Evan
Sandia National Labs/University of Louisville/Georgia Tech
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NOMBRE MOYEN DE LIKES
Contribute at least one answer each month for 3 consecutive months
Awarded to Evan on 20 Jul 2017
Accept 5 answers given by other contributors
Awarded to Evan on 20 Jul 2017
Solve all the problems in Indexing I
Awarded to Evan on 15 Jul 2019
Solve all the problems in Indexing II
Awarded to Evan on 10 Jul 2019
Solve Project Euler problems using Matlab
Awarded to Evan on 02 Jul 2019
Solve all the problems in Introduction to MATLAB problem group
Awarded to Evan on 02 Jul 2019
Solve a community group
Awarded to Evan on 21 Jun 2019
Answer 1 question that was unanswered for more than 30 days
Awarded to Evan on 20 Jul 2017
20 of your answers have been accepted
Awarded to Evan on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Evan on 20 Jul 2017
Solve all the problems in ASEE Challenge
Awarded to Evan on 06 Aug 2014
Feeds
Obtaining corresponding pixel indices in perspective-corrected image
I managed to find a solution to this problem. First note that this applies to MATLAB versions R2014b and earlier. While I can't ...
presque 9 ans il y a | 0
| A accepté
Fibonacci sequence, slightly different.
It seems to be quite close. You just need to make one small change. You should reference the seq variable using the index, k, no...
environ 9 ans il y a | 0
Extracting matrix diagonal with diag(A)
Does this fix your problem? a = eye(4,4) == 1; diag(a) While the *diag* function works fine, if you have a variable n...
environ 9 ans il y a | 0
| A accepté
Merge tables with different dimensions?
Does this example do what you need? A = randi(9,4,3) B = randi(9,4,5) C = randi(9,4,2) D(1:4,1:size(A,2)) = A;...
environ 9 ans il y a | 0
search for a code in a cell
key = [1 1 -1 -1] C{1} = [1 1 1 1];C{2}=[1 1 -1 -1];C{3}=[1 -1 1 -1];C{4}=[1 -1 -1 1] loc = find(cellfun(@(x)all(x == ke...
environ 9 ans il y a | 1
| A accepté
I need help creating a function for taking an array and reversing it and i have to use a for loop. I have looked online but i really dont know what i am doing?
There are built-in functions for this, such as *fliplr* and *rot90*. However, if you want to use a loop, think about the proc...
environ 9 ans il y a | 0
Difference Between a Number and Character Array
These links might be helpful for understanding data types in MATLAB, as well as classes in general: * <http://www.mathworks.c...
environ 9 ans il y a | 0
When zooming, 3D plotted data exceeds uipanel extent despite axes being clipped
While I'm able to replicate this in previous MATLAB versions R2012a, R2012b, R2014a as well as some releases prior to 2011, this...
environ 9 ans il y a | 0
| A accepté
Most Efficient Spreadsheet File
If Image Analyst's solution doesn't work for you, you might try *csvread*. Assuming you're able to save your data in .csv format...
plus de 9 ans il y a | 0
Question
Obtaining corresponding pixel indices in perspective-corrected image
I am attempting to warp an image taken from an off-center camera to produce an image that resembles the viewfield were it taken ...
plus de 9 ans il y a | 1 réponse | 0
1
réponseHow to reverse a number?
x = 1234; s = num2str(x) - '0'; xr = polyval(s(end:-1:1),10)
plus de 9 ans il y a | 2
User Defined input in form of a table
You can either import tabular data from excel using *xlsread* or create a GUI that contains a *uitable* with MATLAB. Creating yo...
plus de 9 ans il y a | 0
| A accepté
Counting element length in cells.
Look into <http://www.mathworks.com/help/matlab/ref/cellfun.html *cellfun*> >> A = {'Piggy'; 'gue7352892'; 'hdufhe~jf'}; ...
plus de 9 ans il y a | 9
switching pixel with defined colour in a matrix
If I is your image: I = imread('peppers.png'); R = I(:,:,1); G = I(:,:,2); B = I(:,:,3); Idx = reshape(randperm...
plus de 9 ans il y a | 1
| A accepté
Random number generation after time interval
I'm assuming this program involves a loop. If so, is each iteration quick enough that it's sufficient to simply check how much t...
plus de 9 ans il y a | 0
Is it possible to make graphs like this in MATLAB?
Have you tried *boxplot*? http://www.mathworks.com/help/stats/boxplot.html
plus de 9 ans il y a | 0
How to store user-generated text within a loop?
In order to store multiple strings, likely of different lengths, you will need to use a cell array. <http://www.mathworks.com/he...
plus de 9 ans il y a | 0
| A accepté
How can i get neighbors from 3D array but in the same order as the matrix ?
One way to do it: A = rand(5,5,5); B = false(size(A)); B(3,3,3) = true; %Point around which you want to find neighbor...
plus de 9 ans il y a | 0
how to ellipse fitting to connected object?
help regionprops This allows you to return the orientation, major axis length, and minor axis length of binary data with r...
plus de 9 ans il y a | 0
| A accepté
How to draw a two y axis and one x axis graph . The Two y axis should arrange in top and bottom and x axis should position in left side of the plot
If *plotyy* doesn't work for your purposes, you can create two axes with the same position, then set the 'Color' property of the...
plus de 9 ans il y a | 0
code to form a matrix by selecting some elements in another matrix
Look into the *randi* function.
plus de 9 ans il y a | 0
| A accepté
Problem in plotting a summation
Try out the *cumsum* function. Also it's worth noting that all the functions/operators you need (factorial, ./, .^, etc.) can al...
plus de 9 ans il y a | 0
for loop for matlab files
% where N is the number of files for i = 1:N load(['M' num2str(N) '.m']) end This will change based on whether...
plus de 9 ans il y a | 0
| A accepté
How to write program to choose random numbers from given input set?
see *randi*
plus de 9 ans il y a | 0
How to navigate through Struct/Cell from Matlab Gui?
For determining the datatype of the arrays selected by the user, see the *iscell* and *isstruct* functions. The *who* command ca...
plus de 9 ans il y a | 0
Plot doubt: how to fill the squares.
Try using the *MarkerFaceColor* property. Example: x = 0:pi/32:2*pi; y = sin(x); z = cos(x); plot(x,y,'s',x,z,'...
plus de 9 ans il y a | 0
| A accepté
How to know time that spent matlab in solving problem?
help profile or help tic Running *tic* and *toc* will simply tell you how much time passed between the respective ...
plus de 9 ans il y a | 0
Easy for loop question
i must be a real, *positive* integer. Because i starts at 1, and you reference A(i-1,2), your first iteration will try to access...
plus de 9 ans il y a | 1
How to retain only the positive root of a quadratic equation?
help imag So, if you wanted to return only roots without complex parts: R_all = roots([1 1 0 1]); R_real = R_all(~i...
plus de 9 ans il y a | 1
How to accept an answer in a comment?
If you can't get them to re-submit it themselves, and if flagging doesn't work, I would just copy+paste it into an answer of you...
plus de 9 ans il y a | 0
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