Community Profile

# Jeffery

Last seen: 18 giorni fa Attivo dal 2022

Programming Languages:
Python, C++, Java
Spoken Languages:
English, German, Mandarin

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Risolto

Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

circa 2 mesi fa

Risolto

Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

circa 2 mesi fa

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

circa 2 mesi fa

Risolto

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

circa 2 mesi fa

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Create a vector
Create a vector from 0 to n by intervals of 2.

circa 2 mesi fa

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

circa 2 mesi fa

Risolto

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

circa 2 mesi fa

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Find max
Find the maximum value of a given vector or matrix.

circa 2 mesi fa

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

circa 2 mesi fa

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Inner product of two vectors
Find the inner product of two vectors.

circa 2 mesi fa

Risolto

Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

circa 2 mesi fa

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Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

circa 2 mesi fa

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Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

circa 2 mesi fa

Risolto

Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

circa 2 mesi fa

Risolto

Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

circa 2 mesi fa

Risolto

Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

circa 2 mesi fa

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

circa 2 mesi fa

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MATLAB Basic: rounding IV

circa 2 mesi fa

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MATLAB Basic: rounding III

circa 2 mesi fa

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MATLAB Basic: rounding II

circa 2 mesi fa

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

circa 2 mesi fa

Risolto

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

circa 2 mesi fa

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Electrical Diode Current Calculation
In engineering, there is not always a single equation that describes a phenomenon accurately enough to be applied in all instanc...

2 mesi fa

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An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

2 mesi fa

Risolto

Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

2 mesi fa

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Energy Conversion 2

2 mesi fa

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Energy Conversion 1

2 mesi fa

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Velocity Conversion
Given a velocity in mph, convert it to km/h. Round the answer to the fourth decimal place.

2 mesi fa

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Area Conversion 2

2 mesi fa

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Area Conversion 1

2 mesi fa