(a.) Of or pertaining to the biquadrate, or fourth power.
(n.) A biquadrate.
(n.) A biquadratic equation.
Example Sentences:
Quartic
Definition:
(a.) Of the fourth degree.
(n.) A quantic of the fourth degree. See Quantic.
(n.) A curve or surface whose equation is of the fourth degree in the variables.
Example Sentences:
(1) To calculate NEmkg, dietary intake must be known or estimated, or it can be calculated using a complicated quartic equation.
(2) The patterns comprised linear, quadratic, cubic, and quartic mathematical functions and varied in spatial complexity.
(3) The transformed values of the third and fourth methods are obtained as the numerical solutions of quartic equations.
(4) The analysis of obtained expression for the repressor--operator system showed that binary code would preferable than quartic one.
(5) The associated Rs were: linear 0.966, quadratic 0.971, cubic 0.971, and quartic 0.977.
(6) By explicitly constructing this region, we derive a quartic equation that gives the largest measured calcium for which aequorin can be assumed to give an overestimate, as a function of the maximum calcium fluctuation.
(7) Post hoc analysis revealed a significant quartic trend for age.
(8) This quartic equation, when solved, gives the percentages of selected feedstuffs necessary to balance a diet.
(9) Since in many models it is necessary to go beyond linear terms, quadratic, cubic and quartic terms are also derived explicitly and details given of their extension to higher degrees.
(10) The polynomial coefficients provided an accurate description of dental arch morphology with the quadratic (chi 2) and quartic (chi 4) terms reflecting arch shape and the linear (chi) and cubic (chi 3) terms summarizing asymmetry.
(11) There were no significant differences between the groups in either the quadratic or quartic terms.
(12) It remains a quartic equation, but the coefficients for the first three factors of the equation are fixed, with only the unary X term and the coefficient containing variables.
(13) Distribution of ambient SO2, and IP concentrations were described using a quartic trend surface simulation.
(14) In each case, the audiogram could be approximated by a quartic equation.
(15) The quartic equation may be simplified by inserting imaginary nutrient values that optimize the equation for simplicity.
(16) However, when the antibody titers of individual hens were measured, their titers regressed on time in a significant quartic curvilinear fashion.
(17) The bile acid pool half-life remained constant until 28 days of age when it increased significantly and then held steady until it increased again at 8 wk of age following a quartic trend.
(18) The mean difference between actual thresholds and those predicted by the best-fit quartic did not exceed 7.72 dB and was less than 5 dB for eight of the 11 frequencies for which comparisons were made.