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Polynomial Roots Solver
An EngineersToolbox Calculation Module

Background Information:
This module solves for the roots of a polynomial with constant real coefficients.

Input:
The Polynomial Roots Solver module input form is shown in Figure 1. The module has a single input field into which the polynomial coefficients are entered in descending order with one or more spaces between coefficients.  Some input examples are shown in Table 1.

 

Figure 1. Polynomial Roots Solver module input form

Table 1: Input examples.

Input Coefficients Polynomial
3  5  0  8  -3  1  -1  2

1  -8  5  0  0

5 0 0 -8 -6 -7 0 0 0 1

 
Output:
The roots of the specified polynomial equation are displayed in the standard ETB output window shown in Figure 2.

 

Figure 2. Polynomial Roots Solver calculated results.

 
References:
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