Vector Log Natural

LN calculates the natural logarithm of each element in the input array.

Method

tm.ta.ln(source)

Inputs

Parameter	Argument type	Description	Default Value
source	pd.Series	Input data series	-

Outputs

Output	Type
ln	np.ndarray

Example usage

strategy.py

import tradomate as tm

@tm.strategy()
def my_strategy(config: tm.TradomateConfig, data: tm.TradomateData):

    # Trying out Vector Log Natural
    ln = tm.ta.ln(data.close)

    # Get the last value and print
    last_value = ln.iloc[-1]
    tm.log(f"Last value of Vector Log Natural is {last_value}")

    # Plot the values of ln
    tm.plot(ln, title="Vector Log Natural", overlay=False)