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Rhys


Loyola Marymount University, Jefferson Lab

60 total contributions since 2012

Professional Interests: Physics, Particle Physics, Space Physics, Accelerator Physics, Plasma Physics

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Question


creating a custom exponential fit
%%%%% RESOLVED %%%%% Hi Everyone, I am working on creating a GUI for my lab to easily create graphics from raw data files....

6 years ago | 0 answers | 0

0

answers

Answered
how to use function handle
Hi! to define your function you can use the inline() command and then to plot you can use the fplot() command. Your code may ...

7 years ago | 0

Question


problem with errorbars and export_fig
Hi everybody, I have come across a strange problem while using export_fig(). It does not seem to export errorbars x=1:10;...

7 years ago | 2 answers | 0

2

answers

Question


Saving a Figure from inside a GUI
Hi all! I have been designing a few GUIs to make some data analysis easier. At the end process however I want to be able to ...

7 years ago | 1 answer | 0

1

answer

Question


Changing Axis in a GUI and Saving a figure in a GUI
Hi everyone I am having a bit of a problem with a GUI I am writing. The GUI plots a selected set of data from a list and has fou...

7 years ago | 1 answer | 0

1

answer

Solved


surface of a spherical planet
you just discovered its circumference, that is the input.

7 years ago

Solved


Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

7 years ago

Solved


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

7 years ago

Solved


Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

7 years ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

7 years ago

Solved


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

7 years ago

Solved


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

7 years ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

7 years ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

7 years ago

Solved


radius of a spherical planet
you just measured its surface area, that is the input.

8 years ago

Solved


How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

8 years ago

Solved


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

8 years ago

Solved


inner product of two vectors
inner product of two vectors

8 years ago

Question


MatLab datenum truncated in matrix
I am writing a code for a research project in space physics and at the very end I output a matrix with time, and the magnetic fi...

8 years ago | 1 answer | 0

1

answer

Solved


Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

8 years ago

Solved


Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

8 years ago

Solved


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. Example...

8 years ago

Solved


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

8 years ago

Solved


Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable

8 years ago

Solved


Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

8 years ago

Solved


given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

8 years ago

Solved


Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

8 years ago

Solved


Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

8 years ago

Solved


Back to basics 12 - Input Arguments
Covering some basic topics I haven't seen elsewhere on Cody. Return a value equal to the number of input arguments to the fun...

8 years ago

Solved


Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

8 years ago

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