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... Q, K, V)
METHOD Backward(d_output)
METHOD InitGradients()
ENDCLASS

METHOD New(d_model, n_heads) CLASS MultiHeadAttention
LOCAL scale := 1.0 / Sqrt(d_model)

// Guardamos d_model como propiedad de la clase
::d_model := d_model

// Inicializar matrices de pesos
::WQ := hb_MatrixScale(hb ...

... METHOD Forward(Q, K, V)
METHOD Backward(d_output) VIRTUAL
ENDCLASS

METHOD New(d_model, n_heads) CLASS MultiHeadAttention
LOCAL scale := 1.0 / Sqrt(d_model)
::WQ := hb_MatrixScale( hb_MatrixRandom(d_model, d_model), scale )
::WK := hb_MatrixScale( hb_MatrixRandom(d_model, d_model), scale ...

... weights, output

// Producto punto escalado
scores := hb_MatrixMultiply(Q, hb_MatrixTranspose(K))

scaled_scores := hb_MatrixScale(scores, 1 / Sqrt(::d_model))

// Aplicar softmax
attention_weights := hb_Softmax(scaled_scores)

// Atención ponderada
output := hb_MatrixMultiply(attention ...

SET DECIMALS, Exp(), Log(), Sqrt(), Val(), Set()



Saludos.

Buenas tardes Jairo !

No tengo claro si es esto lo que necesitas https://harbour.github.io/doc/clc53.html#sqrt .

O si lo que necesitas es esto https://www.superprof.es/apuntes/escolar/matematicas/aritmetica/naturales/calculo-de-la-raiz-cuadrada.html .

Muchas gracias ...

... cNull
Sign(<nNumber>)->nSign
Sin(<nAngle>)->nSine
SinH(<nRadians>)->nHyperbolicSine
SoundEx(<cString>)->cSoundExString
Space(<nCount>)->cSpaces
SQrt(<nNumber>)->nRoot
Standard()->cNull
StoD([<cDate>])->dDate
StoT([<cDateTime>])->dDateTime
Str(<nNumber>,[<nLength>],[<nDecimals>],[lTrim])->cNumber ...

... cNull
Sign(<nNumber>)->nSign
Sin(<nAngle>)->nSine
SinH(<nRadians>)->nHyperbolicSine
SoundEx(<cString>)->cSoundExString
Space(<nCount>)->cSpaces
SQrt(<nNumber>)->nRoot
Standard()->cNull
StoD([<cDate>])->dDate
StoT([<cDateTime>])->dDateTime
Str(<nNumber>,[<nLength>],[<nDecimals>],[lTrim])->cNumber ...

... SetLastError
SetLastKey
SetMode
SetMouse
SetNewDate
SetNewTime
SetPos
SetPrc
SetPrec
SetRegistry
SetTime
ShowTime
Sign
Sin
SinH
SoundEx
Space
SQrt
Standard
StoD
StoT
Str
StrDel
StrDiff
StrFile
StrFormat
StringToLiteral
StrOccurs
StrPeek
StrPoke
StrScreen
StrSwap
StrToHex
StrTran
StrZero
Stuff ...

... LIB|initsymb
Error: Unresolved external '_HB_FUN_SPACE' referenced from P:\32BITS\XHARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_SQRT' referenced from P:\32BITS\XHARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_STR' referenced from P:\32BITS\XHARBOUR\LIB\VM.LIB ...

... LIB|initsymb
Error: Unresolved external '_HB_FUN_SPACE' referenced from P:\32BITS\XHARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_SQRT' referenced from P:\32BITS\XHARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_STR' referenced from P:\32BITS\XHARBOUR\LIB\VM.LIB ...

... lib/libhbrtl.a(math.o): In function `HB_FUN_LOG':
math.c:(.text+0x912): undefined reference to `log'
./lib/libhbrtl.a(math.o): In function `HB_FUN_SQRT':
math.c:(.text+0xa4a): undefined reference to `sqrt'
./lib/librddntx.a(dbfntx1.o): In function `hb_ntxSortNew':
dbfntx1.c:(.text+0xb6fc): undefined ...

... LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_SPACE' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_SQRT' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_STR' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error ...

... LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_SPACE' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_SQRT' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_STR' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error ...

... Locato
Calco()
GA = LF-LE
IF Locato1 = Locato2
DX := 1
Else
N=SIN(BE)*SIN(BF)+COS(BE)*COS(BF)*COS(GA) && calcolo qrb
DX=INT(( - ATn(N/SQRT(1-N*N))+3.1415926/2)*F+.5)
Endif

RETURN Nil
*-----------------

FUNC Calco

oa=ASC(Substr(locato,1,1))
ob=ASC(Substr(locato,2,1))
oc=Substr(locato ...

... VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_SPACE' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_SQRT' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error: Unresolved external '_HB_FUN_STR' referenced from C:\HARBOUR\LIB\VM.LIB|initsymb
Error ...