Модуль:Symmath

Викитекст	Результат
{{#tag:math|{{#invoke:symmath|производная|sin}}}}	$\cos\left( x\right)0$
{{#tag:math|{{#invoke:symmath|производная|sin|x}}}}	$\cos\left( x\right)0$
{{#tag:math|{{#invoke:symmath|интеграл|cos|x}}}}	$\sin\left( x\right) + C$
{{#tag:math|{{#invoke:symmath|ряд тейлора|cos|x}}}}	${\frac{1}{24} }{\left({ {24} + { {x}^{4} }{-{ {{12} } { {{x}^{2} }} }} }\right)}6$

---

require'symmath'.setup{
	implicitVars = true
  , fixVariableNames = true
  , env = symmath
}
local latex = symmath.export.MathJax
latex.openSymbol = ''
latex.closeSymbol = ''
local exp = export.MathJax

local gsub = mw.ustring.gsub
local mj = function (arg)
	return gsub (gsub (exp (arg), '{{', '{ {'), '}}', '} }')
end
	
local p = {}
p ['производная'] = function (frame)
	local func = frame.args[1]
	local arg = symmath.var (frame.args[2] or 'x')
	return mj (_G [func] (arg):diff (arg) ())
end

p ['ряд тейлора'] = function (frame)
	local func = frame.args[1]
	local arg = symmath.var (frame.args[2] or 'x')
	return mj (_G [func] (arg):taylor (arg, 0, 4) ())
end

p ['интеграл'] = function (frame)
	local func = frame.args[1]
	local arg = symmath.var (frame.args[2] or 'x')	
	if frame.args[3] and frame.args[4] then
		local from, to = symmath.var (frame.args[3]), symmath.var (frame.args[4])	
		return mj (_G [func] (arg):integrate (arg, from, to) ())
	else
		return mj (_G [func] (arg):integrate (arg) ()) .. ' + C'
	end
end

return p