Tchebycheff equation
[ chuh-buh-shawf ]
/ tʃə bəˈʃɔf /
noun Mathematics.
a differential equation of the form (1 − x2) d2y/dx2 − x dy/dx + n2y = 0, where n is any nonnegative integer.
Also called
Chebyshev equation.
Origin of Tchebycheff equation
named after Pafnutiĭ L.
Chebyshev (1821–94), Russian mathematician