math.acos

All Samples(994) | Call(796) | Derive(0) | Import(198)

acos(x)

Return the arc cosine (measured in radians) of x.

src/p/y/pycppad-HEAD/example/std_math.py pycppad(Download)

  a_x   = ad(x)
 
  # all the a_float unary standard math functions
  assert abs( arccos(a_x) - math.acos(x) )  < delta
  assert abs( arcsin(a_x) - math.asin(x) )  < delta
  assert abs( arctan(a_x) - math.atan(x) )  < delta
  assert abs( cos(a_x)    - math.cos(x) )   < delta

  a2x   = ad(ad(x))
 
  # all the a2float unary standard math functions
  assert abs( arccos(a2x) - math.acos(x) )  < delta
  assert abs( arcsin(a2x) - math.asin(x) )  < delta
  assert abs( arctan(a2x) - math.atan(x) )  < delta
  assert abs( cos(a2x)    - math.cos(x) )   < delta

src/d/i/divisi-HEAD/doc/examples/mds.py divisi(Download)

import orange
import orngMDS
import numpy as np
from math import acos as _acos
from csc.divisi.tensor import DenseTensor
from csc.divisi.view import LabeledView

def acos(x):
    if x > 1: return _acos(1)
    if x < -1: return _acos(-1)
    return _acos(x)
 
concept_labels = aspace.weighted_u.label_list(0)

src/d/i/Divisi-0.6.10/doc/examples/mds.py Divisi(Download)

import orange
import orngMDS
import numpy as np
from math import acos as _acos
from csc.divisi.tensor import DenseTensor
from csc.divisi.view import LabeledView

def acos(x):
    if x > 1: return _acos(1)
    if x < -1: return _acos(-1)
    return _acos(x)
 
concept_labels = aspace.weighted_u.label_list(0)

src/s/e/semanticsbml-HEAD/trunk/trash/sbml2dot_sbmlmergemath.py semanticsbml(Download)

                    libsbml.AST_FUNCTION_ARCSIN:    math.asin,
                    libsbml.AST_FUNCTION_ARCCOS:    math.acos,
                    libsbml.AST_FUNCTION_ARCTAN:    math.atan,
                    libsbml.AST_FUNCTION_ARCCOT:    lambda x: math.acos(x / math.sqrt(1 + x**2)),
                    libsbml.AST_FUNCTION_ARCSEC:    lambda x: 1 / math.acos(x),
                    libsbml.AST_FUNCTION_ARCCSC:    lambda x: 1 / math.asin(x),
                    libsbml.AST_FUNCTION_ARCSINH:   lambda x: math.log(x + math.sqrt(x**2  + 1)),

src/s/e/semanticsbml-HEAD/trash/sbml2dot_sbmlmergemath.py semanticsbml(Download)

                    libsbml.AST_FUNCTION_ARCSIN:    math.asin,
                    libsbml.AST_FUNCTION_ARCCOS:    math.acos,
                    libsbml.AST_FUNCTION_ARCTAN:    math.atan,
                    libsbml.AST_FUNCTION_ARCCOT:    lambda x: math.acos(x / math.sqrt(1 + x**2)),
                    libsbml.AST_FUNCTION_ARCSEC:    lambda x: 1 / math.acos(x),
                    libsbml.AST_FUNCTION_ARCCSC:    lambda x: 1 / math.asin(x),
                    libsbml.AST_FUNCTION_ARCSINH:   lambda x: math.log(x + math.sqrt(x**2  + 1)),

src/i/r/ironruby-HEAD/External.LCA_RESTRICTED/Languages/IronPython/27/Lib/random.py ironruby(Download)

from warnings import warn as _warn
from types import MethodType as _MethodType, BuiltinMethodType as _BuiltinMethodType
from math import log as _log, exp as _exp, pi as _pi, e as _e, ceil as _ceil
from math import sqrt as _sqrt, acos as _acos, cos as _cos, sin as _sin
from os import urandom as _urandom
from binascii import hexlify as _hexlify

 
        u3 = random()
        if u3 > 0.5:
            theta = (mu % TWOPI) + _acos(f)
        else:
            theta = (mu % TWOPI) - _acos(f)

src/i/r/ironruby-HEAD/External.LCA_RESTRICTED/Languages/CPython/27/Lib/random.py ironruby(Download)

from warnings import warn as _warn
from types import MethodType as _MethodType, BuiltinMethodType as _BuiltinMethodType
from math import log as _log, exp as _exp, pi as _pi, e as _e, ceil as _ceil
from math import sqrt as _sqrt, acos as _acos, cos as _cos, sin as _sin
from os import urandom as _urandom
from binascii import hexlify as _hexlify

 
        u3 = random()
        if u3 > 0.5:
            theta = (mu % TWOPI) + _acos(f)
        else:
            theta = (mu % TWOPI) - _acos(f)

src/h/e/heatsource-HEAD/src/Stream/PyHeatsource.py heatsource(Download)

from __future__ import division
from math import pow, sqrt, sin, log, atan, sin, cos, pi, tan, acos, exp,radians, degrees, log10
from random import randint
from bisect import bisect
 
class HeatSourceError(Exception): pass

    elif Dummy < -1.0:
        Dummy = -1.0
 
    Zenith = toDegrees*(acos(Dummy))
    Dummy = cos(toRadians*lat) * sin(toRadians*Zenith)
    if abs(Dummy) >= 0.000999:
        Azimuth = (sin(toRadians*lat) * cos(toRadians*Zenith) - sin(toRadians*Declination)) / Dummy
        if abs(Azimuth) > 1.0:
            if Azimuth < 0:
                Azimuth = -1.0
            else:
                Azimuth = 1.0
 
        Azimuth = 180 - toDegrees*(acos(Azimuth))

src/x/i/xia2-HEAD/xia2/Modules/CellRefImageSelect.py xia2(Download)

 
    pi = 4.0 * math.atan(1.0)
 
    angle_a = 0.5 * pi - math.acos(dot_a / length_a)
    angle_b = 0.5 * pi - math.acos(dot_b / length_b)
    angle_c = 0.5 * pi - math.acos(dot_c / length_c)

    length_b = math.sqrt(dot(b, b))
    length_c = math.sqrt(dot(c, c))
 
    angle_a = math.acos(dot_a / length_a)
    angle_b = math.acos(dot_b / length_b)
    angle_c = math.acos(dot_c / length_c)

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(90.0 - rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(90.0 - rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(90.0 - rtod * math.acos(dot_c / length_c))

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(90.0 - rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(90.0 - rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(90.0 - rtod * math.acos(dot_c / length_c))

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(90.0 - rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(90.0 - rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(90.0 - rtod * math.acos(dot_c / length_c))

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(rtod * math.acos(dot_c / length_c))

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(rtod * math.acos(dot_c / length_c))

src/x/i/xia2-HEAD/trunk/xia2-research-jiffies/CellRefImageSelect.py xia2(Download)

 
    pi = 4.0 * math.atan(1.0)
 
    angle_a = 0.5 * pi - math.acos(dot_a / length_a)
    angle_b = 0.5 * pi - math.acos(dot_b / length_b)
    angle_c = 0.5 * pi - math.acos(dot_c / length_c)

    length_b = math.sqrt(dot(b, b))
    length_c = math.sqrt(dot(c, c))
 
    angle_a = math.acos(dot_a / length_a)
    angle_b = math.acos(dot_b / length_b)
    angle_c = math.acos(dot_c / length_c)

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(90.0 - rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(90.0 - rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(90.0 - rtod * math.acos(dot_c / length_c))

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(90.0 - rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(90.0 - rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(90.0 - rtod * math.acos(dot_c / length_c))

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(90.0 - rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(90.0 - rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(90.0 - rtod * math.acos(dot_c / length_c))

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(rtod * math.acos(dot_c / length_c))

 
    rtod = 180.0 / math.pi
 
    angle_a = math.fabs(rtod * math.acos(dot_a / length_a))
    angle_b = math.fabs(rtod * math.acos(dot_b / length_b))
    angle_c = math.fabs(rtod * math.acos(dot_c / length_c))

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 Next