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write a program that asks the user for the input of a number and returns the natural logarithm of the number if the number is posative, and displays a error message otherwise
If you have any questions about this homework problem, ask your instructor or read the link below to get started: How do I get ...

1年以上前 | 1

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Remove ignored complex values from a plot
Anything set to nan will not plot so you can set the imaginary locations to nan: imagLocations = (imag(y) ~= 0) % Set those lo...

1年以上前 | 0

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Fit Ellipse to structure in image
See the FAQ: https://matlab.fandom.com/wiki/FAQ#How_can_I_fit_an_ellipse_or_other_shape_to_a_set_of_XY_data? or see the attach...

1年以上前 | 0

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how to display both a text and a userInput on mask using system object?
Maybe try using sprintf with the names of your variables to create a string and then combine into a cell array of strings of dif...

1年以上前 | 0

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OCR not detecting numbers
Maybe it's too big. Try shrinking it down to smaller images: %-------------------------------------------------- % Read in or...

1年以上前 | 0

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Data Extraction from Image
I'd work on getting the formulas that generated that image instead of trying to do OCR on all the numbers in that image and some...

1年以上前 | 0

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Filtering Noisy GPS Altitude
How big are the jumps relative to the "normal" small amount of noise you expect to see? Do you want to filter everything or jus...

1年以上前 | 0

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I'm seeking help on extracting deposit profiles from images and using ANFIS models to plot corresponding profiles based on input parameters
I don't think 10 images is enough to train a neural network. Besides, this looks easy enough to use traditional image processin...

1年以上前 | 0

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License checkout failed. Invalid host. License Manager Error -9
See the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_message_when_I_try_to_run_M...

1年以上前 | 0

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I have a problem when I want to use a LPF on an image
I think your formula was all messed up. And you don't need to round until after the loops. But you don't even have to use loop...

1年以上前 | 0

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Adding license after trial for toolbox in home license use
Just simply call them on the phone to have this resolved in a few minutes.

1年以上前 | 0

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Why do i get a figure window that is completely blank
I have found out that if youi used App Designer to make a figure with some axes on it and then you do something like "hold on" o...

1年以上前 | 0

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Xlim error in App designer
You need to debug your program. See Debugging in MATLAB | Doug's MATLAB Video Tutorials After that, when you see an error tha...

1年以上前 | 0

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Listener not responding to ui slider
If you use AppDesigner then you can use the "Value changing" event to do an instantaneous/live updating of the displayed value. ...

1年以上前 | 0

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matlab程序闪退，Segmentation violation detected
When did this error occur? I got a very similar crash today (Access Violation, MATLAB needs to close) and it turned out it was ...

1年以上前 | 0

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How to join two images from end to end using matlab and what course of matlab I should learn for that?
Just stitch the images together using commas and brackets: % Stitch side-by-side wideImage = [image1, image2, image3, image4];...

1年以上前 | 0

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I want to connect the ends of the white contour in the image to form a complete circle, eliminating the gaps.
Here's another way: %----------------------------------------------------------------- % Read in and prepare the sample image....

1年以上前 | 0

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Matlab not running in garuda linux (very similar to manjaro)
I don't know, but if you do exactly what it says in the FAQ though, you should be up and running. https://matlab.fandom.com/wik...

1年以上前 | 0

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draw the missing internal side of points cloud of jug profile
If you write the points into a digital image you could use imdilate (to thicken the wall) then use bwboundaries to get the (x,y)...

1年以上前 | 0

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Match name to axis value in chart
How about this: load('matlab_pl.mat') x = pl(:, 1); y = pl(:, 2); stem(x, y, 'Filled', 'LineWidth', 2); grid on; xticklabe...

1年以上前 | 0

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Using multiple datasets to fit parameters simultaneously in SimBiology
Maybe I'm misunderstanding what you want to do, but why don't you combine both time vectors into a single time vector which you ...

1年以上前 | 0

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Refresh overlaid plots without "hold on/hold off" in each loop iteration
To clear the second set of markers, get a handle to them and call delete sc2 = scatter(x2,y2,'r','Parent',f1); % Create mar...

1年以上前 | 1

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automate scatter markers colours in groups
There is a function for exactly that, which makes it easy to color markers by group. It's called gscatter help gscatter

1年以上前 | 1

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The requested resource was not found.
See the FAQ and do exactly what it says in there and you should be up and running shortly. https://matlab.fandom.com/wiki/FAQ#A...

1年以上前 | 0

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Make calculation on line profile (Intensity) through object on image
To get the size (area), equivalent circular diameter, mean, max, and min intensities of the blob, why not simply threshold and c...

1年以上前 | 0

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Plots saved as JPEG look awful. How to improve?
If you're saving an image, use imwrite and save as a PNG format file. If you are saving an image and want the title, axes, and ...

1年以上前 | 0

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some variable viewer confusion
I believe you're checking it after you've overwritten it with code later on down in your script. Set a breakpoint on line 9 and...

1年以上前 | 0

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How do I fix a "Color data must be an m-by-n-by-3 or m-by-n matrix." error?
Before that image(imdata) line, do this and tell us what you see in the command window: whos imdata If you do that we'll see j...

1年以上前 | 0

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Request for MATLAB Code of Elephant Search Algorithm (ESA)
You might find some interesting things in the File Exchange: https://www.mathworks.com/matlabcentral/fileexchange/?q=elephant ...

1年以上前 | 0

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polyshape not closing a circle
You might try other ways of drawing the circle. Some might need the image processing toolbox, but try looking at viscircles, po...

1年以上前 | 0