1 
t = input("Enter the values of t: ");
v = input("Enter values of v: ");
v = v';
t = t';
ones_vector = ones(1, size(t, 1));
t = [ones_vector' t];
a = inv(t' * t) * t' * v;
a = a';
t1 = input("Enter a time: ");
result = a(1) + t1 * a(2); 
display(result);













2
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t = input("Enter the values of t: ");
v = input("Enter values of v: ");
v = v';
t = t';
t2 = t.^2;
display(t2);
t = [t t2];
display(t);
ones_vector = ones(1, size(t, 1));
t = [ones_vector' t];
a = inv(t' * t) * t' * v;
a = a';
t1 = input("Enter a time: ");
result = a(1) + t1 * a(2) + a(3)*t1.^2; 
display(result);