Python numpy.fv() Examples

The following are 30 code examples for showing how to use numpy.fv(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: recruit   Author: Frank-qlu   File: test_financial.py    License: Apache License 2.0 5 votes vote down vote up
def test_fv(self):
        assert_equal(np.fv(0.075, 20, -2000, 0, 0), 86609.362673042924) 
Example 2
Project: recruit   Author: Frank-qlu   File: test_financial.py    License: Apache License 2.0 5 votes vote down vote up
def test_fv_decimal(self):
        assert_equal(np.fv(Decimal('0.075'), Decimal('20'), Decimal('-2000'), 0, 0),
                     Decimal('86609.36267304300040536731624')) 
Example 3
Project: recruit   Author: Frank-qlu   File: financial.py    License: Apache License 2.0 5 votes vote down vote up
def _pmt_dispatcher(rate, nper, pv, fv=None, when=None):
    return (rate, nper, pv, fv) 
Example 4
Project: recruit   Author: Frank-qlu   File: financial.py    License: Apache License 2.0 5 votes vote down vote up
def _nper_dispatcher(rate, pmt, pv, fv=None, when=None):
    return (rate, pmt, pv, fv) 
Example 5
Project: recruit   Author: Frank-qlu   File: financial.py    License: Apache License 2.0 5 votes vote down vote up
def _ipmt_dispatcher(rate, per, nper, pv, fv=None, when=None):
    return (rate, per, nper, pv, fv) 
Example 6
Project: recruit   Author: Frank-qlu   File: financial.py    License: Apache License 2.0 5 votes vote down vote up
def _ppmt_dispatcher(rate, per, nper, pv, fv=None, when=None):
    return (rate, per, nper, pv, fv) 
Example 7
Project: recruit   Author: Frank-qlu   File: financial.py    License: Apache License 2.0 5 votes vote down vote up
def ppmt(rate, per, nper, pv, fv=0, when='end'):
    """
    Compute the payment against loan principal.

    Parameters
    ----------
    rate : array_like
        Rate of interest (per period)
    per : array_like, int
        Amount paid against the loan changes.  The `per` is the period of
        interest.
    nper : array_like
        Number of compounding periods
    pv : array_like
        Present value
    fv : array_like, optional
        Future value
    when : {{'begin', 1}, {'end', 0}}, {string, int}
        When payments are due ('begin' (1) or 'end' (0))

    See Also
    --------
    pmt, pv, ipmt

    """
    total = pmt(rate, nper, pv, fv, when)
    return total - ipmt(rate, per, nper, pv, fv, when) 
Example 8
Project: recruit   Author: Frank-qlu   File: financial.py    License: Apache License 2.0 5 votes vote down vote up
def _pv_dispatcher(rate, nper, pmt, fv=None, when=None):
    return (rate, nper, nper, pv, fv) 
Example 9
Project: recruit   Author: Frank-qlu   File: financial.py    License: Apache License 2.0 5 votes vote down vote up
def _rate_dispatcher(nper, pmt, pv, fv, when=None, guess=None, tol=None,
                     maxiter=None):
    return (nper, pmt, pv, fv)


# Use Newton's iteration until the change is less than 1e-6
#  for all values or a maximum of 100 iterations is reached.
#  Newton's rule is
#  r_{n+1} = r_{n} - g(r_n)/g'(r_n)
#     where
#  g(r) is the formula
#  g'(r) is the derivative with respect to r. 
Example 10
Project: lambda-packs   Author: ryfeus   File: financial.py    License: MIT License 5 votes vote down vote up
def _rbl(rate, per, pmt, pv, when):
    """
    This function is here to simply have a different name for the 'fv'
    function to not interfere with the 'fv' keyword argument within the 'ipmt'
    function.  It is the 'remaining balance on loan' which might be useful as
    it's own function, but is easily calculated with the 'fv' function.
    """
    return fv(rate, (per - 1), pmt, pv, when) 
Example 11
Project: lambda-packs   Author: ryfeus   File: financial.py    License: MIT License 5 votes vote down vote up
def ppmt(rate, per, nper, pv, fv=0, when='end'):
    """
    Compute the payment against loan principal.

    Parameters
    ----------
    rate : array_like
        Rate of interest (per period)
    per : array_like, int
        Amount paid against the loan changes.  The `per` is the period of
        interest.
    nper : array_like
        Number of compounding periods
    pv : array_like
        Present value
    fv : array_like, optional
        Future value
    when : {{'begin', 1}, {'end', 0}}, {string, int}
        When payments are due ('begin' (1) or 'end' (0))

    See Also
    --------
    pmt, pv, ipmt

    """
    total = pmt(rate, nper, pv, fv, when)
    return total - ipmt(rate, per, nper, pv, fv, when) 
Example 12
Project: lambda-packs   Author: ryfeus   File: test_financial.py    License: MIT License 5 votes vote down vote up
def test_fv(self):
        assert_almost_equal(np.fv(0.075, 20, -2000, 0, 0), 86609.36, 2) 
Example 13
Project: lambda-packs   Author: ryfeus   File: financial.py    License: MIT License 5 votes vote down vote up
def _rbl(rate, per, pmt, pv, when):
    """
    This function is here to simply have a different name for the 'fv'
    function to not interfere with the 'fv' keyword argument within the 'ipmt'
    function.  It is the 'remaining balance on loan' which might be useful as
    it's own function, but is easily calculated with the 'fv' function.
    """
    return fv(rate, (per - 1), pmt, pv, when) 
Example 14
Project: lambda-packs   Author: ryfeus   File: financial.py    License: MIT License 5 votes vote down vote up
def ppmt(rate, per, nper, pv, fv=0.0, when='end'):
    """
    Compute the payment against loan principal.

    Parameters
    ----------
    rate : array_like
        Rate of interest (per period)
    per : array_like, int
        Amount paid against the loan changes.  The `per` is the period of
        interest.
    nper : array_like
        Number of compounding periods
    pv : array_like
        Present value
    fv : array_like, optional
        Future value
    when : {{'begin', 1}, {'end', 0}}, {string, int}
        When payments are due ('begin' (1) or 'end' (0))

    See Also
    --------
    pmt, pv, ipmt

    """
    total = pmt(rate, nper, pv, fv, when)
    return total - ipmt(rate, per, nper, pv, fv, when) 
Example 15
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: test_financial.py    License: MIT License 5 votes vote down vote up
def test_fv(self):
        assert_almost_equal(np.fv(0.075, 20, -2000, 0, 0), 86609.36, 2) 
Example 16
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: financial.py    License: MIT License 5 votes vote down vote up
def _rbl(rate, per, pmt, pv, when):
    """
    This function is here to simply have a different name for the 'fv'
    function to not interfere with the 'fv' keyword argument within the 'ipmt'
    function.  It is the 'remaining balance on loan' which might be useful as
    it's own function, but is easily calculated with the 'fv' function.
    """
    return fv(rate, (per - 1), pmt, pv, when) 
Example 17
Project: auto-alt-text-lambda-api   Author: abhisuri97   File: financial.py    License: MIT License 5 votes vote down vote up
def ppmt(rate, per, nper, pv, fv=0.0, when='end'):
    """
    Compute the payment against loan principal.

    Parameters
    ----------
    rate : array_like
        Rate of interest (per period)
    per : array_like, int
        Amount paid against the loan changes.  The `per` is the period of
        interest.
    nper : array_like
        Number of compounding periods
    pv : array_like
        Present value
    fv : array_like, optional
        Future value
    when : {{'begin', 1}, {'end', 0}}, {string, int}
        When payments are due ('begin' (1) or 'end' (0))

    See Also
    --------
    pmt, pv, ipmt

    """
    total = pmt(rate, nper, pv, fv, when)
    return total - ipmt(rate, per, nper, pv, fv, when) 
Example 18
Project: vnpy_crypto   Author: birforce   File: test_financial.py    License: MIT License 5 votes vote down vote up
def test_fv(self):
        assert_equal(np.fv(0.075, 20, -2000, 0, 0), 86609.362673042924) 
Example 19
Project: vnpy_crypto   Author: birforce   File: test_financial.py    License: MIT License 5 votes vote down vote up
def test_fv_decimal(self):
        assert_equal(np.fv(Decimal('0.075'), Decimal('20'), Decimal('-2000'), 0, 0),
                     Decimal('86609.36267304300040536731624')) 
Example 20
Project: vnpy_crypto   Author: birforce   File: financial.py    License: MIT License 5 votes vote down vote up
def _rbl(rate, per, pmt, pv, when):
    """
    This function is here to simply have a different name for the 'fv'
    function to not interfere with the 'fv' keyword argument within the 'ipmt'
    function.  It is the 'remaining balance on loan' which might be useful as
    it's own function, but is easily calculated with the 'fv' function.
    """
    return fv(rate, (per - 1), pmt, pv, when) 
Example 21
Project: vnpy_crypto   Author: birforce   File: financial.py    License: MIT License 5 votes vote down vote up
def ppmt(rate, per, nper, pv, fv=0, when='end'):
    """
    Compute the payment against loan principal.

    Parameters
    ----------
    rate : array_like
        Rate of interest (per period)
    per : array_like, int
        Amount paid against the loan changes.  The `per` is the period of
        interest.
    nper : array_like
        Number of compounding periods
    pv : array_like
        Present value
    fv : array_like, optional
        Future value
    when : {{'begin', 1}, {'end', 0}}, {string, int}
        When payments are due ('begin' (1) or 'end' (0))

    See Also
    --------
    pmt, pv, ipmt

    """
    total = pmt(rate, nper, pv, fv, when)
    return total - ipmt(rate, per, nper, pv, fv, when) 
Example 22
Project: Computable   Author: ktraunmueller   File: test_financial.py    License: MIT License 5 votes vote down vote up
def test_fv(self):
        assert_almost_equal(np.fv(0.075, 20, -2000, 0, 0),
                            86609.36, 2) 
Example 23
Project: Computable   Author: ktraunmueller   File: financial.py    License: MIT License 5 votes vote down vote up
def _rbl(rate, per, pmt, pv, when):
    """
    This function is here to simply have a different name for the 'fv'
    function to not interfere with the 'fv' keyword argument within the 'ipmt'
    function.  It is the 'remaining balance on loan' which might be useful as
    it's own function, but is easily calculated with the 'fv' function.
    """
    return fv(rate, (per - 1), pmt, pv, when) 
Example 24
Project: Computable   Author: ktraunmueller   File: financial.py    License: MIT License 5 votes vote down vote up
def ppmt(rate, per, nper, pv, fv=0.0, when='end'):
    """
    Compute the payment against loan principal.

    Parameters
    ----------
    rate : array_like
        Rate of interest (per period)
    per : array_like, int
        Amount paid against the loan changes.  The `per` is the period of
        interest.
    nper : array_like
        Number of compounding periods
    pv : array_like
        Present value
    fv : array_like, optional
        Future value
    when : {{'begin', 1}, {'end', 0}}, {string, int}
        When payments are due ('begin' (1) or 'end' (0))

    See Also
    --------
    pmt, pv, ipmt

    """
    total = pmt(rate, nper, pv, fv, when)
    return total - ipmt(rate, per, nper, pv, fv, when) 
Example 25
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: test_financial.py    License: MIT License 5 votes vote down vote up
def test_fv(self):
        assert_equal(np.fv(0.075, 20, -2000, 0, 0), 86609.362673042924) 
Example 26
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: test_financial.py    License: MIT License 5 votes vote down vote up
def test_fv_decimal(self):
        assert_equal(np.fv(Decimal('0.075'), Decimal('20'), Decimal('-2000'), 0, 0),
                     Decimal('86609.36267304300040536731624')) 
Example 27
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: financial.py    License: MIT License 5 votes vote down vote up
def _pmt_dispatcher(rate, nper, pv, fv=None, when=None):
    return (rate, nper, pv, fv) 
Example 28
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: financial.py    License: MIT License 5 votes vote down vote up
def _nper_dispatcher(rate, pmt, pv, fv=None, when=None):
    return (rate, pmt, pv, fv) 
Example 29
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: financial.py    License: MIT License 5 votes vote down vote up
def _ipmt_dispatcher(rate, per, nper, pv, fv=None, when=None):
    return (rate, per, nper, pv, fv) 
Example 30
Project: Mastering-Elasticsearch-7.0   Author: PacktPublishing   File: financial.py    License: MIT License 5 votes vote down vote up
def _ppmt_dispatcher(rate, per, nper, pv, fv=None, when=None):
    return (rate, per, nper, pv, fv)