Example #1
0
 def __init__(self, eother):
     self.x = eother.x
     self.value = math.sin(eother.value)
     self.range = interval.sin(eother.range)
     if Slope.flagEvalConv:
         self.conv = False
         self.conc = False
     sp = interval.Interval([0, 0])
     if eother.value == eother.range[0] or eother.value == eother.range[1]:
         sp = interval.cos(eother.range)
     else:
         pil = math.floor(math.floor(eother.range[0] / math.pi))
         piu = math.ceil(math.ceil(eother.range[1] / math.pi))
         if piu == pil + 1:
             if piu % 2 == 0:
                 sp = comp_conc_slope(eother.range[0],
                                      eother.range[1], eother.value,
                                      math.sin(eother.range[0]),
                                      math.sin(eother.range[1]), self.value,
                                      math.cos(self.value))
             else:
                 sp = comp_conv_slope(eother.range[0],
                                      eother.range[1], eother.value,
                                      math.sin(eother.range[0]),
                                      math.sin(eother.range[1]), self.value,
                                      math.cos(eother.value))
         else:
             sp = interval.cos(eother.range)
     self.S = eother.S * sp
     if Slope.flagRecompRange:
         self.comp_slopes_bound()
Example #2
0
def IF(x):
    return np.array([
        mkconst(l) * ival.cos(x[0]) + mkconst(L) * ival.cos(x[2]) - x[4],
        mkconst(l) * ival.cos(x[1]) + mkconst(L) * ival.cos(x[3]) - x[4] +
        mkconst(d),
        mkconst(l) * ival.sin(x[0]) + mkconst(L) * ival.sin(x[2]) - x[5],
        mkconst(l) * ival.sin(x[1]) + mkconst(L) * ival.sin(x[3]) - x[5]
    ])
Example #3
0
def mycos(x):
    """
    Interval cos
    :param x: interval
    :return: interval cos(x)
    """
    return ival.cos(x)
Example #4
0
 def __init__(self, eother):
     self.x = eother.x
     self.value = math.sin(eother.value)
     y = interval.cos(self.range)
     L = getLip(y)
     self.L = L * eother.L
     self.compbnd()
Example #5
0
 def __init__(self, eother):
     self.x = eother.x
     self.value = math.sin(eother.value)
     y = interval.cos(self.x)
     print(self.x)
     L = getLip(y)
     # L = 1
     print(L)
     self.L = L * eother.L
     self.compbnd()
Example #6
0
 def testCos(self):
     x = interval.Interval([-1, 2 * math.pi/3])
     z = interval.cos(x)
     for i in range(len(z.x)):
         self.assertAlmostEqual(z.x[i], [-0.5,1][i])