Python LBFGS.max_iterations示例

示例#1

文件： test_lbfgs.py 项目： wolfgang-noichl/pylbfgs

def test_class_interface():
    def f(x, g, *args):
        g[:] =  4 * x
        return x ** 4 + 1

    opt = LBFGS()
    opt.max_iterations = 3

    assert_array_equal(opt.minimize(f, 1e6), [0])

    opt.max_iterations = 1
    assert_raises(LBFGSError, opt.minimize, f, 1e7)

示例#2

文件： test_lbfgs.py 项目： wangshansong1/pylbfgs

def test_class_interface():
    def f(x, g, *args):
        g[:] = 4 * x
        return x**4 + 1

    opt = LBFGS()
    opt.max_iterations = 3

    assert_array_equal(opt.minimize(f, 1e6), [1])

    opt.max_iterations = 1
    assert_raises(LBFGSError, opt.minimize, f, 1e7)