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Mathematicians

Often, to completely understand the importance of a mathematical theory, it's essential to know about the person who developed it. This category is where all questions about historically significant mathematicians should be asked.

6,570 Questions

What was Gottfried Wilhelm Leibniz's contribution to mathematics?

Leibniz is well known for his development of calculus independently of Isaac Newton. In the 20th century his Law of Continuity and Transcendental Law of Homogeneity were found to have mathematical implication and the binary number system was also refined thanks to him. Finally, he invented the Leibniz wheel which is used in the arithmometer.

Most of his contributions are to do with both science and mathematics, although he is most known for developing calculus.

What is the meaning of equal representation?

When all 3 branches of government is equal. Neither branch has more power than the other.

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Equal representation : Each region has the same number of elected representatives.

What is the witch of agnesi?

Maria Gaetana Agnesi (1719-1799) of Milan was a gifted scholar and linguist who was first published at the age of 9 with a Latin essay defending higher education for women. She was a well-published scientist by the age of 20 and was made an honorary member of the faculty at the University of Bologna with the consent of the pope at the age of thirty. She later retired to devote herself to her religious work. She is most famous for her curve Agnesi called versiera, or turning curve. We know this curve by the name the "witch of Agnesi" because a British mathematician, John Colson, translated the word versiera incorrectly.

How do you turn 50 percent into degrees?

You can bisect an angle thus splitting it in half which is 50%

But if you meant turning 50% into decimals then it is 50/100 = 0.5 as a decimal

What were René Descartes remarks?

A state is better governed which has few laws, and those laws strictly observed.

BY MEHAK SAPRA

Why isn't John McCarrick on channel 4 racing?

As I remember there was a difference of opinion and he was given the boot. It was less than a year ago. Extract from The Guardian Sport Horse racing Should Channel 4 have gone further and dispensed with John McCririck completely? The ebullient racing pundit said he was 'humiliated' by the decision to reduce his contribution by 25%, comparing it to Liverpool dropping Steven Gerrard. But would it be better if he disappeared from Channel 4 Racing entirely? God bless you John:)

What are some examples I could do for my time series class?

The answer depends on what you want the time series to show, how sophisticated the audience is, how much time and effort you can put into the exercise.

A simple example to demonstrate periodicity is hourly tidal heights. Not so relevant if you live thousands of miles from the nearest sea, though.

If you want periodicity with some randomness, you can try temperatures for your locations. Either average monthly temperatures over a year (or more) or hourly temps over a day or a few days.

If you want a lot more random behaviour, go for the stock exchange prices - daily closing prices over a year, shorter term for a day.

Other economic variables: GDP, employment, unemployment rate, inflation rate can all be used but it will help to know of changes in the economic environment which resulted in the changes in the variable of your choice. For example, the unemployment rate increased because some creditor country pulled the plug on all the money your country owed it and, as a result, your country's economy went into a nose-dive.

All of these variables should be available from official sources or are either easy to collect.

What made John Nash different as an individual for having a mental disorder?

He suffered from paranoid schizophrenia and was also a genius in mathematics who was awarded a shared Nobel Memorial Prize in Economic Sciences and an Abel Prize for outstanding achievement in mathematics.

What are the two numbers if the sum of two numbers is 82 and the difference is 36?

x = 59

y = 23

Let:

x = the first number

y = the second number

x + y = 82 -- equation (1)

x - y = 36 --- equation (2)

By Elimination:

x + y = 82

x - y = 36

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2x = 118 2x/2 = 118/2

x = 59

x + y = 82

y = 82 - x

y = 82 - 59

y = 23

check:

x - y = 39

59 - 23 = 36

36 = 36

Let x = 1st number

let y = 2nd number

X + Y = 82

X - Y = 36

add above equations

2X = 118

X = 59

Y = 23