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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...
2 months ago | 0
|accepted
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...
2 months ago | 1
|accepted
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...
2 months 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...
10 months ago | 1 answer | 0
1
answerQuestion
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...
1 year ago | 1 answer | 0
1
answerHow to use nlinfit for a function with a nested infinite sum?
嗨伊珊和克里斯,我attached an example. If you figured this out already I would be very grateful to see how you did it, sinc...
2年前| 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...
2 years ago | 2 answers | 0
2
answersHow 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)...
3 years ago | 0
|accepted
Write a MATLAB®
Hi Pamela, See //www.tianjin-qmedu.com/help/matlab/ref/plot.html and also //www.tianjin-qmedu.com/help/matlab/ref/fplot....
3 years ago | 0
Simple moving average code for forecasting stock prices
Hi Megawaty, Check out //www.tianjin-qmedu.com/help/matlab/ref/movmean.html Here is an idea: time = 1:1:100' %100 trading...
3 years ago | 1
|accepted
How to make an image straightener like that of cam scanner app?
Hi GMD, Check out //www.tianjin-qmedu.com/help/images/ref/imrotate.html Here is a bit of code where I implemented this type ...
3 years ago | 0
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...
3 years ago | 0
|accepted
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...
3 years ago | 15
|accepted
How to plot a complex power spectrum using MATLAB?
This might have what you are looking for //www.tianjin-qmedu.com/help/matlab/ref/fft.html You could transform the data from...
3 years ago | 0
|accepted
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...
3 years ago | 0
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 ...
3 years ago | 0
Where can I find the interactive signal processing tutorial?
This one is the official introduction to the toolbox //www.tianjin-qmedu.com/products/signal.html And here is an option from...
3 years 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...
3 years ago | 1 answer | 0
1
answerSubmitted
getUCDavisColors
Returns official colors for the University of California, Davis
3 years ago | 2 downloads |
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. ...
5 years ago | 2 answers | 1
2
answersQuestion
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 ...
5 years ago | 1 answer | 0
1
answerQuestion
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...
5 years ago | 1 answer | 0