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millercommamatt


North Carolina State University

Active since 2013

Atmospheric Research Scientist

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Answered
Counting number of white > 5 Pixel objects in BW image
You should be able to to something like this. I'm waiting on a slow scatter interpolation on my client to finish so I haven't te...

2 days ago | 0

Answered
Colorbar with histogram next to it
You can do this in Matlab. However, there's nothing like this built in, so you're going to have the handle all the placements of...

5 days ago | 0

| accepted

Answered
Timestamp - x axis
It's because you're turned your datetime type variable into a datenum and plotted that. Datenums are the number of days since Ja...

5 days ago | 0

Answered
Why does my .csv file create spaces between each of my data points? It makes it to where I cannot graph precipitation against the date.
You're defining the columns as strings so the output is going to include whitespace. You want something like: ... data = ...

5 days ago | 0

Answered
Plotting surface returns error
Your first two inputs need to be reversed. That is, the order in which they are provided to the function need to be switched.

5 days ago | 0

| accepted

Answered
Date/Time Processing and Formatting Issues
dt = datetime(x,'InputFormat', 'yyyy:DDD:HH:MM:ss.SSSSSSSSS');

2 months ago | 0

Answered
My code is only returning the last output
vec = mat(i,end); In this line you're always using the last column by specifying end. I think you want: vec = mat(i,:); If I'...

2 months ago | 0

Answered
Mask image in Matlab
I think imclose will do what you want. https://www.mathworks.com/help/images/ref/imclose.html

2 months ago | 0

Solved


SatCom #1: Wavelength of an electomagnetic wave
*Satellite and Space Engineering - Problem #1* _This is the first of a series of problems looking at topics in satellite and ...

2 months ago

Solved


Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 . Example: n=5 ans= [1 0 0 0 1 1 1 0 0 1 1 0 ...

2 months ago

Solved


Draw a 'X'!
Given n as input Draw a 'X' in a n-by-n matrix. example: n=3 y=[1 0 1 0 1 0 1 0 1] n=4 y=[1 0 0...

2 months ago

Solved


Draw 'J'
Given n as input, generate a n-by-n matrix 'J' using 0 and 1 . Example: n=5 ans= [0 0 0 0 1 0 0 0 0 1 0 0 ...

2 months ago

Solved


Draw 'F'
Draw a x-by-x matrix 'F' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 1 1 0 0 0 0 ...

2 months ago

Solved


Draw a 'Z'.
Given _n_ as input, generate a n-by-n matrix like 'Z' by _0_ and _1_ . Example: n=5 ans= [1 1 1 1 1 0 0 0 1 ...

2 months ago

Solved


Draw 'I'
Given n as input, draw a n-by-n matrix 'I' using 0 and 1. example: n=3 ans= [0 1 0 0 1 0 0 1 0] n=...

2 months ago

Solved


Draw 'H'
Draw a x-by-x matrix 'H' using 1 and 0. (x is odd and bigger than 2) Example: x=5 ans= [1 0 0 0 1 1 0 0 0 1 ...

2 months ago

Solved


Draw 'D'.
Draw a x-by-x matrix 'D' using 0 and 1. example: x=4 ans= [1 1 1 0 1 0 0 1 1 0 0 1 1 1 1 0]

2 months ago

Answered
file parsing identifier need to choose the correct identifier
st = '04_T_A_tx01_3009.txt'; id_cell = regexp(st,'tx\d+','match'); id_char = id_cell{1};

2 months ago | 0

Solved


Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifm...

3 months ago

Solved


Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

3 months ago

Solved


Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

3 months ago

Solved


Draw a '0' in a one matrix!

3 months ago

Solved


Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

3 months ago

Solved


Converts numbers into characters
Converts numbers into characters

3 months ago

Solved


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

3 months ago

Solved


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

3 months ago

Solved


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

3 months ago

Solved


Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

3 months ago

Solved


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

3 months ago

Solved


to the 2 all elements
to the 2 all elements

3 months ago

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