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## Symbolic intergration in Matlab using "INT" command?

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 )