n.判别式

The discriminant of the quadratic equation ax^2 + bx + c = 0 is b^2 - 4ac.
二次方程ax^2 + bx + c = 0的判别式是b^2 - 4ac。
If the discriminant is positive, the quadratic equation has two real roots.
如果判别式为正，则二次方程有两个实根。
We use the discriminant to determine the nature of the roots of a quadratic equation.
我们使用判别式来确定二次方程根的性质。
The discriminant analysis was used to classify the samples into different groups.
判别分析被用来将样本分类到不同的组别中。
In machine learning, discriminant functions are used to predict the class of an observation.
在机器学习中，判别函数用于预测观察结果的类别。
A significant discriminant function was obtained by analyzing the data.
通过对数据进行分析，得到了一个显著的判别函数。
The discriminant can help us understand the behavior of solutions to polynomial equations.
判别式可以帮助我们理解多项式方程解的行为。
Discriminant analysis can be used in medical diagnosis to distinguish between different diseases.
判别分析可以用于医学诊断，以区分不同的疾病。
The discriminant of a cubic equation is more complex than that of a quadratic equation.
三次方程的判别式比二次方程的判别式更复杂。
By calculating the discriminant, we can determine if the roots of the equation are real or complex.
通过计算判别式，我们可以确定方程的根是实数还是复数。