The Mayans used zero between numbers to express time periods and denote the dates of the calendar. The Indians were the first to use zero like any number and gave the zero meaning in math. For this reason, the concept of zero in math is considered to have originated in India. The Arab...
The volume is measured in cubic units. For example, cubic meters (m3), cubic centimeters (cm3), etc. For example, if the length of an edge is known to be 6 cm, then the volume of the cube will be 6 × 6 × 6 = 216 and the unit will be cm3; here, the volume of the cube...
Correction to: Perspective Chapter: MOOC – A Decade Later! What Is the Current Situation in Teacher Education? Advertisement Abstract The growth of distance education, even if in emergency modalities such as those compelled by the pandemic context in which we live in the last 3 years, seems to...
Note that the goal here isn’t to train using pristine data. You want to mimic what the system will see in the real world—some spam is easy to spot, but other examples are stealthy or borderline. Overly clean data leads to overfitting, meaning the model will identify only other pristine...
The meaning of a word is to be defined by the words for its use, not by the feeling that attaches to the words.” For a formalist approach to mathematics see, e.g., Hilbert [11], p. 18 (translation in [6], p. 1122) “Because I take this standpoint, the objects [Gegenständ...
A reaction is a sudden but usually short-lived upward or downward movement in a stock's price. While the financial media often speaks of how the market will react to certain news, "reaction" has a specific meaning in finance and investing. It's a quick, typically brief fluctuation in a ...
The you started studying statistics and all of a sudden the “average” is now called the mean. What happened? The answer is that they have the same meaning(they are synonyms). However there is a caveat. Technically, the word mean is short for the arithmetic mean. We use different words...
In our network representation, a large number of possible networks translates into a large number of possible configurations that can be attained by the social organization. Thus, we can use entropy to characterize the potentiality of the social organization, that is, its ability to attain these ...
Phytotelmata (singular phytotelma) derives from the Greek words “phyto”, which means plant, and “telma”, meaning pond, and was first proposed by Varga [1], based on his observations, to define the microhabitats product of water-filled bodies in plant surfaces [2]. Within the phytotel...
Note that the × in a floating-point number is part of the notation, and different from a floating-point multiply operation. The meaning of the × symbol should be clear from the context. For example, the expression (2.5 × 10-3) × (4.0 × 102) involves only a single floating-point...