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Chaoran Zhang


Tsinghua University

Last seen: 2年以上 前 |  2020 年からアクティブ

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解決済み


Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

2年以上 前

解決済み


Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

2年以上 前

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NaN

2年以上 前

解決済み


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

2年以上 前

解決済み


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 ...

2年以上 前

解決済み


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

2年以上 前

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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 ...

2年以上 前

解決済み


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

2年以上 前

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

2年以上 前

解決済み


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

2年以上 前

解決済み


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

2年以上 前

解決済み


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

2年以上 前

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

約3年 前

回答済み
Does fitrm & ranova support within subject models without between subject factors
Let me sum up the critical points for problems like this one. Some of them are mentioned in the above answers. If you want to d...

約3年 前 | 4

解決済み


Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

3年以上 前

解決済み


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...

3年以上 前

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

3年以上 前

解決済み


Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

3年以上 前

解決済み


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

3年以上 前

解決済み


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...

3年以上 前

解決済み


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

3年以上 前

解決済み


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...

3年以上 前

解決済み


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

3年以上 前

解決済み


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

3年以上 前

解決済み


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,....

3年以上 前

解決済み


Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

3年以上 前

解決済み


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...

3年以上 前

解決済み


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...

3年以上 前

解決済み


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

3年以上 前

解決済み


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

3年以上 前

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