How to draw a plot by coefficents?

I have 5 coefficents: for example: a = [2 3 4 5 6]

And I want to draw a plot a1 + a2*t + a3*t^2 + a4*sin(t) + a5*cos(t)

how to do this?

Answer 1

[Walter Roberson]

If t is already defined as a numeric vector, then:

y = a(1) + a(2)*t + a(3)*t.^2 + a(4)*sin(t) + a(5)*cos(t);
plot(t, y);

If t is a symbolic variable, I believe you could use the same y, but afterwards you would either have to subs() in actual numeric values or else you would have to use ezplot()