Python numpy.arccosh方法代碼示例

本文整理匯總了Python中numpy.arccosh方法的典型用法代碼示例。如果您正苦於以下問題：Python numpy.arccosh方法的具體用法？Python numpy.arccosh怎麽用？Python numpy.arccosh使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類numpy的用法示例。

在下文中一共展示了numpy.arccosh方法的12個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: test_branch_cuts

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_branch_cuts(self):
        # check branch cuts and continuity on them
        _check_branch_cut(np.log,   -0.5, 1j, 1, -1, True)
        _check_branch_cut(np.log2,  -0.5, 1j, 1, -1, True)
        _check_branch_cut(np.log10, -0.5, 1j, 1, -1, True)
        _check_branch_cut(np.log1p, -1.5, 1j, 1, -1, True)
        _check_branch_cut(np.sqrt,  -0.5, 1j, 1, -1, True)

        _check_branch_cut(np.arcsin, [ -2, 2],   [1j, 1j], 1, -1, True)
        _check_branch_cut(np.arccos, [ -2, 2],   [1j, 1j], 1, -1, True)
        _check_branch_cut(np.arctan, [0-2j, 2j],  [1,  1], -1, 1, True)

        _check_branch_cut(np.arcsinh, [0-2j,  2j], [1,   1], -1, 1, True)
        _check_branch_cut(np.arccosh, [ -1, 0.5], [1j,  1j], 1, -1, True)
        _check_branch_cut(np.arctanh, [ -2,   2], [1j, 1j], 1, -1, True)

        # check against bogus branch cuts: assert continuity between quadrants
        _check_branch_cut(np.arcsin, [0-2j, 2j], [ 1,  1], 1, 1)
        _check_branch_cut(np.arccos, [0-2j, 2j], [ 1,  1], 1, 1)
        _check_branch_cut(np.arctan, [ -2,  2], [1j, 1j], 1, 1)

        _check_branch_cut(np.arcsinh, [ -2,  2, 0], [1j, 1j, 1], 1, 1)
        _check_branch_cut(np.arccosh, [0-2j, 2j, 2], [1,  1,  1j], 1, 1)
        _check_branch_cut(np.arctanh, [0-2j, 2j, 0], [1,  1,  1j], 1, 1)

開發者ID:Frank-qlu，項目名稱:recruit，代碼行數:26，代碼來源:test_umath.py

示例2: test_branch_cuts_complex64

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_branch_cuts_complex64(self):
        # check branch cuts and continuity on them
        _check_branch_cut(np.log,   -0.5, 1j, 1, -1, True, np.complex64)
        _check_branch_cut(np.log2,  -0.5, 1j, 1, -1, True, np.complex64)
        _check_branch_cut(np.log10, -0.5, 1j, 1, -1, True, np.complex64)
        _check_branch_cut(np.log1p, -1.5, 1j, 1, -1, True, np.complex64)
        _check_branch_cut(np.sqrt,  -0.5, 1j, 1, -1, True, np.complex64)

        _check_branch_cut(np.arcsin, [ -2, 2],   [1j, 1j], 1, -1, True, np.complex64)
        _check_branch_cut(np.arccos, [ -2, 2],   [1j, 1j], 1, -1, True, np.complex64)
        _check_branch_cut(np.arctan, [0-2j, 2j],  [1,  1], -1, 1, True, np.complex64)

        _check_branch_cut(np.arcsinh, [0-2j,  2j], [1,   1], -1, 1, True, np.complex64)
        _check_branch_cut(np.arccosh, [ -1, 0.5], [1j,  1j], 1, -1, True, np.complex64)
        _check_branch_cut(np.arctanh, [ -2,   2], [1j, 1j], 1, -1, True, np.complex64)

        # check against bogus branch cuts: assert continuity between quadrants
        _check_branch_cut(np.arcsin, [0-2j, 2j], [ 1,  1], 1, 1, False, np.complex64)
        _check_branch_cut(np.arccos, [0-2j, 2j], [ 1,  1], 1, 1, False, np.complex64)
        _check_branch_cut(np.arctan, [ -2,  2], [1j, 1j], 1, 1, False, np.complex64)

        _check_branch_cut(np.arcsinh, [ -2,  2, 0], [1j, 1j, 1], 1, 1, False, np.complex64)
        _check_branch_cut(np.arccosh, [0-2j, 2j, 2], [1,  1,  1j], 1, 1, False, np.complex64)
        _check_branch_cut(np.arctanh, [0-2j, 2j, 0], [1,  1,  1j], 1, 1, False, np.complex64)

開發者ID:Frank-qlu，項目名稱:recruit，代碼行數:26，代碼來源:test_umath.py

示例3: test_against_cmath

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_against_cmath(self):
        import cmath

        points = [-1-1j, -1+1j, +1-1j, +1+1j]
        name_map = {'arcsin': 'asin', 'arccos': 'acos', 'arctan': 'atan',
                    'arcsinh': 'asinh', 'arccosh': 'acosh', 'arctanh': 'atanh'}
        atol = 4*np.finfo(complex).eps
        for func in self.funcs:
            fname = func.__name__.split('.')[-1]
            cname = name_map.get(fname, fname)
            try:
                cfunc = getattr(cmath, cname)
            except AttributeError:
                continue
            for p in points:
                a = complex(func(np.complex_(p)))
                b = cfunc(p)
                assert_(abs(a - b) < atol, "%s %s: %s; cmath: %s" % (fname, p, a, b))

開發者ID:Frank-qlu，項目名稱:recruit，代碼行數:20，代碼來源:test_umath.py

示例4: test_branch_cuts

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_branch_cuts(self):
        # check branch cuts and continuity on them
        yield _check_branch_cut, np.log,   -0.5, 1j, 1, -1, True
        yield _check_branch_cut, np.log2,  -0.5, 1j, 1, -1, True
        yield _check_branch_cut, np.log10, -0.5, 1j, 1, -1, True
        yield _check_branch_cut, np.log1p, -1.5, 1j, 1, -1, True
        yield _check_branch_cut, np.sqrt,  -0.5, 1j, 1, -1, True

        yield _check_branch_cut, np.arcsin, [ -2, 2],   [1j, 1j], 1, -1, True
        yield _check_branch_cut, np.arccos, [ -2, 2],   [1j, 1j], 1, -1, True
        yield _check_branch_cut, np.arctan, [0-2j, 2j],  [1,  1], -1, 1, True

        yield _check_branch_cut, np.arcsinh, [0-2j,  2j], [1,   1], -1, 1, True
        yield _check_branch_cut, np.arccosh, [ -1, 0.5], [1j,  1j], 1, -1, True
        yield _check_branch_cut, np.arctanh, [ -2,   2], [1j, 1j], 1, -1, True

        # check against bogus branch cuts: assert continuity between quadrants
        yield _check_branch_cut, np.arcsin, [0-2j, 2j], [ 1,  1], 1, 1
        yield _check_branch_cut, np.arccos, [0-2j, 2j], [ 1,  1], 1, 1
        yield _check_branch_cut, np.arctan, [ -2,  2], [1j, 1j], 1, 1

        yield _check_branch_cut, np.arcsinh, [ -2,  2, 0], [1j, 1j, 1], 1, 1
        yield _check_branch_cut, np.arccosh, [0-2j, 2j, 2], [1,  1,  1j], 1, 1
        yield _check_branch_cut, np.arctanh, [0-2j, 2j, 0], [1,  1,  1j], 1, 1

開發者ID:abhisuri97，項目名稱:auto-alt-text-lambda-api，代碼行數:26，代碼來源:test_umath.py

示例5: test_branch_cuts_complex64

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_branch_cuts_complex64(self):
        # check branch cuts and continuity on them
        yield _check_branch_cut, np.log,   -0.5, 1j, 1, -1, True, np.complex64
        yield _check_branch_cut, np.log2,  -0.5, 1j, 1, -1, True, np.complex64
        yield _check_branch_cut, np.log10, -0.5, 1j, 1, -1, True, np.complex64
        yield _check_branch_cut, np.log1p, -1.5, 1j, 1, -1, True, np.complex64
        yield _check_branch_cut, np.sqrt,  -0.5, 1j, 1, -1, True, np.complex64

        yield _check_branch_cut, np.arcsin, [ -2, 2],   [1j, 1j], 1, -1, True, np.complex64
        yield _check_branch_cut, np.arccos, [ -2, 2],   [1j, 1j], 1, -1, True, np.complex64
        yield _check_branch_cut, np.arctan, [0-2j, 2j],  [1,  1], -1, 1, True, np.complex64

        yield _check_branch_cut, np.arcsinh, [0-2j,  2j], [1,   1], -1, 1, True, np.complex64
        yield _check_branch_cut, np.arccosh, [ -1, 0.5], [1j,  1j], 1, -1, True, np.complex64
        yield _check_branch_cut, np.arctanh, [ -2,   2], [1j, 1j], 1, -1, True, np.complex64

        # check against bogus branch cuts: assert continuity between quadrants
        yield _check_branch_cut, np.arcsin, [0-2j, 2j], [ 1,  1], 1, 1, False, np.complex64
        yield _check_branch_cut, np.arccos, [0-2j, 2j], [ 1,  1], 1, 1, False, np.complex64
        yield _check_branch_cut, np.arctan, [ -2,  2], [1j, 1j], 1, 1, False, np.complex64

        yield _check_branch_cut, np.arcsinh, [ -2,  2, 0], [1j, 1j, 1], 1, 1, False, np.complex64
        yield _check_branch_cut, np.arccosh, [0-2j, 2j, 2], [1,  1,  1j], 1, 1, False, np.complex64
        yield _check_branch_cut, np.arctanh, [0-2j, 2j, 0], [1,  1,  1j], 1, 1, False, np.complex64

開發者ID:abhisuri97，項目名稱:auto-alt-text-lambda-api，代碼行數:26，代碼來源:test_umath.py

示例6: test_against_cmath

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_against_cmath(self):
        import cmath

        points = [-1-1j, -1+1j, +1-1j, +1+1j]
        name_map = {'arcsin': 'asin', 'arccos': 'acos', 'arctan': 'atan',
                    'arcsinh': 'asinh', 'arccosh': 'acosh', 'arctanh': 'atanh'}
        atol = 4*np.finfo(np.complex).eps
        for func in self.funcs:
            fname = func.__name__.split('.')[-1]
            cname = name_map.get(fname, fname)
            try:
                cfunc = getattr(cmath, cname)
            except AttributeError:
                continue
            for p in points:
                a = complex(func(np.complex_(p)))
                b = cfunc(p)
                assert_(abs(a - b) < atol, "%s %s: %s; cmath: %s" % (fname, p, a, b))

開發者ID:abhisuri97，項目名稱:auto-alt-text-lambda-api，代碼行數:20，代碼來源:test_umath.py

示例7: test_Pgate_decomp_equal

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_Pgate_decomp_equal(self, setup_eng, s, tol):
        """Tests that the Pgate gives the same transformation as its decomposition."""
        eng, prog = setup_eng(1)

        r = np.arccosh(np.sqrt(1 + (s / 2) ** 2))
        theta = np.arctan(s / 2)
        phi = -np.sign(s) * np.pi / 2 - theta

        with prog.context as q:
            ops.Pgate(s) | q
            # run decomposition with reversed arguments
            ops.Rgate(-theta) | q
            ops.Sgate(r, phi + np.pi) | q

        eng.run(prog)
        assert np.all(eng.backend.is_vacuum(tol))

開發者ID:XanaduAI，項目名稱:strawberryfields，代碼行數:18，代碼來源:test_decompositions_integration.py

示例8: test_branch_cuts

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_branch_cuts(self):
        # check branch cuts and continuity on them
        yield _check_branch_cut, np.log,   -0.5, 1j, 1, -1
        yield _check_branch_cut, np.log2,  -0.5, 1j, 1, -1
        yield _check_branch_cut, np.log10, -0.5, 1j, 1, -1
        yield _check_branch_cut, np.log1p, -1.5, 1j, 1, -1
        yield _check_branch_cut, np.sqrt,  -0.5, 1j, 1, -1

        yield _check_branch_cut, np.arcsin, [ -2, 2],   [1j, -1j], 1, -1
        yield _check_branch_cut, np.arccos, [ -2, 2],   [1j, -1j], 1, -1
        yield _check_branch_cut, np.arctan, [-2j, 2j],  [1,  -1 ], -1, 1

        yield _check_branch_cut, np.arcsinh, [-2j,  2j], [-1,   1], -1, 1
        yield _check_branch_cut, np.arccosh, [ -1, 0.5], [1j,  1j], 1, -1
        yield _check_branch_cut, np.arctanh, [ -2,   2], [1j, -1j], 1, -1

        # check against bogus branch cuts: assert continuity between quadrants
        yield _check_branch_cut, np.arcsin, [-2j, 2j], [ 1,  1], 1, 1
        yield _check_branch_cut, np.arccos, [-2j, 2j], [ 1,  1], 1, 1
        yield _check_branch_cut, np.arctan, [ -2,  2], [1j, 1j], 1, 1

        yield _check_branch_cut, np.arcsinh, [ -2,  2, 0], [1j, 1j, 1 ], 1, 1
        yield _check_branch_cut, np.arccosh, [-2j, 2j, 2], [1,  1,  1j], 1, 1
        yield _check_branch_cut, np.arctanh, [-2j, 2j, 0], [1,  1,  1j], 1, 1

開發者ID:ktraunmueller，項目名稱:Computable，代碼行數:26，代碼來源:test_umath.py

示例9: test_against_cmath

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def test_against_cmath(self):
        import cmath, sys

        points = [-1-1j, -1+1j, +1-1j, +1+1j]
        name_map = {'arcsin': 'asin', 'arccos': 'acos', 'arctan': 'atan',
                    'arcsinh': 'asinh', 'arccosh': 'acosh', 'arctanh': 'atanh'}
        atol = 4*np.finfo(np.complex).eps
        for func in self.funcs:
            fname = func.__name__.split('.')[-1]
            cname = name_map.get(fname, fname)
            try:
                cfunc = getattr(cmath, cname)
            except AttributeError:
                continue
            for p in points:
                a = complex(func(np.complex_(p)))
                b = cfunc(p)
                assert_(abs(a - b) < atol, "%s %s: %s; cmath: %s"%(fname, p, a, b))

開發者ID:ktraunmueller，項目名稱:Computable，代碼行數:20，代碼來源:test_umath.py

示例10: hyperboloid_grad

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def hyperboloid_grad(x, y):
    s = np.sqrt(1 + np.sum(x ** 2))
    t = np.sqrt(1 + np.sum(y ** 2))

    B = s * t
    for i in range(x.shape[0]):
        B -= x[i] * y[i]

    if B <= 1:
        B = 1.0 + 1e-8

    grad_coeff = 1.0 / (np.sqrt(B - 1) * np.sqrt(B + 1))

    # return np.arccosh(B), np.zeros(x.shape[0])

    grad = np.zeros(x.shape[0])
    for i in range(x.shape[0]):
        grad[i] = grad_coeff * (((x[i] * t) / s) - y[i])

    return np.arccosh(B), grad

開發者ID:lmcinnes，項目名稱:umap，代碼行數:22，代碼來源:distances.py

示例11: K

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def K(self, r, R, r_ani):
        """
        equation A16 im Mamon & Lokas for Osipkov&Merrit anisotropy

        :param r: 3d radius
        :param R: projected 2d radius
        :param r_ani: anisotropy radius
        :return: K(r, R)
        """
        u = r / R
        if np.min(u) < 1:
            raise ValueError("3d radius is smaller than projected radius! Does not make sense.")
        ua = r_ani / R
        if ua == 1:
            k = (1 + 1. / u) * np.arccosh(u) - 1. / 6 * (8. / u + 7) * np.sqrt((u - 1.) / (u + 1.))
        elif ua > 1:
            k = 0.5 / (ua ** 2 - 1) * np.sqrt(1 - 1. / u ** 2) + (1. + ua / u) * np.arccosh(u) - np.sign(ua - 1) * ua * \
                (ua ** 2 - 0.5) / np.abs(ua ** 2 - 1) ** (3. / 2) * (1. + ua / u) * np.arccosh((ua * u + 1) / (u + ua))
        else:  # ua < 1
            k = 0.5 / (ua ** 2 - 1) * np.sqrt(1 - 1. / u ** 2) + (1. + ua / u) * np.arccosh(u) - np.sign(ua - 1) * ua * \
                (ua ** 2 - 0.5) / np.abs(ua ** 2 - 1) ** (3. / 2) * (1. + ua / u) * np.arccos((ua * u + 1) / (u + ua))
        return k

開發者ID:sibirrer，項目名稱:lenstronomy，代碼行數:24，代碼來源:anisotropy.py

示例12: _cos_function

# 需要導入模塊: import numpy [as 別名]
# 或者: from numpy import arccosh [as 別名]
def _cos_function(x):

        if isinstance(x, np.ndarray) or isinstance(x, list):
            out = np.empty_like(x)
            inds1 = np.where(x < 1)
            inds2 = np.where(x >= 1)

            out[inds1] = -np.arccosh(1 / x[inds1]) ** 2
            out[inds2] = np.arccos(1 / x[inds2]) ** 2

        elif isinstance(x, float) or isinstance(x, int):
            if x < 1:
                out = -np.arccosh(1 / x) ** 2
            else:
                out = np.arccos(1 / x) ** 2

        else:
            raise Exception('x data type '+type(x)+' not recognized.')

        return out

開發者ID:sibirrer，項目名稱:lenstronomy，代碼行數:22，代碼來源:tnfw.py

注：本文中的numpy.arccosh方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。