![]() ![]() If true, the return of the function will be the string 'polynomial'. ![]() To check if a variable is a polynomial or not, we can use the Scilab function typeof(). We can define in a first instance the variable of the polynomial, and second, the polynomial, as a symbolic expression. There is also an alternative way of defining a polynomial in Scilab. Define the polynomial which has the following coefficients: a 0 = 3, a 1=-3, a 2=-8 and a 3=7. The result is the polynomial: \Įxample 2. Define the polynomial which has the following roots: x 1 = -1 and x 2 = 2. 'options' – string representing the type of the polynomial definition the possible values are predefined as: 'roots' (short 'r'), default value, for the definition of the polynomial based on its roots or 'coeff' (short 'c'), for the definition of the polynomial based on its coefficientsĮxample 1. ![]() 'var' – string representing the symbolic variable name of the polynomial the maximum length of the string is 4 characters The syntax of the Scilab poly() function is:ĭata – vector or real number representing the coefficients or the roots of the polynomial N – natural numbers ( a n ∈ N), representing the exponents of the polynomial The generic definition of a polynomial is: \\]Ī n – real numbers ( a n ∈ R), representing the coefficients of the polynomial Depending on the options of the function, the polynomial can be defined based on its coefficients or its roots. The Scilab function for polynomials definition is poly(). Scilab comes with a built-in function to define polynomials. ![]()
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