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Feeds
Backtrack iteration for loop
i think matlab for loop doesn't allow changing the iterator, you can use while loop instead.
más de 3 años hace | 1
| aceptada
how to know 'y' values of points when we only know 'x' values?
yes a perpendicular line has a negative inverse slope so if red lines has slope m1=(dy/dx)_red, then the black line has slope...
más de 3 años hace | 0
How to keep Matlab from messing up the formating in my excel file?
You can writetable and then fix the column width with an actxserver fullFilename = fullfile(pwd,'mysheet.xlsx'); % or whatever ...
más de 3 años hace | 1
| aceptada
Only abnormally large outlier values are removed, not small ones
your data has zeros that make the mean closer to the small peak. you should ignore the zeros, maybe you can throw them away OR ...
más de 3 años hace | 0
How to integrate the area below the peak when I dont have function of the peak?
Use conditional indexing to define the limits of extent for the peak. clear load("AR_data.mat") % remove nan values (why is...
más de 3 años hace | 1
| aceptada
How to properly color a surface in two different colours using surf function?
How about just 1 surface but you tweak the colormap x = linspace(-0.5, 0.5, 21); [X, Y] = meshgrid(x, x); Z = -2 * (cos(2*pi*...
más de 3 años hace | 1
| aceptada
Importing table from text file and matching header to column
I tried the import tool: Import data from file - MATLAB (mathworks.com) The code it generated for your data did not look as pre...
más de 3 años hace | 2
| aceptada
A rounding problem that falls under ceil and round
How about x=[0 20 50 100 101 900 901 1234]; % test numbers y = ceil(x/100)*100
más de 3 años hace | 0
| aceptada
translating each image column a distance according to the fitted curve
You can try circshift to shift the column vectors. But the result is not so good (i think), for example the length of the object...
más de 3 años hace | 0
Can someone help me to remove small region area with regionprops?
try bwareaopen: Remove small objects from binary image - MATLAB bwareaopen (mathworks.com) There is an example in the documenta...
casi 4 años hace | 0
| aceptada
Performing the transform on the below logic
Make a grid, evaluate the function and use fft2 to get the spatial spectrum. Here is an example, note function might be differe...
casi 4 años hace | 0
| aceptada
Fitting multiple data sets to single curve in least square sense
x1,x2,x3 are column vectors that you combined into a matrix, so then y was evaluated to a matrix also. nlinfit expects vectors ...
casi 4 años hace | 0
Vectorizing for loop for faster processing
You defined bin edges so you can try discretize: Group data into bins or categories - MATLAB discretize (mathworks.com) idx=1:1...
casi 4 años hace | 0
| aceptada
concatenate structures inside structures
since each frame has different sized structure array maybe you can use a cell for each frame clear; % example positions for ...
casi 4 años hace | 1
overlap ylabel with values axis
many ways to modify the label position: modify position property, if in latex add \quad, etc the easy way is to control the hor...
casi 4 años hace | 0
Create a patch which includes all the histogram profiles
If you can use uniform bin edges for all series then it can be simplified Here it is plotting white over the another color. You...
casi 4 años hace | 0
| aceptada
How to save each row as image in MATLAB
Edit: use rescale the entire dataset instead of each row. Edit: note in the example I put padding on the data to shape it into ...
casi 4 años hace | 0
| aceptada
Finding data on specific point from large set data
Import data (e.g. right click file -> Import data... -> generate code) Use scattered interpolant: Interpolating Scattered Data...
casi 4 años hace | 1
| aceptada
Subscript indices must either be real positive integers or logicals.
In matlab arrays are indexed starting at 1 so S_x(0) is an error. You can use another array to store the 'range' values rang...
casi 4 años hace | 1
How to draw a letter T ? the background is black and the letter itself white
The current white block A(100:200,100:200) goes from column 100 to 200, so if you just make it longer 100:400 you will get a whi...
casi 4 años hace | 1
Decide values of row in matrix for certain row intervals
since you are just changing the first number, use res(a:b,1)=1
casi 4 años hace | 0
Why do I get the error saying I did not assign values to a call? I did assign my values after getting them from a function though? Anyone able to help me out and explain?
Your p assignment is lowercase but output is uppercase
casi 4 años hace | 0
Can someone help me with this integration
you can do it without symbolic variables clear theta_s_vec = 0:0.1:pi/2; for ii = 1:numel(theta_s_vec) theta_s = theta_s...
casi 4 años hace | 1
Multiple line with different variable in a plot
Here is an example. Loop for each B but use pi_o as a vector in your calculations. clear; pi_o = 2:2:30; B=[3 5 8]; figure...
casi 4 años hace | 0
| aceptada
How to create ROI then know the total pixel number in ROI
You can use drawcircle to create a circular roi and then make a mask form it. Then you can sum or find the number of non-zero el...
casi 4 años hace | 0
| aceptada
How can I map a specific location in MATLAB using the drone images with corresponding gps data latitude and longitude?
You can use geoplot: Plot line in geographic coordinates - MATLAB geoplot (mathworks.com) Also: Create Maps Using Latitude and ...
casi 4 años hace | 1
Projectile Motion Equation with inputs of degree and first velocity
Here is an example Note you don't have to loop for each time value because matlab can perform calculations on the vector Note:...
casi 4 años hace | 0
How to apply masks created by roipoly to movie?
You can store the roipoly result in a cell array like this rois = cell(1,4) for ii = 1:4 rois{ii} = roipoly(I); end Wou...
casi 4 años hace | 0
Solving Integrations with Simpson's Rule
You need to declare Q as a function handle or use subs. syms r r0=3; Q = 4*pi*r*(1-r/r0)^(1/6); subs(Q,'r',0) %%% Alternati...
casi 4 años hace | 0
Is there a way to make this code output a plot with curved lines?
There might be an issue with your f or your jacobian After the first th2, your f~0 so norm(f)~0 and there are no convergence it...
casi 4 años hace | 0
| aceptada
