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Binbin Qi


China University of Petroleum

3 649 total contributions since 2009

Professional Interests: Machine Learning/ Math/ Geophysics

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Solved


Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

environ 12 heures ago

Solved


square a number twice with square root of 4/5
square a number twice with square root of 4/5

environ 12 heures ago

Solved


Sum Sum Sum!
Calculate the sum of the natural numbers from 1 to n

4 jours ago

Solved


Perimeter of a square!
Calculate the circumference of the square whose side is n

4 jours ago

Solved


Triangle???
Calculate the circumference of an equilateral triangle with x

4 jours ago

Solved


Sum sum!!!
Sum the numbers from 1 to n

4 jours ago

Solved


Calculate the square root of a number
Input a Output b = srt(a)

4 jours ago

Solved


calculate the length of matrix
input 1 array, calculate the length

4 jours ago

Solved


Find the max element of the array
Find the max element of the array

4 jours ago

Solved


to the 2 all elements
to the 2 all elements

4 jours ago

Solved


easy problem
Find the last element of the array

4 jours ago

Solved


the average value of the elements
Calculate the average value of the elements in the array

4 jours ago

Solved


Converts numbers into characters
Converts numbers into characters

4 jours ago

Solved


Duplicate all elements in the array
Duplicate all elements in the array

4 jours ago

Solved


Chào các bạn.
Cho 3 số. Tính tổng của chúng

21 jours 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|...

21 jours ago

Solved


What time can I drive after drinking?
At T o'clock, after a hard day of Matlab, I immediately start drinking and treat myself to N pints of tasty beer. Each beer I dr...

environ un mois ago

Solved


Pascal's Equilateral triangle inside a Matrix!!!
Given a number of row 'n', generate the following pascal's matrix 'p' where spaces are filled by 'zeros'. number of row, n = ...

environ un mois ago

Solved


Efficiency of a single phase Transformer
Calculate the efficiency of a single phase transformer whose KVA rating is A KVA, loading factor x,power factor p,full load copp...

environ un mois ago

Solved


Float like a cannonball
Given gravity on earth (g=9.81 [m/s/s]) find the distance s [m] by a cannonball propelled at a speed of u [m/s] from the origin ...

environ un mois ago

Solved


Square root of number
Square root of given number.

environ un mois ago

Solved


Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. The element values ...

environ un mois ago

Solved


Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

environ un mois ago

Solved


Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the rolls is likely to be close to the expected value of a sin...

environ un mois ago

Solved


Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

environ un mois ago

Solved


Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

environ un mois ago

Solved


Calculate BMI
Given a matrix |hw| with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 inch = 2.54 centimet...

environ un mois ago

Solved


Solve a System of Linear Equations
Given a constant input angle θ(theta) in radians, create the coefficient matrix(A) and constant vector(b) to solve the giv...

environ un mois 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...

environ un mois ago

Solved


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt).cos(2πft)| Given inputs λ ( |lambda...

environ un mois ago

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