# millercommamatt

### North Carolina State University

Atmospheric Research Scientist

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**Content Feed**

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

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

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

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

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

Date/Time Processing and Formatting Issues

dt = datetime(x,'InputFormat', 'yyyy:DDD:HH:MM:ss.SSSSSSSSS');

2 months ago | 0

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

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

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

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

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