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A Bézier curve is defined by a set of control points P0 through Pn, where n is called the order of the curve (n = 1 for linear, 2 for quadratic, 3 for cubic, etc.). The first and last control points are always the endpoints of the curve; however, the intermediate control points generally do not lie on the curve.
A Lissajous curve / ˈlɪsəʒuː /, also known as Lissajous figure or Bowditch curve / ˈbaʊdɪtʃ /, is the graph of a system of parametric equations. which describe the superposition of two perpendicular oscillations in x and y directions of different angular frequency (a and b). The resulting family of curves was investigated by Nathaniel ...
30,000 (2015) [ 4 ] Rheumatoid arthritis (RA) is a long-term autoimmune disorder that primarily affects joints. [ 1 ] It typically results in warm, swollen, and painful joints. [ 1 ] Pain and stiffness often worsen following rest. [ 1 ] Most commonly, the wrist and hands are involved, with the same joints typically involved on both sides of the ...
There are infinitely many different Lissajous knots, [4] and other examples with 10 or fewer crossings include the 7 4 knot, the 8 15 knot, the 10 1 knot, the 10 35 knot, the 10 58 knot, and the composite knot 5 2 * # 5 2, [1] as well as the 9 16 knot, 10 76 knot, the 10 99 knot, the 10 122 knot, the 10 144 knot, the granny knot, and the composite knot 5 2 # 5 2. [5]
A new study in mouse models of inflammatory bowel disease (IBD) suggests that common antibiotics may increase the risk of developing a form of IBD by damaging the protective mucus layer of the gut.
Post-nasal drip. Post-nasal drip (PND), also known as upper airway cough syndrome (UACS), occurs when excessive mucus is produced by the nasal mucosa. The excess mucus accumulates in the back of the nose, and eventually in the throat once it drips down the back of the throat. It can be caused by rhinitis, sinusitis, gastroesophageal reflux ...
Follow these steps: Turn on the pulse oximeter and place it on your fingertip, ideally the middle or index finger. Sit still and avoid moving while the device reads your oxygen levels and heart ...
Machado–Joseph disease (MJD), also known as Machado–Joseph Azorean disease, Machado's disease, Joseph's disease or spinocerebellar ataxia type 3 (SCA3), is a rare autosomal dominantly inherited neurodegenerative disease that causes progressive cerebellar ataxia, [1] [2] which results in a lack of muscle control and coordination of the upper and lower extremities. [3]