Class: Exp

Inherits:
Equation show all
Defined in:
lib/symcalc.rb

Overview

Implements the exp operation in SymCalc

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Equation

#*, #**, #+, #-, #/, #coerce, #derivative, #eval, #inspect, #simplify, #sub, #to_s

Constructor Details

#initialize(power) ⇒ Exp

Returns a new instance of Exp.



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# File 'lib/symcalc.rb', line 588

def initialize power
	@power = to_equation(power)
end

Instance Attribute Details

#power ⇒ Object

Returns the value of attribute power.



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# File 'lib/symcalc.rb', line 586

def power
  @power
end

Instance Method Details

#==(eq) ⇒ Object 



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# File 'lib/symcalc.rb', line 604

def == eq
	if eq.is_a? Exp
		return eq.power == @power
	else
		return false
	end
end

#__derivative__(variable: nil) ⇒ Object 



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# File 'lib/symcalc.rb', line 600

def __derivative__ variable: nil
	return Exp.new(@power) * @power.derivative(variable: variable)
end

#__eval__(var_hash) ⇒ Object 



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# File 'lib/symcalc.rb', line 596

def __eval__ var_hash
	return Math::E ** (@power.eval(var_hash))
end

#__get_m_elements__(var_hash) ⇒ Object 



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# File 'lib/symcalc.rb', line 622

def __get_m_elements__ var_hash
	if var_hash.keys.include? "exp"
		var_hash["exp"] += @power
	else
		var_hash["exp"] = @power
	end
	return var_hash
end

#__simplify__ ⇒ Object 



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# File 'lib/symcalc.rb', line 612

def __simplify__
	if @power.is_a? Ln
		return @power.eq
	elsif @power.is_a?(Log) && @power.base == BasicVars::E
		return @power.eq
	else
		return self
	end
end

#__sub__(original, replacement) ⇒ Object 



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# File 'lib/symcalc.rb', line 635

def __sub__ original, replacement
	return to_equation(replacement) if self == to_equation(original)
	return Exp.new(@power.__sub__(original, replacement))
end

#all_variables ⇒ Object 



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# File 'lib/symcalc.rb', line 631

def all_variables
	return @power.all_variables
end

#display ⇒ Object 



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# File 'lib/symcalc.rb', line 592

def display
	return "exp(#{@power.display})"
end