Syntax

talib.LN

Calculates the natural logarithm of each element (Vector Log Natural).


    
    
    
talib.LN(inReal)

Examples

Compute the natural logarithm of a few numbers.

javascript
python


    javascript
    
    
function main() {
    var data = [1, 2, 3]
    var ret = talib.LN(data)
    // Output: about [0, 0.6931, 1.0986]
    Log(ret)
}


    python
    
    
import talib
import numpy as np
def main():
    data = [1.0, 2.0, 3.0]
    ret = talib.LN(np.array(data))
    # Output: about [0, 0.6931, 1.0986]
    Log(ret)

Returns

Type	Description
numeric array	Results, the same length as the input.

Arguments

Name	Type	Required	Description
inReal	`Record` array / numeric array	Yes	K-line array (close prices are used) or numeric array; in Python, pass a numeric array such as `records.Close`.