login  home  contents  what's new  discussion  bug reports help  links  subscribe  changes  refresh  edit

fricas
x:=coerce('x)$Expression(Expression Integer)  (1) Type: Expression(Expression(Integer)) fricas ground(x)  (2) Type: Expression(Integer) fricas variables x  (3) Type: List(Symbol) fricas ex1:=sin(x)$Expression(Expression Integer)
 (4)
Type: Expression(Expression(Integer))
fricas
kernels ex1
 (5)
Type: List(Kernel(Expression(Expression(Integer))))

fricas
differentiate(ex1,'x)
 (6)
Type: Expression(Expression(Integer))

fricas
numer ex1
 (7)
Type: SparseMultivariatePolynomial?(Expression(Integer),Kernel(Expression(Expression(Integer))))

fricas
f:=operator 'f
 (8)
Type: BasicOperator?
fricas
f(x)
 (9)
Type: Expression(Expression(Integer))
fricas
opdiff:=operator(operator('%diff)$CommonOperators)$Expression(Expression Integer)
 (10)
Type: BasicOperator?
fricas
%x:=coerce('%x)$Expression(Expression Integer)  (11) Type: Expression(Expression(Integer)) fricas l1:=concat(concat([f(%x)],[%x]),[x])  (12) Type: List(Expression(Expression(Integer))) fricas kernel(opdiff,l1,3)$Kernel(Expression(Expression Integer))
 (13)
Type: Kernel(Expression(Expression(Integer)))
fricas
ex2:=coerce(%)\$Expression(Expression Integer)
 (14)
Type: Expression(Expression(Integer))

fricas
kernels ex1
 (15)
Type: List(Kernel(Expression(Expression(Integer))))
fricas
kernels ex2
 (16)
Type: List(Kernel(Expression(Expression(Integer))))
fricas
variables ex2
>> Error detected within library code:
not a kernel

fricas
differentiate(f(x),'x)
 (17)
Type: Expression(Expression(Integer))
fricas
kernels %
 (18)
Type: List(Kernel(Expression(Expression(Integer))))

 Subject:   Be Bold !! ( 14 subscribers )