function discrete Time-integrate with a variable

Hello,

I wanna to integrate a function with a variable.

E.g. f(x) = sin(10-x)

But i dont know how i can do it when i have a variable.

Can u guys help me???

THX

[Zhang lu]

Do u mean ?

syms x 
f='sin(10-x*a)';
int(f,x,0,5)

Answer 1

[Roger Stafford]

For functions which are only known at discrete points, use matlab's 'trapz' function.

[sia]

But i wanna integrate it in simulink. Is there a block to do it???