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Ca_N.A
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Ca_N.A
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>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> module's name: A >>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
A: > Activation function (time constant method) >
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>------------------------------->--------------------------------------->
> > >
> 1 > A = ssA (1) >
> > >
>------------------------------->--------------------------------------->
2 > ssA - A >
0 >IV< > dA/dt= ------------ (2) >
> tA >
>------------------------------->--------------------------------------->
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
ssA: > Steady state value for activation >
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>----------------------->------------------------------------------------------>
1 > 1 >
0.15 >.15 h< > ssA = -------------------- (1) >
5 >5 s< > +- -+ p >
1 >1 p< > | (h-V)/s | >
> |1 + e | >
> +- -+ >
> >
>----------------------->------------------------------------------------------>
> 2 > 1 - An >
> xx >An< > ssA = -------------------- + An >
> xx >h< > +- -+ p >
> xx >s< > | (h-V)/s | (2) >
> xx >p< > |1 + e | >
> > +- -+ >
>----------------------->------------------------------------------------------>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
tA: > Time constant for activation >
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>----------------------->------------------------------------------------------>
> 1 > tA = tx (1)>
> xx >tx< > >
>----------------------->------------------------------------------------------>
> 2 > tx -tn >
> xx >tx< > tA = -------------------- + tn (2)>
> xx >tn< > +- -+ p >
> xx >h< > | (V-h)/s | >
> xx >s< > |1 + e | >
> xx >p< > +- -+ >
> > >
>----------------------->------------------------------------------------------>
3 > tx -tn >
0.01 >.01 tx< > tA = ----------------------------------- + tn (3)>
0.00005 >.00005 tn< > +- -+p1 +- -+p2 >
3.0 >3 h1< > | (V-h1)/s1 | | (V-h2)/s2 | >
18.4 >18.4 s1< > |1+e | |1+e | >
1 >1 p1< > +- -+ +- -+ >
-4.0 >-4 h2< > >
-4.6 >-4.6 s2< > >
1 >1 p2< > >
>----------------------->------------------------------------------------------>
> > +-- -+ >
> 4 > | 1 - rtn | >
> xx >tx< > tA = tx | -------------------- + rtn | (4)>
> xx >rtn< > | +- -+ p | >
> xx >h< > | | (V-h)/s | | >
> xx >s< > | |1 + e | | >
> xx >p< > | +- -+ | >
> > +-- -+ >
> > >
>----------------------->------------------------------------------------------>
> 5 > | 1 - rtn | >
> xx >tx< > tA=tx | ---------------------------------- +rtn | (5)>
> xx >rtn< > | +- -+p1+- -+p2 | >
> xx >h1< > | | (V-h1)/s1| | (V-h2)/s2| | >
> xx >s1< > | |1+e | |1+e | | >
> xx >p1< > | +- -+ +- -+ | >
> xx >h2< > +-- --+ >
> xx >s2< > >
> xx >p2< > >
>----------------------->------------------------------------------------------>