def poly_div():
"""Calcula a divisao de dois polinomios."""
poly_1 = request.form['name']
poly_2 = request.form['email']
poly_array_1 = string_to_poly_array(poly_1)
poly_array_2 = string_to_poly_array(poly_2)
poly_result = [0] * ((len(poly_array_1)-1) - (len(poly_array_2)-1) + 1)
poly_actual = poly_array_1
while len(poly_actual) >= len(poly_array_2):
if len(poly_actual) == 1 and poly_actual[0] == 0:
break
aux = [0] * ((len(poly_array_1)-1) - (len(poly_array_2)-1) + 1)
dividendo = poly_actual[-1]
divisor = poly_array_2[-1]
aux[(len(poly_actual) - 1) - (len(poly_array_2) - 1)] = dividendo // divisor
poly_result[(len(poly_actual) - 1) - (len(poly_array_2) - 1)] = dividendo // divisor
poly_actual2 = poly_mult_aux(aux, poly_array_2)
poly_actual = poly_sub_aux(poly_actual, poly_actual2)
if len(poly_actual) == 0:
break
else:
while poly_actual[-1] == 0 and len(poly_actual) > 1:
poly_actual.pop()
return jsonify({'name' : poly_array_to_string(poly_result)})
def poly_mult():
"""Calcula a multiplicacao de dois polinomios."""
poly_1 = request.form['name']
poly_2 = request.form['email']
poly_array_1 = string_to_poly_array(poly_1)
poly_array_2 = string_to_poly_array(poly_2)
poly_result = [0] * ((len(poly_array_1)-1) + (len(poly_array_2)-1) + 1)
for i in range(0, len(poly_array_1)):
for j in range(0, len(poly_array_2)):
poly_result[i+j] += poly_array_1[i] * poly_array_2[j]
return jsonify({'name' : poly_array_to_string(poly_result)})
def poly_sub():
"""Calcula a subtracao de dois polinomios."""
poly_1 = request.form['name']
poly_2 = request.form['email']
poly_array_1 = string_to_poly_array(poly_1)
poly_array_2 = string_to_poly_array(poly_2)
if(len(poly_array_1) > len(poly_array_2)):
poly_result = [0] * len(poly_array_1)
while(len(poly_array_2) < len(poly_array_1)):
poly_array_2.append(0)
else :
poly_result = [0] * len(poly_array_2)
while(len(poly_array_1) < len(poly_array_2)):
poly_array_1.append(0)
for i in range(0, len(poly_result)):
poly_result[i] = poly_array_1[i] - poly_array_2[i]
return jsonify({'name' : poly_array_to_string(poly_result)})
def create_plot_with_roots(feature, pipeline):
roots = pipeline[5]
x0_list = pipeline[4]
derivate_array = pipeline[3]
alpha = pipeline[2]
descartes_matrix = pipeline[1]
complex_bool = pipeline[0]
points = []
for i in range(0, len(roots)):
points.append((round(roots[i]), poly_evaluate(feature, round(roots[i]))))
print(points)
x = [x[0] for x in points]
y = [x[1] for x in points]
p1 = feature
valores = [i for i in range(-100,100)]
p1_valuete = poly_evaluate_list(p1, valores)
fig = go.Figure(
data=[
go.Scatter(
x= valores,
y= p1_valuete,
mode='lines',
line=dict(color='#673ab7'),
name='Polinomio'
),
go.Scatter(
x=x,
y=y,
mode='markers',
name='Raizes',
marker=dict(
size=12,
color='#673ab7'
)
)
],
layout=go.Layout(
plot_bgcolor='rgba(0,0,0,0)',
xaxis=dict(
autorange=True,
showgrid=True,
zeroline=True,
showline=False,
ticks='',
showticklabels=True,
zerolinewidth=1,
zerolinecolor='#333',
gridcolor='#d3d3d3',
gridwidth=1
),
yaxis=dict(
autorange=True,
showgrid=True,
zeroline=True,
showline=True,
ticks='',
showticklabels=True,
zerolinewidth=1,
zerolinecolor='#333',
gridcolor='#d3d3d3',
gridwidth=1
),
annotations=[
go.layout.Annotation(
text="Teste de raizes complexas: "+str(complex_bool)+"<br>"+"Descartes: "+str(descartes_matrix)+"<br>"+"Fujiwara: "+str(alpha)+"<br>"+"Derivada: "+poly_array_to_string(derivate_array)+"<br>"+"Separação das Raízes: "+str(x0_list)+"<br>",
align='left',
showarrow=False,
xref='paper',
yref='paper',
x=0.0,
y=1.4
#bordercolor='#673ab7',
#borderwidth=1
)
]
)
)
graphJSON = json.dumps(fig, cls=plotly.utils.PlotlyJSONEncoder)
return graphJSON