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Armando Longobardi


Attivo dal 2021

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Mechanical engineer

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Spoken Languages:
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Euclid primes
Historical context Euclid, the greek mathematician proved at his time that the prime numbers set is an infinite. By the way he ...

circa 6 ore fa

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Fermat primes
Historical context The french mathematician Pierre de Fermat found the formula to find some prime numbers. He thought / co...

circa 6 ore fa

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Ulam primes first formula
Historical context The polish-american mathematician Stanislaw Ulam found the formula to give the first 760 prime numbers ...

circa 6 ore fa

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Ulam primes second formula
Historical context The polish-american mathematician Stanislaw Ulam found the formula to give some prime numbers not given...

circa 6 ore fa

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Frequencies of prime gaps
Problem statement Given two positive integers n and , write a function which computes the frequency of the gap between two ...

circa 6 ore fa

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Basic Physics X
Calculate the Kinetic Energy (KE) by Weight (w), Distanec (d), and Time (t) without Mass (m) or Speed (v).

circa 6 ore fa

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Basic Physics IX
Calculate the Kinetic Energy (KE) by Weight (w) instead of Mass (m).

circa 6 ore fa

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Basic Physics VIII
Calculate the Mechanical Energy (ME) when the point is B.

circa 6 ore fa

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Basic Physics VII
Calculate the speed.

circa 6 ore fa

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Basic Physics VI
Fing the Kinetic Energy (KE) by Distance (d) and Time (t) instead of Speed (v).

circa 6 ore fa

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Basic Physics V
Calculate the Weight (w).

5 giorni fa

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Basic Physics IV
Calculate the Work.

5 giorni fa

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Basic Physics III
Calculate the Potential Energy (PE).

5 giorni fa

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Basic Physics II
Get the Kinetic Energy (KE).

5 giorni fa

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Basic Physics I
Calculate the energy by the famous formula of Albert Einstein.

5 giorni fa

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Problem Set 2
Make a calculator by the four main operators (op): + - * / And the two numbers (n1, n2). Don't forget to check to divisio...

5 giorni fa

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Problem Set 1
You will get the vector "v", you should put it's length in a variable called "lngth", then... If it's length from 1 to 5, sz = ...

5 giorni fa

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Switch-Case-Otherwise
You should make random numbers to 10, by 3 rows and 3 columns. Cases from 1 to 3, b = true. Otherwise, b = false.

5 giorni fa

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NOT
If a not equal to zero, b = true, else, b = false.

5 giorni fa

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OR
If a greater than zero or c less than 10, b = true, else, b = false.

5 giorni fa

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AND
If a greater than 0 and n less than 10, b = true, else, b = false. (Checking a should be in one line by AND special sign in MAT...

5 giorni fa

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Nested If(s)
If a greater than zero, then check, if a = greater that 1 and less than 10, then b = true, else, b = false.

5 giorni fa

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If-Elseif-Else
If a more than zero, b = true, if a = zero , b = zero, else, b = false.

5 giorni fa

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If-Else
If a more than zero, b = true, else, b = false.

5 giorni fa

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If
If a more than zero, then b = true.

5 giorni fa

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Geometric Compression Ratio
The geometric compression ratio CR is the ratio of the total cylinder volume at BDC to the clearance volume at TDC. It is one of...

14 giorni fa

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Swept Volume and Clearance Volume
The swept volume (V_s) is the volume displaced by the piston as it travels from BDC (Bottom Dead Centre) to TDC (Top Dead Centre...

14 giorni fa

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Specific Fuel Consumption
Brake-specific fuel consumption (BSFC) measures how efficiently an engine converts fuel mass into useful work. Lower is better...

14 giorni fa

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Piston Mean Speed
Mean piston speed is a critical mechanical stress indicator — it sets limits on valve timing, bearing loads, and material fatigu...

14 giorni fa

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Engine Displacement
Engine displacement is the total swept volume of all cylinders. It is determined by bore (cylinder diameter), stroke (piston tra...

14 giorni fa

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