TradingSystems

Patrimonial managements through trading signals

Writing of new Trading Tool

Thank you for beginning to write a new Trading Tool!

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Title of the tool:

Argument: New argument:

Select a functions library:

function polynomial_str($array_of_coefficients){  //Polynomial string from the coefficients, ex: "a*x^4 + b*x^3 + c*x^2 + d*x + e" ... }
function polynomial_x0($array_of_cash_flows){  //First approssimation of the x0=1/irr0 (real root of the polynomial equation) ... }
function internal_rate_of_return($array_of_cash_flows){  //Calculate the internal rate of return with the Newton-Raphson polynomial equation solution ... }

The already inserted values are only for example

Number of the Input variables:

Name	Initial value*	Description
$ =		Ammontare iniziale
$ =		Guadagno realizzato

* = It's also possible to use functions to initialize the variables.

Select the libraries to use for the calculating the results (beyond the new one inserted):

polynomial.inc math.inc Math date.inc

Number of the results to calculate:

Name	Formula**	Description
		Guadagno percentuale
$ =

** = To calculate the results, please use the php4 functions and those present in the libreries.

Contact name:

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Writing of new Trading Tool