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Clay Swackhamer


UC Davis

Last seen: 19 dagen ago Active since 2017

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Answered
For loop that executes data from an excel file, your mission should you choose to accept it
Here is some code that reads a simple excel table (attached) and calculates a new variable based on the function "ECEF_function"...

20 dagen ago | 1

| accepted

Answered
What should go in a next-generation MATLAB X?
My wish list: A real, beautiful dark theme Improving the appearance of figures. Reduce padding around subplots, set default ax...

21 dagen ago | 0

Answered
how to use if else statement
Hope this helps. It uses an example built in dataset (carbig) to demonstrate some basics of working with data in tables. As with...

ongeveer 2 maanden ago | 1

| accepted

Answered
Create a column vector with elements counting down from 200 to 0 in increments of 5
Try transposing your output to flip it from a row vector (list of numbers going horizontally) to a column (list of numbers going...

ongeveer een jaar ago | 0

Answered
Plotting end points from different arrays
Hi AJ, I'm not entirely sure about your question, since you ask to "plot the end points of these variables (a, e, de, da) again...

meer dan een jaar ago | 0

| accepted

Answered
Help with table variables calculation
% Define the table T = table; T.rank = [1,3,2,4,2,5,1,3,2,4]'; T.rank = categorical(T.rank); % Create another column to st...

meer dan een jaar ago | 1

| accepted

Answered
How to plot this function with the interval of [-2,2]?
% Define x x = linspace(-2,2,1000); % Define function y = x + 1-2*sin(pi*x); % Estimate roots as values less than a tole...

meer dan een jaar ago | 0

Question


Features that will help me detect this object?
I would like to detect an object in digital images (photos attached). It is a small nut. Sometimes I can successfully detect it...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


fitnlm either runs perfectly or crashes with nearly identical data
I am using fitnlm to do a simple curve fit. Most of the time it runs perfectly, but every now and then nearly identical data wil...

bijna 3 jaar ago | 1 answer | 0

1

answer

Answered
How to use nlinfit for a function with a nested infinite sum?
Hi Ishan and Chris, I attached an example. If you figured this out already I would be very grateful to see how you did it, sinc...

ongeveer 3 jaar ago | 0

Question


Change yticks using a stacked plot
Hello, I am using the stackedplot function to display multiple series of data that share the same x axis. I would like to chang...

bijna 4 jaar ago | 2 answers | 0

2

answers

Answered
How can i shift plot?
p=[1/6 1/6 1/6 1/6 1/6 1/6]; q= conv(p,p); r=conv(q,p); rr=conv(r,p); rrr=conv(rr,p); rrrr=conv(rrr,p); subplot(2,2,1)...

meer dan 4 jaar ago | 0

| accepted

Answered
Write a MATLAB®
Hi Pamela, See https://www.mathworks.com/help/matlab/ref/plot.html and also https://www.mathworks.com/help/matlab/ref/fplot....

meer dan 4 jaar ago | 0

Answered
Simple moving average code for forecasting stock prices
Hi Megawaty, Check out https://www.mathworks.com/help/matlab/ref/movmean.html Here is an idea: time = 1:1:100' %100 trading...

meer dan 4 jaar ago | 1

| accepted

Answered
How to make an image straightener like that of cam scanner app?
Hi GMD, Check out https://www.mathworks.com/help/images/ref/imrotate.html Here is a bit of code where I implemented this type ...

meer dan 4 jaar ago | 0

Answered
fitting a parabola giving unreasonable answer
Two things: I changed your independent values (r) to something that is not so small. Second, I made your equation more simple. I...

meer dan 4 jaar ago | 0

| accepted

Answered
How to save animated plots
%% Make some data t = 1:0.1:2*pi y = sin(t) %% Initialize video myVideo = VideoWriter('myVideoFile'); %open video file my...

meer dan 4 jaar ago | 18

| accepted

Answered
How to plot a complex power spectrum using MATLAB?
This might have what you are looking for https://www.mathworks.com/help/matlab/ref/fft.html You could transform the data from...

meer dan 4 jaar ago | 0

| accepted

Answered
need help in matlab graph
SINR = rand(15,30) %15 x 30 matrix of random numbers Pt = linspace(-30, 30, 15) %create a vector from -30 to 30 with 15 entries...

meer dan 4 jaar ago | 0

Answered
problem with determining the area of an object in a binary image
You could try running the same code, except instead of using bwarea you could try summing all the pixels in the image. Since in ...

meer dan 4 jaar ago | 0

Answered
Where can I find the interactive signal processing tutorial?
This one is the official introduction to the toolbox https://www.mathworks.com/products/signal.html And here is an option from...

meer dan 4 jaar ago | 0

Question


Simple compression of cylinder- results of finite element model don't make sense
I am trying to simulate the steady state compression of a cylinder using finite element analysis. The model that I have runs, bu...

meer dan 4 jaar ago | 1 answer | 0

1

answer

Question


Perimeter used by regionprops
Hi all, I am using the output of bwconncomp as an input to regionprops to calculate some values for blobs in a binary image. ...

ongeveer 6 jaar ago | 2 answers | 1

2

answers

Question


Modify line style with insertShape
Hi all, I wrote a function to make a grid on an image. I can either draw the grid on top of the image or burn/insert it into ...

ongeveer 6 jaar ago | 1 answer | 0

1

answer

Question


Vectorize loop for image manipulation
I have a black and white image (Ibw), and I want to take a circular region from it, and place it on a white background. I made...

meer dan 6 jaar ago | 1 answer | 0

1

answer