# Gergely Patay

SW engineer, R&D physicist, LEGO enthusiast

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Solved

Weighted average

Compute the weighted average Y, of the vector A, given the weight vector W. The weighted average is the sum of the dot produc...

1 year ago

Solved

Calculate the sum of two polynomials

Calculate the sum of two polynomials if they are written in notation with their coefficients. example: a=[3 4 5]; b=[...

1 year ago

Solved

Concatenated roots

Which is the value of this infinte concatenated roots? <<https://s27.postimg.org/i4hkin7xf/Code_Cogs_Eqn.gif>> Note: If ...

1 year ago

Solved

calculate PI without using pi function

There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

1 year ago

Solved

Negative without '-'

Simple: return a negative number without using the '-' sign. Thanks to Problem <https://www.mathworks.com/matlabcentral/cody/...

1 year ago

Solved

Subtract integers and add doubles

Create a function that subtracts a from b if a and b are integers and adds them if they are floats.

1 year ago

Solved

Count the number of folds needed to pack a large sheet

In a certain paper factory, large sheets of paper are being made every day. Before sending the sheets for shipment, they have to...

1 year ago

Solved

Calculate the sphericity of a Raschig ring

Sphericity is a measure of the roundness of any particle. It was defined by Wadell in 1935 as the ratio of the 'surface area of ...

1 year ago

Solved

Convert a temperature reading from Celsius to an unknown scale

Two of the most famous temperature scales are the Celsius and the Fahrenheit scale. In reality, however, there are so many other...

1 year ago

Solved

Sum of big primes without primes

Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to ...

1 year ago

Solved

Infinite precision division

Develop a function that will divide a very very large integer numerator, supplied to function as a string (e.g., '12233344445555...

1 year ago

Solved

Yoonir - 01

Find the area of a five-pointed star inscribed in a circle of radius r.

2 years ago

Solved

Verify Law of Large Numbers

If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

2 years ago

Solved

A "Complex" Converter: Rectangular Form <-> Polar Form

*BACKGROUND / MOTIVATION:* Complex numbers can be an important tool in an electrical engineer's toolbox because they can help...

2 years ago

Solved

Rescale Scores

Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

2 years ago

Solved

Calculate Inner Product

Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

2 years ago

Solved

Plot Damped Sinusoid

Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

2 years ago

Solved

Crop an Image

A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

2 years ago

Solved

Cube root of max value in a vector

Find the cube root of the maximum value in a vector

2 years ago

Solved

Calculate the average value of the elements in the array

Calculate the average value of the elements in the array

2 years ago

Solved

Calculate the number of elements in a matrix.

Calculate the number of elements in a matrix.

2 years ago

Solved

the average value of the elements

Calculate the average value of the elements in the array

2 years ago