英文:
Conversion Issue Pine script Version 2 to Version 5
问题
我找到了这段 Pine Script 版本 2 的代码；在第 9 行中声明了变量 k，它在同一行引用了自己！不知道如何转换这段代码；我会非常感激任何帮助。谢谢。
//@version=2
study("Pseudo Polynomial Channel",overlay=true)
length = input(14),morph = input(0.9,minval=0,maxval=1),mult = input(1.),flatten = input(1.)
//----
x = n
y = close
m(a,b) =>
p = morph * a + (1-morph) * b
k = nz(m(k[length],y),y) + (x-x[length])/(x[length*2]-x[length]) * (nz(m(k[length*2],y),y) -
nz(m(k[length],y),y))/flatten
k1 = sma(k,length)
er = cum(abs(y-k1))/n * mult
//----
a = k1 + er
b = k1 - er
//----
A = plot(a,color=#2196f3,linewidth=2,transp=0)
plot(k1,color=#e65100,linewidth=2,transp=0)
B = plot(b,color=#ff1100,linewidth=2,transp=0)
fill(A,B,#2196f3,transp=95)
请注意，这段代码是 Pine Script 版本 2 的，如果需要将其转换为其他版本，可能需要进行一些适应性的修改。
英文:
I found this pine script Version 2 code; in line 9 of the code variable k is declared it references itself on same line! don't know how to convert this code; I would really appreciate any help. Thank You.
//@version=2
study("Pseudo Polynomial Channel",overlay=true)
length = input(14),morph = input(0.9,minval=0,maxval=1),mult = input(1.),flatten = input(1.)
//----
x = n
y = close
m(a,b) =>
p = morph * a + (1-morph) * b
k = nz(m(k[length],y),y) + (x-x[length])/(x[length*2]-x[length]) * (nz(m(k[length*2],y),y) -
nz(m(k[length],y),y))/flatten
k1 = sma(k,length)
er = cum(abs(y-k1))/n * mult
//----
a = k1 + er
b = k1 - er
//----
A = plot(a,color=#2196f3,linewidth=2,transp=0)
plot(k1,color=#e65100,linewidth=2,transp=0)
B = plot(b,color=#ff1100,linewidth=2,transp=0)
fill(A,B,#2196f3,transp=95)
答案1
得分: 0
只需要首先定义它，然后使用 := 运算符赋予新值。
k = 0.0
k := nz(m(k[length],y),y) + (x-x[length])/(x[length*2]-x[length]) * (nz(m(k[length*2],y),y) - nz(m(k[length],y),y))/flatten
英文:
You just need to define it first then assign the new value with the := operator.
k = 0.0
k := nz(m(k[length],y),y) + (x-x[length])/(x[length*2]-x[length]) * (nz(m(k[length*2],y),y) -
nz(m(k[length],y),y))/flatten
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