Undefined function or variable 'impact'.

Question

0 个投票

Hey, Ive been stuck in this script for weeks. dont know what's wrong is it the varible "impact".

because it works for my friend but it dont work with me

function [thetadotdot] = acceleration(r,g,a_c,theta,k0)
thetadotdot = ((g.*r.*sin(theta))+(a_c.*r.*cos(theta)))./k0^2;
end

clc;
clear;
g = 9.81;
theta = 33;
vel = zeros(1,10);
tim = zeros(1,10);
AC = zeros(1,10);
i = 0;
for a_c = 1*g:g:10*g
    i = i + 1;
    AC(i)=a_c;
    I = impact(a_c,theta);
    vel(i) = I;
    tim(i) = 0.75/I;
end
figure
subplot(1,2,1)
plot(AC,vel)
title('Velocity vs acc.');
xlabel('acc');
ylabel('Velocity');
subplot(1,2,2);
plot(AC,tim)
title('Time vs acc.');
xlabel('acc');
ylabel('Time');