三角不等式
Triangle inequality In real numbers or vectors, it states that the sum of two sides is greater than the third, i.e., $|a+b| \leq |a| + |b|$.
CSCA 数学 考试术语
Triangle inequality In real numbers or vectors, it states that the sum of two sides is greater than the third, i.e., $|a+b| \leq |a| + |b|$.
CSCA 数学 考试术语