Hi,

real x1=0.0;

real I1=I(x1,t)-0.5;

where I is the solution of an system

My question is: in FF++ how we define the function I1? Please.

The difficulties is that FF++ don’t understant I(x1,t)

Thank you for the help

Hi,

real x1=0.0;

real I1=I(x1,t)-0.5;

where I is the solution of an system

My question is: in FF++ how we define the function I1? Please.

The difficulties is that FF++ don’t understant I(x1,t)

Thank you for the help

Can any one help me please

i try

```
func real I1(real x1,real t){return (I(x1,t)-0.5);}
```

but it’s not good

regards