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Robert Brown


Last seen: 3 meses hace |  Con actividad desde 2021

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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...

más de 3 años hace

Pregunta


how can I gracefully exit a while loop, when reading from a data file of variable length, and the file may terminate abruptly and incompletely when written
here is some sample code with comments on what is happening... (actual code reads huge file with huge messages... shortened her...

más de 3 años hace | 2 respuestas | 0

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Respondida
how to create matrix?
you can specify the elements of a 3x3 matrix as follows: >> a = [1 2 3; 4 5 6; 7 8 9] the result will be a = 1 2 ...

más de 3 años hace | 0

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How do I plot a point on a graph?
Add these lines to the bottom of your code, to plot the desired value as a red asterisk on the existing plot with the other data...

más de 3 años hace | 2

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How can I determine the y-intercept from known x and y values?
define a vector, x x = 1:10 define a slope, m define an intercept, b NOTE: I did this for the example, to generate the da...

más de 3 años hace | 0

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DCT transformation
Couldn't find your image, so I found 'rice.png' within MATLAB I = im2double(imread('rice.png')); Display the rice.png image,...

más de 3 años hace | 0

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How to make lines plotted as dots for discontinuous data more visible in legend?
Following Chris LaPierre's advice above... plot the graphs as a group with lines at only the first point, then plot the the gra...

más de 3 años hace | 1

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Respondida
Why is my code a matrix and not a double
1 e = [0.01; 2 0.1; 3 0.5; 4 0.9]; 5while j <= 4 6 while i <= 7 7 if M(i,j) > -pi && M(i,j) < 0 || M...

más de 3 años hace | 0

Resuelto


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

más de 3 años hace

Resuelto


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,....

más de 3 años hace

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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...

más de 3 años hace

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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...

más de 3 años hace

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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...

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

más de 3 años hace

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

más de 3 años hace

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Add two numbers
Given a and b, return the sum a+b in c.

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

más de 3 años hace

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 3 años hace

Respondida
Quantization of a standard Cosine signal
%% Description of Z1 First, we recognize that loop is equal to sample number. So L_level(loop) is the quantization level of th...

más de 3 años hace | 0

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Derivation of sin(x) gives false cos(x)
Technically, the gradient is extrapolating data!!! When you have a series of position measurements..... you require 2 positio...

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Respondida
regarding music note code can anyone explain this code line by line?
First trick with understanding this code is that you need the *.wav file. WAV is an audio recording format. Without that, the...

más de 3 años hace | 0