Beispiel #1
0
def roc_hint(matrix_string, i,  matrix):
    error_string = "There must have been a mistake. Try again.\n"
    pc.print_matrix(matrix_string, i, "", matrix)
    while True:
        try:
            roc = eval(raw_input("Please enter " + str(matrix_string) + str(i) + "_roc or \"auto\":\n"))
            if roc==auto:
                roc = al.right_ortho_complement(matrix)
            try:
                if al.is_zero_matrix(matrix*roc):
                    pc.print_matrix(matrix_string, i, "_roc", roc)
                    return roc
                else:
                    print error_string
            except:
                print error_string
        except Exception as exc:
            print exc
            print error_string
Beispiel #2
0
def roc_hint(matrix_string, i, matrix):
    error_string = "There must have been a mistake. Try again.\n"
    pc.print_matrix(matrix_string, i, "", matrix)
    while True:
        try:
            roc = eval(
                input("Please enter " + str(matrix_string) + str(i) +
                      "_roc or \"auto\":\n"))
            if roc == auto:
                roc = al.right_ortho_complement(matrix)
            try:
                if al.is_zero_matrix(matrix * roc):
                    pc.print_matrix(matrix_string, i, "_roc", roc)
                    return roc
                else:
                    print(error_string)
            except:
                print(error_string)
        except Exception as exc:
            print(exc)
            print(error_string)
Beispiel #3
0
def main():
    P1i, P0i = tangent_system()

    global mode
    mode = raw_input("Enter \"manual\" for manual mode or hit enter:\n")
    #####################################################################

    i = 0

    while 1:
        # new iteration_stack
        myIteration = mc.IterationStack(i, P1i, P0i)

        assert al.has_full_row_rank(P1i), "P10 does not have full row rank. There \
                                        must be algebraic equations."

        Bi = reduction(myIteration)

        assert not al.is_zero_matrix(Bi), "System ist not flat!"

        if is_special_case(Bi):
            # special case
           Bi = fourseven(myIteration)

        if end_condition(Bi):
            # flag
            myIteration.last_iter_step = True

            # add to system stack + print
            myStack.add_iteration(myIteration)
            break

        P1i, P0i = elimination(myIteration)

        if mode=="manual": pc.print_line()

        # add to system stack + print iteration
        myStack.add_iteration(myIteration)

        i += 1

    # create transformation and calculate H and G(d/dt)
    myStack.transformation = tr.Transformation(myStack)


    # store results of the algorithm in pickled data container
    data = st.Container()
    data.F_eq = nct.make_all_symbols_noncommutative(example.F_eq, "")[0]
    data.vec_x = nct.make_all_symbols_noncommutative(example.vec_x, "")[0]
    data.vec_xdot = nct.make_all_symbols_noncommutative(example.vec_xdot, "")[0]

    if hasattr(example, 'diff_symbols'):
        data.diff_symbols = nct.make_all_symbols_noncommutative(example.diff_symbols, "")[0]
    
    if hasattr(example, 'user_data'):
        data.user_data = example.user_data

    # add data to be stored here:
    # make symbols in P10 and P00 noncommutative
    P1 = nct.make_all_symbols_noncommutative(myStack.transformation.P10, "")[0]
    P0 = nct.make_all_symbols_noncommutative(myStack.transformation.P00, "")[0]
    s  = sp.Symbol('s', commutative=False)
    data.P = P1*s+P0
    data.P1 = P1
    data.P0 = P0
    data.H = nct.make_all_symbols_noncommutative(myStack.transformation.H, "")[0]

    fname = path.replace(".py",".pcl")
    st.pickle_full_dump(data, fname)

    # for testing
    try:
        import pycartan as ct
        global w
        myIntegrabilityCheck = ic.IntegrabilityCheck(myStack)
        w = myStack.transformation.w
    except Exception as exc:
        print exc

    print "Data saved to ", fname, "\n"
    pc.print_line()
Beispiel #4
0
def main():
    P1i, P0i = tangent_system()

    global mode

    # raw_input was removed in python3
    if sys.version_info[0] == 2:
        mode = raw_input("Enter \"manual\" for manual mode or hit enter:\n")
    elif sys.version_info[0] == 3:
        mode = input("Enter \"manual\" for manual mode or hit enter:\n")
    #####################################################################

    i = 0

    while 1:
        # new iteration_stack
        myIteration = mc.IterationStack(i, P1i, P0i)

        assert al.has_full_row_rank(
            P1i), "P10 does not have full row rank. There \
                                        must be algebraic equations."

        Bi = reduction(myIteration)

        assert not al.is_zero_matrix(Bi), "System ist not flat!"

        if is_special_case(Bi):
            # special case
            Bi = fourseven(myIteration)

        if end_condition(Bi):
            # flag
            myIteration.last_iter_step = True

            # add to system stack + print
            myStack.add_iteration(myIteration)
            break

        P1i, P0i = elimination(myIteration)

        if mode == "manual": pc.print_line()

        # add to system stack + print iteration
        myStack.add_iteration(myIteration)

        i += 1

    # create transformation and calculate H and G(d/dt)
    myStack.transformation = tr.Transformation(myStack)

    # store results of the algorithm in pickled data container
    data = st.Container()
    data.F_eq = nct.make_all_symbols_noncommutative(example.F_eq, "")[0]
    data.vec_x = nct.make_all_symbols_noncommutative(example.vec_x, "")[0]
    data.vec_xdot = nct.make_all_symbols_noncommutative(example.vec_xdot,
                                                        "")[0]

    if hasattr(example, 'diff_symbols'):
        data.diff_symbols = nct.make_all_symbols_noncommutative(
            example.diff_symbols, "")[0]

    if hasattr(example, 'user_data'):
        data.user_data = example.user_data

    # add data to be stored here:
    # make symbols in P10 and P00 noncommutative
    P1 = nct.make_all_symbols_noncommutative(myStack.transformation.P10, "")[0]
    P0 = nct.make_all_symbols_noncommutative(myStack.transformation.P00, "")[0]
    s = sp.Symbol('s', commutative=False)
    data.P = P1 * s + P0
    data.P1 = P1
    data.P0 = P0
    data.H = nct.make_all_symbols_noncommutative(myStack.transformation.H,
                                                 "")[0]

    fname = path.replace(".py", ".pcl")
    st.pickle_full_dump(data, fname)

    # for testing
    try:
        import pycartan as ct
        import core.integrability as ic
        global w
        myIntegrabilityCheck = ic.IntegrabilityCheck(myStack)
        w = myStack.transformation.w
    except Exception as exc:
        print(exc)

    print("Data saved to ", fname, "\n")
    pc.print_line()