How can I do this polynomial with sympolic in matlab

How can I do this polynomial with sympolic in matlab

Z= P­0 x0 + P­1 x1 +P­2 x2 + P3 x3 +…….=

[Torsten]

Unclear.

Which polynomial ?

[Adham Ahmed]

How can I do this polynomial with sympolic in matlab

Z= P­0 x0 + P­1 x1 +P­2 x2 + P3 x3 +…….=

Answer 1

[KSSV]

p = sym('P',[1 4]) ;
x = sym('x',[1 4]) ;
f = p*x.'

f = 

[Adham Ahmed]

Thank you so much my dear freind

but how we do with p^0 .x0 +P^1 .x1+P^2.x+P^3.x3

[KSSV]

syms p 
x = sym('x',[1 4]) ;
n = 0:length(x)-1 ;
f = p.^n*x.'

f = 

[Adham Ahmed]

Many thanks my dear friend

[KSSV]

Thanks is accepting/ voting the answer.. :)

Answer 2

[Walter Roberson]

if you have numeric coefficients see poly2sym()