def test_dim_can_vector():
dimsys = DimensionSystem([length, mass, time], [velocity, action],
{velocity: {
length: 1,
time: -1
}})
assert dimsys.dim_can_vector(length) == Matrix([1, 0, 0])
assert dimsys.dim_can_vector(velocity) == Matrix([1, 0, -1])
dimsys = DimensionSystem((length, velocity, action), (mass, time),
{time: {
length: 1,
velocity: -1
}})
assert dimsys.dim_can_vector(length) == Matrix([0, 1, 0])
assert dimsys.dim_can_vector(velocity) == Matrix([0, 0, 1])
assert dimsys.dim_can_vector(time) == Matrix([0, 1, -1])
dimsys = DimensionSystem((length, mass, time), (velocity, action), {
velocity: {
length: 1,
time: -1
},
action: {
mass: 1,
length: 2,
time: -1
}
})
assert dimsys.dim_vector(length) == Matrix([1, 0, 0])
assert dimsys.dim_vector(velocity) == Matrix([1, 0, -1])
def test_dim_vector():
dimsys = DimensionSystem((length, mass, time), (velocity, action))
assert dimsys.dim_vector(length) == Matrix([1, 0, 0])
assert dimsys.dim_vector(velocity) == Matrix([1, 0, -1])
dimsys = DimensionSystem((length, velocity, action), (mass, time))
assert dimsys.dim_vector(length) == Matrix([0, 1, 0])
assert dimsys.dim_vector(velocity) == Matrix([0, 0, 1])
assert dimsys.dim_vector(time) == Matrix([0, 1, -1])
