MathAction SandBoxExpressionExpression

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- SandBox
  - SandBoxExpressionExpression <-- You are here.

fricas

(1) -> x:=coerce('x)$Expression(Expression Integer)

$\label{eq1}x$

(1)

Type: Expression(Expression(Integer))

fricas

ground(x)

$\label{eq2}x$

(2)

Type: Expression(Integer)

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variables x

$\label{eq3}\left[ \right]$

(3)

Type: List(Symbol)

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ex1:=sin(x)$Expression(Expression Integer)

$\label{eq4}\sin \left({x}\right)$

(4)

Type: Expression(Expression(Integer))

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kernels ex1

$\label{eq5}\left[ \right]$

(5)

Type: List(Kernel(Expression(Expression(Integer))))

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differentiate(ex1,'x)

$\label{eq6}0$

(6)

Type: Expression(Expression(Integer))

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numer ex1

$\label{eq7}\sin \left({x}\right)$

(7)

Type: SparseMultivariatePolynomial?(Expression(Integer),Kernel(Expression(Expression(Integer))))

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f:=operator 'f

$\label{eq8}f$

(8)

Type: BasicOperator?

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f(x)

$\label{eq9}f \left({x}\right)$

(9)

Type: Expression(Expression(Integer))

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opdiff:=operator(operator('%diff)$CommonOperators)$Expression(Expression Integer)

$\label{eq10}\%diff$

(10)

Type: BasicOperator?

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%x:=coerce('%x)$Expression(Expression Integer)

$\label{eq11}\%x$

(11)

Type: Expression(Expression(Integer))

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l1:=concat(concat([f(%x)],[%x]),[x])

$\label{eq12}\left[{f \left({\%x}\right)}, \: \%x , \: x \right]$

(12)

Type: List(Expression(Expression(Integer)))

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kernel(opdiff,l1,3)$Kernel(Expression(Expression Integer))

$\label{eq13}{f^{\prime}}\left({x}\right)$

(13)

Type: Kernel(Expression(Expression(Integer)))

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ex2:=coerce(%)$Expression(Expression Integer)

$\label{eq14}{f^{\prime}}\left({x}\right)$

(14)

Type: Expression(Expression(Integer))

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kernels ex1

$\label{eq15}\left[ \right]$

(15)

Type: List(Kernel(Expression(Expression(Integer))))

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kernels ex2

$\label{eq16}\left[{{f^{\prime}}\left({x}\right)}\right]$

(16)

Type: List(Kernel(Expression(Expression(Integer))))

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variables ex2

   >> Error detected within library code:
   not a kernel

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differentiate(f(x),'x)

$\label{eq17}0$

(17)

Type: Expression(Expression(Integer))

fricas

kernels %

$\label{eq18}\left[ \right]$

(18)

Type: List(Kernel(Expression(Expression(Integer))))

Subject: Be Bold !!

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