Problem 2550. Evaluating a polynomial

Given the following polynomial and the value for x, determine y.

 y = 3x^5 – x^3 + 8x – 3

Example

 x = 1
 y = 3 - 1 + 8 - 3 = 7

Solve

Last solution submitted on Sep 15, 2019

Ciuban Sebastian on 21 Nov 2014

function y = equation(x)
syms f z
f=3*z^5-z^3+8*z-3
y=subs(f,x)
end

why is not working?

David Verrelli on 16 Mar 2018

syms requires the Symbolic Math Toolbox, which is not available on Cody.