| 释义 |
quadratic /kwɒˈdratɪk  /adjective MathematicsInvolving the second and no higher power of an unknown quantity or variable: a quadratic equation...- In 1826 Cauchy, in the context of quadratic forms in n variables, used the term ‘tableau’ for the matrix of coefficients.
- If f = 0, then the quartic in y is actually a quadratic equation in the variable y 2.
- Smith also extended Gauss's theorem on real quadratic forms to complex quadratic forms.
nounA quadratic equation.Historically, imaginary numbers first came to light when trying to solve cubic equations, rather than quadratics....- The sparseness of the quadratics is what is important here.
- This is certainly possible and the Babylonians' understanding of quadratics adds some weight to the claim.
Origin Mid 17th century: from French quadratique or modern Latin quadraticus, from quadratus 'made square', past participle of quadrare (see quadrate). Rhymesachromatic, acrobatic, Adriatic, aerobatic, anagrammatic, aquatic, aristocratic, aromatic, asthmatic, athematic, attic, autocratic, automatic, axiomatic, bureaucratic, charismatic, chromatic, cinematic, climatic, dalmatic, democratic, diagrammatic, diaphragmatic, diplomatic, dogmatic, dramatic, ecstatic, emblematic, emphatic, enigmatic, epigrammatic, erratic, fanatic, hepatic, hieratic, hydrostatic, hypostatic, idiomatic, idiosyncratic, isochromatic, lymphatic, melodramatic, meritocratic, miasmatic, monochromatic, monocratic, monogrammatic, numismatic, operatic, panchromatic, pancreatic, paradigmatic, phlegmatic, photostatic, piratic, plutocratic, pneumatic, polychromatic, pragmatic, prelatic, prismatic, problematic, programmatic, psychosomatic, rheumatic, schematic, schismatic, sciatic, semi-automatic, Socratic, somatic, static, stigmatic, sub-aquatic, sylvatic, symptomatic, systematic, technocratic, thematic, theocratic, thermostatic, traumatic |