def __init__(self, coefficients, x0):
self.coefficients = coefficients
self.x0 = x0
self.assembly = None
self.assembly = PAssembly(coefficients, x0)
self.coefficients_degrees = self.assembly.assembly()
del self.assembly
self.px = []
print("classe coeficiente_alfa[%d] = " % (self.coefficients.__len__())),
print self.coefficients
class ClassPx:
def __init__(self, coefficients, x0):
self.coefficients = coefficients
self.x0 = x0
self.assembly = None
self.assembly = PAssembly(coefficients, x0)
self.coefficients_degrees = self.assembly.assembly()
del self.assembly
self.px = []
print("classe coeficiente_alfa[%d] = " % (self.coefficients.__len__())),
print self.coefficients
def px_general(self, x):
"""
:param x:
:return:
"""
object_px = 0.0
object_x0 = 1.0
for i in range(self.coefficients.__len__()):
object_coefficient = self.coefficients[i]
for y in range(i):
if not object_x0:
continue
elif not self.x0[y]:
object_x0 *= x
"""elif self.x0[y] < 0:
object_x0 *= (x - self.x0[y])
else:
object_x0 *= (x - self.x0[y])
"""
object_x0 *= (x - self.x0[y])
else:
object_px += object_coefficient * object_x0
object_x0 = 1
return object_px
def px_simplified(self, x):
"""
:param x:
:return:
"""
px = 0
degree = self.coefficients_degrees.__len__() - 1
for objects in self.coefficients_degrees[::-1]:
px += objects * pow(x, degree)
degree -= 1
else:
return px
def pxgprint(self):
"""
Imprime Px de forma extensa
"""
print("Função normal P(x) ~ %f" % (self.coefficients[0])),
for i in range(1, self.coefficients.__len__()):
if self.coefficients[i]:
if self.coefficients[i] < 0:
print("- %.6f" % -self.coefficients[i]),
else:
print("+ %.6f" % self.coefficients[i]),
for j in range(i):
if not self.x0[j]:
print("*x"),
elif self.x0[j] < 0:
print("*(x + %.1f)" % -self.x0[j]),
else:
print("*(x - %.1f)" % self.x0[j]),
else:
print
def pxsprint(self):
"""
Imprime Px de forma simplificada. TODO: Ainda não inteiramente funcional já que Px_assembly contém problemas
"""
print("Função simplificada P(x) = "),
x = self.coefficients_degrees.__len__() - 1
for objects in self.coefficients_degrees[::-1]:
if objects:
print("%c %f*x**%d" % ('+' if objects > 0 else ' ', objects, x)),
x -= 1
else:
print
