def getNode(self):
node = notation.Number()
if ( self.func[0:2] == "n(" ):
node = notation.N()
elif ( self.func[0:2] == "r(" ):
node = notation.R()
elif ( self.func[0:2] == "+(" ):
node = notation.Add()
elif ( self.func[0:2] == "*(" ):
node = notation.Mul()
elif ( self.func[0:2] == "-(" ):
node = notation.Sub()
elif ( self.func[0:2] == "/(" ):
node = notation.Div()
elif ( self.func[0:2] == "^(" ):
node = notation.Pow()
elif ( self.func[0:2] == "s(" ):
node = notation.S()
elif ( self.func[0:2] == "c(" ):
node = notation.C()
elif ( self.func[0:2] == "e(" ):
node = notation.E()
elif ( self.func[0:2] == "l(" ):
node = notation.Ln()
elif ( self.func[0:2] == "!(" ):
node = notation.Fac()
elif ( self.func[0:1] == "p" ):
node = notation.P()
elif ( self.func[0:1] == 'x' ):
node = notation.X()
elif( self.func[0] == ',' or self.func[0] == ')'):
node = None
return node
def getNode(self):
node = notation.Number()
# print(':'+self.func+':')
if (self.func[0:2] == "n("):
node = notation.N()
elif (self.func[0:2] == "r("):
node = notation.R()
elif (self.func[0:2] == "+("):
node = notation.Add()
elif (self.func[0:2] == "*("):
node = notation.Mul()
elif (self.func[0:2] == "-("):
node = notation.Sub()
elif (self.func[0:2] == "/("):
node = notation.Div()
elif (self.func[0:2] == "^("):
node = notation.Pow()
elif (self.func[0:2] == "s("):
node = notation.S()
elif (self.func[0:2] == "c("):
node = notation.C()
elif (self.func[0:2] == "e("):
node = notation.E()
elif (self.func[0:2] == "l("):
node = notation.Ln()
elif (self.func[0:2] == "!("):
node = notation.Fac()
elif (self.func[0] == 'p'):
node = notation.P()
elif (self.func[0] == 'x'):
node = notation.X()
return node
def getMcLaurinVector(self, x, depth=1, method="Newton"):
depth += 1
if (method == "Newton"):
vector = []
try:
vector.append(eval(self.parse.function))
except Exception as ex:
messagebox.showerror(
"Error!",
"Invalid function. Please check your input again!")
print(ex)
return []
for i in range(1, depth):
try:
vector.append(
self.parse.getDifferenceQuotion(x, depth=i) /
numpy.math.factorial(i))
except Exception as ex:
messagebox.showerror(
"Error!",
"Invalid derivative at depth {}. Please try other function!"
.format({i}))
print(ex)
return []
return vector
elif (method == "Analytically"):
vector = []
derivative = self.parse.root
try:
vector.append(eval(derivative.toFunction()))
except Exception as ex:
messagebox.showerror(
"Error!",
"Invalid function. Please check your input again!")
print(ex)
return []
for i in range(1, depth):
derivative = derivative.getDerivative()
derivative = derivative.simplify(
) if derivative != None else notation.Number(data="0")
try:
vector.append(
eval(derivative.toFunction()) /
numpy.math.factorial(i))
except Exception as ex:
messagebox.showerror(
"Error!",
"Invalid derivative at depth {}. Please try other function!"
.format({i}))
print(ex)
return []
return vector
return []
def getNode(self):
node = notation.Number()
# print(':'+self.func+':')
if (self.func[0:2] == "n("):
node = notation.N()
elif (self.func[0:2] == "r("):
node = notation.R()
elif (self.func[0:2] == "+("):
node = notation.Add()
elif (self.func[0:2] == "*("):
node = notation.Mul()
elif (self.func[0:2] == "-("):
node = notation.Sub()
elif (self.func[0:2] == "/("):
node = notation.Div()
elif (self.func[0:2] == "^("):
node = notation.Pow()
elif (self.func[0:2] == "s("):
node = notation.S()
elif (self.func[0:2] == "c("):
node = notation.C()
elif (self.func[0:2] == "e("):
node = notation.E()
elif (self.func[0:2] == "l("):
node = notation.Ln()
elif (self.func[0:2] == "!("):
node = notation.Fac()
elif (self.func[0:2] == "p("):
node = notation.P()
elif (self.func[0] == 'x'):
node = notation.X()
elif (self.func[0] == 'h'):
node = notation.H()
return node
# p = Parse("^(x,2)")
# print(p.derivative.toString())
# print(p.differenceQuotion.toString())
# # newroot.toString()