed_neurons; -1
      $neurons[$i][0] = $i                  ;id

      Do                                    ;zero_check output wieght1
         $temp = Random(-1 , 1)
      Until $temp <> 0
      $neurons[$i][1] = $temp               ;wieght1

      Do                                    ;zero_check output wieght2
         $temp = Random(-1 , 1)
      Until $temp <> 0
      $neurons[$i][2] = $temp               ;wieght2

      Do                                    ;zero_check output wieght3
         $temp = Random(-1 , 1)
      Until $temp <> 0
      $neurons[$i][3] = $temp               ;wieght3

      $neurons[$i][4] = 0                   ;input1
      $neurons[$i][5] = 0                   ;input2
      Do                                    ;zero_check output
         $temp = Random(-1 , 1 , 1)
      Until $temp <> 0
      $neurons[$i][6] = $temp               ;output +1 / -1
;~    $neurons[$i][6] = 0                   ;output
      $neurons[$i][7] = 0                   ;tweak_counter
      $neurons[$i][8] = 0                   ;not_tweak_counter
      $neurons[$i][9] = 0                   ;quess_counter
   Next
EndFunc

Func build_grid_list($grid_x = 10 ,$grid_y = 10 )
   Global $gridlist[($grid_x * $grid_y) + 1 ][7]
   Local $counter = 1
   $gridlist[0][0] = "ID"
   $gridlist[0][1] = "X"
   $gridlist[0][2] = "Y"
   $gridlist[0][3] = "Active"
   $gridlist[0][4] = "Label"
   $gridlist[0][5] = "quessed"
   $gridlist[0][6] = "quessed_counter"
   For $x = 0 to $grid_x - 1
      For $y = 0 to $grid_y - 1
         $gridlist[$counter][0] = $counter
         $gridlist[$counter][1] = $x
         $gridlist[$counter][2] = $y
         If Random(-1 , 1) >= 0 Then
            $gridlist[$counter][3] = 0
         Else
            $gridlist[$counter][3] = 1
         EndIf
         If $x > $y Then
            $gridlist[$counter][4] = 1
         Else
            $gridlist[$counter][4] = -1
         EndIf
         $gridlist[$counter][5] = -99
         $gridlist[$counter][6] = 0
         $counter = $counter + 1
      Next
   Next
EndFunc

Func change_wieght($neuron_id , $grid_id );, $W1 , $W2 )
   ;W1 = W1 + ^W1 (some change in W1)
   ;^W = err(known) * input ($neurons[$id][3] = "output") * learningrate
   ;$neurons[$id][1] = $neurons[$id][1] + "wieght1"
   Local $iReturn = False

   ;  Desired   |   Quess   |   Error
   ;    -1          -1          0
   ;    -1          +1          -2
   ;    +1          -1          +2
   ;    +1          +1          0
   Local $error = $gridlist[$grid_id][4] - $neurons[$neuron_id][6]
   If $error <> 0 Then
      Local $learningrate = 0.1
      Local $str_len1 = StringLen($neurons[$neuron_id][1])
      Local $str_len2 = StringLen($neurons[$neuron_id][2])
      Local $str_len3 = StringLen($neurons[$neuron_id][3])
      Local $dif_weights1 = $error * $neurons[$neuron_id][1] * $learningrate
      Local $dif_weights2 = $error * $neurons[$neuron_id][2] * $learningrate
      Local $dif_weights3 = $error * $neurons[$neuron_id][3] * $learningrate
      Local $verschil1 = StringLeft($dif_weights1,$str_len1)
      Local $verschil2 = StringLeft($dif_weights2,$str_len2)
      Local $verschil3 = StringLeft($dif_weights3,$str_len3)
      Local $new_wieght1 = $neurons[$neuron_id][1] + $verschil1
      Local $new_wieght2 = $neurons[$neuron_id][2] + $verschil2
      Local $new_wieght3 = $neurons[$neuron_id][3] + $verschil3
      $neurons[$neuron_id][1] = StringLeft($new_wieght1,$str_len1) 
      $neurons[$neuron_id][2] = StringLeft($new_wieght2,$str_len2)
      $neurons[$neuron_id][3] = StringLeft($new_wieght3,$str_len3)

      $neurons[$neuron_id][7] = $neurons[$neuron_id][7] + 1 ;"counter"
      $iReturn = False
   Else
      $neurons[$neuron_id][8] = $neurons[$neuron_id][8] + 1 ;"not counter"
      $iReturn = True
   EndIf

   Return $iReturn

EndFunc

thanks in advanced.

 


as finishing touch god created the dutch

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