Rescale Scores
Each column (except last) of matrix X contains students' scores in a course assignment or a test. The last column has a weighted...
3年弱 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 several classi...
3年弱 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 rating at which yo...
3年弱 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年弱 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 inch = 2...
3年弱 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年弱 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年弱 前
解決済み
Solve a System of Linear Equations
Example:
If a system of linear equations in x₁ and x₂ is:
2x₁ + x₂ = 2
x₁ - 4 x₂ = 3
Then the coefficient matrix (A) is:
2 ...
3年弱 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年弱 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 you n...
3年弱 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年弱 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 Celsi...
3年弱 前
解決済み
MATLAB Basic: rounding IV
Do rounding towards plus infinity.
Example: -8.8, answer -8
+8.1 answer 9
+8.50 answer 9
3年弱 前
解決済み
MATLAB Basic: rounding III
Do rounding towards minus infinity.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 8
3年弱 前
解決済み
MATLAB Basic: rounding II
Do rounding nearest integer.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 9
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年弱 前
解決済み
Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes.
---
If you want to get a random permutation of integer...
3年弱 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年弱 前
解決済み
Number of 1s in a binary string
Find the number of 1s in the given binary string.
Example. If the input string is '1100101', the output is 4. If the input stri...