# Symbolic intergration in Matlab using INT command?

1. Apr 17, 2008

### ACT

Symbolic intergration in Matlab using "INT" command?

Hello,

I am a bit confused a to when should we use the Symbolic intergration using "INT" command in Matlab ?

Thanks

2. Apr 17, 2008

### cotton candy

hii

also and me,
But ,I think at the time when change to symbolic multiplication (*)...

with my best wishes...!!

3. Apr 17, 2008

### ACT

sorry but i don't understand ur reply!

4. Apr 18, 2008

### jianingli

the format in matlab is
int( function, 'variable' ).
For example, to calculate the integral from 1 to 100, the object function is $$x^2 + \sin (x)$$, you should do following:
1. define the function as
f = 'x ^ 2 + sin(x)';
2. integral
int( f, 'x', 1, 100 )