
Samayochita
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bar with mean, std and significance star
Hey Gianluca, A bar graph can be created with error bars and significance stars in MATLAB using basic plotting functions like ...
14 days ago | 0
Fit Linear Model Using "fitlm(" With 3-Way and 4-Way Interactions
Hi Sarah, The issue is in the model specification string you are passing to “fitlm”. The model specification is specified as “i...
14 days ago | 0
paired ttest multiple groups loop?
Hi kcin, I understand that you are trying to automate paired t-tests across all unique group combinations, and prepare the resu...
15 days ago | 0
ttest - no data
Hi Seldeeno, I understand that the goal is to perform a t-test without raw data, using just the means, standard deviations, and...
15 days ago | 0
mafdr p-values are smaller than uncorrected?
Hi Caitlin, I understand that the issue being faced is that the FDR-adjusted p-values returned by the “mafdr” function are com...
16 days ago | 0
Adding values in memoize function
Hi mumin chy, I understand that the goal is to inject known input-output pairs into the cache of a memoized function, so that ...
16 days ago | 0
Ttest with two matrix
Hi Mimmi, It appears that the error is occurring because the “ttest” function in MATLAB expects numeric arrays as input, where...
17 days ago | 0
T-test for two z-normalized matrices in MATLAB
Hi IM, I understand that you want to compare two 25×25 correlation matrices (X and X1) elementwise and find out if they differ...
17 days ago | 0
paired t-test result interpretation
Hi Elvis, I understand that you want to know if the “ttest” function has been used correctly and how to interpret the t-test re...
18 days ago | 0
t test and f test
Hi Shahid, I understand that you are trying to calculate p-values for a t-test and an F-test between two independent data sets...
18 days ago | 0
Histogram Equalization in RGB
Hi Jony, In MATLAB, the “histeq” function works only on grayscale images. There are three options available to you depending o...
1 month ago | 0
set range for histogram
Hi Bindhu, To apply histogram equalization to an image and ensure that the resulting pixel values are constrained within a spec...
1 month ago | 0
How can I enlarge a subplot in a 'new' figure window by just clicking any of the subplot?
Hi Ajeya, The required functionality can be achieved in MATLAB by using the “ButtonDownFcn” property of each subplot which allo...
1 month ago | 0
Plotting a categorized dot (scatter?) plot
Hi Sam, I think the type of plot you are looking for here is the "strip plot" or "dot plot." A strip plot helps us visualize th...
1 month ago | 0
How do I shade plot area with increasing and decreasing shades of a color
Hi Michael, I understand that you are trying to create a scatter plot with gradient background that mimics the natural daylight...
2 months ago | 0
How to loop and store a recordblocking?
Hi Andrés Liu, I understand that you are trying to create 5 audio segments of 10 seconds each without overwriting previous r...
2 months ago | 0
Matlab help requesting user input and random integers
Hi Chris, I understand that you are trying to write MATLAB code that prompts the user for minimum and maximum integers, then as...
2 months ago | 0
A moving line on plot during audio play
Hi Mayank, I understand that you are trying to display a moving vertical line that progresses across the plot in real-ti...
2 months ago | 0
How to generate an prime random number??
Hi Priyanka, To generate a random prime number, you can use the “isprime” function (https://www.mathworks.com/help/matl...
2 months ago | 0
How to use myupdatefcn inside an 'if' loop
Hi Kris Adamatzky, I understand that you are trying to represent 100 songs as scatter plot points where each point is label...
2 months ago | 0
skewness in random numbers
Hi Tusu, I understand that you want to generate random numbers between 8 and 32, but instead of the numbers being completely ra...
2 months ago | 0
It is working, but when I uncomment the section that is comment inted or adding one song, it adds all of them.
Hi Enrico, I understand that you are trying to append one song, instead your code is appending the entire dataset (along with t...
2 months ago | 0
zoom scatter dots inside a figure
Hi mat, To make the scatter points appear to zoom proportionally with the figure, you can use ‘SizeData’ property (https://in....
3 months ago | 0
3-D radiation pattern
Hi Mike, To generate a 3D radiation pattern in MATLAB, you can use functions like “meshgrid”, “sph2cart”, “surf” etc. You can ...
3 months ago | 0
getframe didn't capture my axes properly
Hi Osama Alkurdi, I faced the same issue in MATLAB R2024a, but I notice that the issue is fixed in R2024b. Hope this helps!
3 months ago | 0
Scattered 3d data to contourf plot
Hi Tiago, Here are my observations: There is a difference in the syntax of scatter3() and contourf(). In “scatter3(X, Y, Z)”...
3 months ago | 0
How to create a date starting from a specific date and time line for x axis
Hi Dushan, I see that you are trying to create a time-based x-axis starting from a specific date and time (like 2/6/2021 7:...
3 months ago | 0
how can i calculate the value of Sigmoid Function for image in matlab ?
Hi Maryem, To apply the Sigmoid function to an image: Read the image Convert the image to grayscale Convert the image to do...
3 months ago | 0
i need to calculate fitness value and save that in separate .mat file
Hi SARAH, There are a couple of issues with your code: I explicitly checked the structure of “mch” and “residualenergy” by usi...
3 months ago | 0
How to add an arrow at the end of plot precisely using annotation
Hi Guilherme, You can achieve this using “quiver3” (https://www.mathworks.com/help/matlab/ref/quiver3.html) for the arrows and ...
3 months ago | 0