{{ tocSubheader }}
| {{ 'ml-lesson-number-slides' | message : article.intro.bblockCount }} |
| {{ 'ml-lesson-number-exercises' | message : article.intro.exerciseCount }} |
| {{ 'ml-lesson-time-estimation' | message }} |
Definition | Representation | |
---|---|---|
Positive Numbers | A real number $x$ is said to be positive if it is greater than $0.$ | $0<x<∞$ or $x>0$ |
Negative Numbers | A real number $x$ is said to be negative if it is less than $0.$ | $-∞<x<0$ or $x<0$ |
Non-Positive Numbers | A real number $x$ is said to be non-positive if it is less than or equal to $0.$ | $-∞<x≤0$ or $x≤0$ |
Non-Negative Numbers | A real number $x$ is said to be non-negative if it is greater than or equal to $0.$ | $0≤x<∞$ or $x≥0$ |