Python cross 예제들

예제 #1

파일: test_vector.py 프로젝트: asmeurer/sympy

def test_cross():
    v1 = C.x * i + C.z * C.z * j
    v2 = C.x * i + C.y * j + C.z * k
    assert Cross(v1, v2) == Cross(C.x*C.i + C.z**2*C.j, C.x*C.i + C.y*C.j + C.z*C.k)
    assert Cross(v1, v2).doit() == C.z**3*C.i + (-C.x*C.z)*C.j + (C.x*C.y - C.x*C.z**2)*C.k
    assert cross(v1, v2) == C.z**3*C.i + (-C.x*C.z)*C.j + (C.x*C.y - C.x*C.z**2)*C.k
    assert Cross(v1, v2) == -Cross(v2, v1)
    assert Cross(v1, v2) + Cross(v2, v1) == Vector.zero

예제 #2

def test_cross():
    v1 = C.x * i + C.z * C.z * j
    v2 = C.x * i + C.y * j + C.z * k
    assert Cross(v1, v2) == Cross(C.x*C.i + C.z**2*C.j, C.x*C.i + C.y*C.j + C.z*C.k)
    assert Cross(v1, v2).doit() == C.z**3*C.i + (-C.x*C.z)*C.j + (C.x*C.y - C.x*C.z**2)*C.k
    assert cross(v1, v2) == C.z**3*C.i + (-C.x*C.z)*C.j + (C.x*C.y - C.x*C.z**2)*C.k
    assert Cross(v1, v2) == -Cross(v2, v1)
    assert Cross(v1, v2) + Cross(v2, v1) == Vector.zero