Python gaussian_kernel_grad_theano Examples

Example #1

File: test_kernels.py Project: JHamp/kernel_exp_family

def test_gaussian_kernel_grad_theano_execute():
    if not theano_available:
        raise SkipTest("Theano not available")
    
    D = 3
    x = np.random.randn(D)
    y = np.random.randn(D)
    sigma = 2.
    
    gaussian_kernel_grad_theano(x, y, sigma)

Example #2

def test_gaussian_kernel_grad_theano_execute():
    if not theano_available:
        raise SkipTest("Theano not available")

    D = 3
    x = np.random.randn(D)
    y = np.random.randn(D)
    sigma = 2.

    gaussian_kernel_grad_theano(x, y, sigma)

Example #3

File: test_kernels.py Project: JHamp/kernel_exp_family

def test_gaussian_kernel_grad_theano_result_equals_manual():
    if not theano_available:
        raise SkipTest("Theano not available")
    
    D = 3
    x = np.random.randn(D)
    y = np.random.randn(D)
    sigma = 2.
    
    grad = gaussian_kernel_grad_theano(x, y, sigma)
    grad_manual = gaussian_kernel_grad(x, y[np.newaxis, :], sigma)[0]
    print grad_manual
    print grad
    
    assert_allclose(grad, grad_manual)

Example #4

def test_gaussian_kernel_grad_theano_result_equals_manual():
    if not theano_available:
        raise SkipTest("Theano not available")

    D = 3
    x = np.random.randn(D)
    y = np.random.randn(D)
    sigma = 2.

    grad = gaussian_kernel_grad_theano(x, y, sigma)
    grad_manual = gaussian_kernel_grad(x, y[np.newaxis, :], sigma)[0]
    print grad_manual
    print grad

    assert_allclose(grad, grad_manual)