def mx_determinant(self):
print("\n Operace výpočet determinantu:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(det(A))~")
self.__current_operation = MatrixDeterminant(mx)
self.operation_result = self.__current_operation.calculate_determinant(
)
print(self.operation_result)
def mx_add(self):
#1)
print("\nOperace sčítání:")
#2)
print("\nZadání 1. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx1 = self.__read_mx_data(self)
self.dims_check = lambda sec_mx_dims: Helpers.invalid_dims_addition(
sec_mx_dims, mx1)
print("\nZadání 2. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx2 = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx1)
print("(+)")
MatrixConsolePrinter.print_default(mx2)
print(" - " * (mx2.m * 2))
self.__current_operation = MatrixAddition(mx1, mx2)
self.operation_result = self.__current_operation.calculate_sum()
MatrixConsolePrinter.print_default(self.operation_result)
def mx_multiply(self):
print("\nOperace: Maticové Násobení:")
print("\nZadání 1. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx1 = self.__read_mx_data(self)
self.dims_check = lambda sec_mx_dims: Helpers.invalid_dims_multiplication(
sec_mx_dims, mx1)
print("\nZadání 2. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx2 = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx1)
print("~(*)~")
MatrixConsolePrinter.print_default(mx2)
print(" - " * (mx2.m * 2))
self.__current_operation = MatrixMultiplication(mx1, mx2)
self.operation_result = self.__current_operation.calculate_multiplication(
)
MatrixConsolePrinter.print_default(self.operation_result)
def mx_rank(self):
print("\n Operace: hodnost matice:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(rank(A))~")
self.__current_operation = MatrixREF(mx)
mx_res = self.__current_operation.calculate_ref()
self.operation_result = self.__current_operation.rank
print(self.operation_result)
def mx_rref(self):
print("\nOperace: RREF:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(RREF)~")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixRREF(mx)
self.operation_result = self.__current_operation.calculate_rref()
MatrixConsolePrinter.print_default(self.operation_result)
def mx_transpose(self):
print("\nOperace: Transpozice:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(A^(T))~")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixTransposition(mx)
self.operation_result = self.__current_operation.calculate_transpose()
MatrixConsolePrinter.print_default(self.operation_result)
def mx_inverse(self):
print("\nOperace: určení inverzní matice:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(A^(-1))~")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixInversion(mx)
self.operation_result = self.__current_operation.calculate_inversion_of_matrix(
)
if self.__current_operation.inversion_state:
MatrixConsolePrinter.print_default(self.operation_result)
def mx_scalar_multiply(self):
print("\nOperace násobení skalárem:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
print("Zadejte skalár:")
scalar = self.input_reader.read_scalar()
MatrixConsolePrinter.print_default(mx)
print("*(", scalar, ")", sep="")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixScalarMultiplication(mx, scalar)
self.operation_result = self.__current_operation.calculate_scalar_multiplication(
)
MatrixConsolePrinter.print_default(self.operation_result)
class OperationExecution:
"""Stará se o průběh a exekuci operací kalkulačky."""
def __init__(self, mx_operation_method, load_data_method):
self.__read_mx_data = load_data_method
self.__operation = mx_operation_method
# Pointer na metodu zprostředkující danou operaci
self.input_reader = InputReader()
self.output_writer = OutputWriter()
self.__current_operation = None # Reference objektu momentální operace z modulu operations
self.operation_result = None
# Funkce sloužící ke kontrole rozměrů matice při zadávání hodnot uživatelem
self.dims_check = lambda x: True
def execute(self):
self.__operation(self)
def write_result_to_file(self, file_name):
if (file_name == ""): raise Exception("Název souboru je prázdný!")
if (self.operation_result is None):
raise Exception("Výsledek operace je neplatný!")
self.output_writer.store_output(self.operation_result, file_name)
def __get_mx_dims_console(self):
print(
"Zadejte rozměry matice celými čísly, ve tvaru: mxn \n(tedy např. 2x2):"
)
return self.input_reader.read_matrix_dimensions(self.dims_check)
def load_data_from_file(self):
print(
"Zadejte název cílového souboru ve formátu .txt (stačí bez přípony):"
)
data_file_name = input()
mx_data = self.input_reader.read_matrix_data_from_file(data_file_name)
if mx_data:
mx = Matrix(len(mx_data), len(mx_data[0]), mx_data)
dims = (mx.m, mx.n)
if self.dims_check(dims):
return mx
else:
print(
"Rozměry matice jsou neplatné, zkuste prosím jiný soubor:")
return self.load_data_from_file()
def load_data_from_console(self):
dims = self.__get_mx_dims_console()
mx = Matrix(dims[0], dims[1])
print("\nZadejte hodnoty matice po řádcích oddělné mezerou:")
self.input_reader.read_matrix_user_input(mx)
return mx
def mx_add(self):
#1)
print("\nOperace sčítání:")
#2)
print("\nZadání 1. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx1 = self.__read_mx_data(self)
self.dims_check = lambda sec_mx_dims: Helpers.invalid_dims_addition(
sec_mx_dims, mx1)
print("\nZadání 2. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx2 = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx1)
print("(+)")
MatrixConsolePrinter.print_default(mx2)
print(" - " * (mx2.m * 2))
self.__current_operation = MatrixAddition(mx1, mx2)
self.operation_result = self.__current_operation.calculate_sum()
MatrixConsolePrinter.print_default(self.operation_result)
def mx_sub(self):
print("\nOperace očítání:")
print("\nZadání 1. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx1 = self.__read_mx_data(self)
self.dims_check = lambda sec_mx_dims: Helpers.invalid_dims_addition(
sec_mx_dims, mx1)
print("\nZadání 2. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx2 = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx1)
print("(-)")
MatrixConsolePrinter.print_default(mx2)
print(" - " * (mx2.m * 2))
self.__current_operation = MatrixAddition(mx1, mx2)
self.operation_result = self.__current_operation.calculate_sum(
substract=True)
MatrixConsolePrinter.print_default(self.operation_result)
def mx_scalar_multiply(self):
print("\nOperace násobení skalárem:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
print("Zadejte skalár:")
scalar = self.input_reader.read_scalar()
MatrixConsolePrinter.print_default(mx)
print("*(", scalar, ")", sep="")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixScalarMultiplication(mx, scalar)
self.operation_result = self.__current_operation.calculate_scalar_multiplication(
)
MatrixConsolePrinter.print_default(self.operation_result)
def mx_multiply(self):
print("\nOperace: Maticové Násobení:")
print("\nZadání 1. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx1 = self.__read_mx_data(self)
self.dims_check = lambda sec_mx_dims: Helpers.invalid_dims_multiplication(
sec_mx_dims, mx1)
print("\nZadání 2. matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx2 = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx1)
print("~(*)~")
MatrixConsolePrinter.print_default(mx2)
print(" - " * (mx2.m * 2))
self.__current_operation = MatrixMultiplication(mx1, mx2)
self.operation_result = self.__current_operation.calculate_multiplication(
)
MatrixConsolePrinter.print_default(self.operation_result)
def mx_transpose(self):
print("\nOperace: Transpozice:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(A^(T))~")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixTransposition(mx)
self.operation_result = self.__current_operation.calculate_transpose()
MatrixConsolePrinter.print_default(self.operation_result)
def mx_ref(self):
print("\nOperace: REF:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(REF)~")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixREF(mx)
self.operation_result = self.__current_operation.calculate_ref()
MatrixConsolePrinter.print_default(self.operation_result)
def mx_rref(self):
print("\nOperace: RREF:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(RREF)~")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixRREF(mx)
self.operation_result = self.__current_operation.calculate_rref()
MatrixConsolePrinter.print_default(self.operation_result)
def mx_inverse(self):
print("\nOperace: určení inverzní matice:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(A^(-1))~")
print(" - " * (mx.m * 2))
self.__current_operation = MatrixInversion(mx)
self.operation_result = self.__current_operation.calculate_inversion_of_matrix(
)
if self.__current_operation.inversion_state:
MatrixConsolePrinter.print_default(self.operation_result)
def mx_rank(self):
print("\n Operace: hodnost matice:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(rank(A))~")
self.__current_operation = MatrixREF(mx)
mx_res = self.__current_operation.calculate_ref()
self.operation_result = self.__current_operation.rank
print(self.operation_result)
def mx_determinant(self):
print("\n Operace výpočet determinantu:")
print("\nZadání matice:")
print("¯ ¯ ¯ ¯ ¯ ¯ ¯ ¯")
mx = self.__read_mx_data(self)
MatrixConsolePrinter.print_default(mx)
print("~(det(A))~")
self.__current_operation = MatrixDeterminant(mx)
self.operation_result = self.__current_operation.calculate_determinant(
)
print(self.operation_result)
def __get_determinant(self):
determinant_operation = MatrixDeterminant()
return determinant_operation.get_determinant(
self.mx_ref_expanded, (self.mx.m, self.mx.n),
self.__mx_ref_operation.determinant_sign)