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warnerchang


Last seen: alrededor de 1 mes hace Con actividad desde 2021

Never be afraid to try something new

Programming Languages:
MATLAB
Spoken Languages:
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Resuelto


Make a Plot with Functions
Make a plot and test

4 meses hace

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Plotting Practice
Plot cos(x) vs x as shown in the figure below. Include the appropriate title, x-label, and y-label. Note, it is case sensitive. ...

4 meses hace

Resuelto


Dog Statistics
The vectors ht and wt contains the heights and weights of 20 golden retrievers. In some cases, it was not possible to make both ...

4 meses hace

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Determine if x is a combination of m and n
Given positive integers x, m, and n, determine if x can be written as x = am + bn for any (non-negative) integers a and b. Your ...

4 meses hace

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Create an arrow matrix
An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...

4 meses hace

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Calculating Student Grades
The matrix grades contains raw grades for 7 students who took your course. Each row represents a different student. The first 7 ...

4 meses hace

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Simpson's Paradox - Calculate correlation coefficients for groups of data
Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...

4 meses hace

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Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...

4 meses hace

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Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...

4 meses hace

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Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...

4 meses hace

Resuelto


Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...

4 meses hace

Pregunta


How to plot a 3D disk with several holes quickly?
I used "patch" to plot a 3D disk with single central hole successfully, however, I do not know how to plot a 3D disk with severa...

8 meses hace | 0 respuestas | 0

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Pregunta


Limit angle in [-90,90] degree
As I was using ode45 to solve ODEs, I do not know to limit the result in [-90,90] degree. Anyone may provide some help?

9 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


label is not at the center of axes
when I was plotting a 3D line, I tried to use xlabel/ylabel to make a axis label. However, I found these labels are not at the c...

10 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


how can I change lighting using codes?
Now, I plot a figure, however, it is dark. And I use the button to change the lighting, I am wondering whether there exists a me...

10 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


How to define a colormap easily
I tried to define a colormap, however it is rather difficult, because I have to choose a value and then I see what the color it ...

10 meses hace | 2 respuestas | 0

2

respuestas

Pregunta


what is the time complexity of function 'reshape'
anyone knows what is the time complexity of function 'reshape'?

10 meses hace | 2 respuestas | 0

2

respuestas

Pregunta


why use limit function goes wrong
syms x f=(2/pi*atan(x))^x; limit(f,x,inf,'right') Prompt:Inconsistent limit direction. however,I tried to transform the f...

10 meses hace | 1 respuesta | 0

1

respuesta

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How to adjust the brightness of an image in YCbCr color space
anyone know how to adjust the brightness of an image in YCbCr color space?

10 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


Why two methods give different results, and which is correct?
I use ode15i and ode45 to solve an implicit function, however two methods give different results, which is correct? clear clc ...

10 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


why it will go wrong using 'cell'?
Recently, I ran two codes as follow: a={[],[]};a{1}(a{1}==3)=[]; % it will go wrong b=cell(1,2);b{1}(b{1}==3)=[];

10 meses hace | 1 respuesta | 2

1

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Find Logic 1

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