[Scilab-users] Anonymous functions

[Serge Steer]

A partial solution should be
deff("y=f(x)","a="+sci2exp(a,0)+";y=a*x")

but it may cause numerical problem as a is formatted
Regards

Serge Steer
On 17/01/2017 08:23, Pierre Vuillemin wrote:
> Hi all,
>
> I am trying to reproduce the behaviour of anonymous function in Scilab 
> (see the code in lambdaFun here: https://github.com/pivui/scilabTools).
>
> At the moment, it works like in Matlab, for instance:
>
> a = eye(3,3);
> lambda 'f(x) = a*x' // the name of the lambda function will be f
> a = rand(3,3)       // the value of 'a' is saved in the lambda 
> function when it is created
> f(ones(3,1))        // gives [1,1,1]'
>
> I would like to emulate the behaviour of lambda function of python as 
> well. In that case, 'a' should change when the initial variable 
> changes, for instance
>
> a = 2
> f = lambda : a
> def fun():
>   a = 4
>   return f
> a = 3
> f()   // should return 3
> fun() // should return 3 -> it does not take the variable 'a' in the 
> function namespace
>
> I need to remember where the value or a is stored, I don't know if it 
> is possible?
>
> Regards,
>
> Pierre
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