Adam Danz
University of Rochester
Email: feel free to contact me regarding my shared files on the file exchange. I don't do free consulting outside of the forum so if you have a Matlab question, post the question to the forum and you may email me the link to the question.
About me: Recently earned a Ph.D. at the University of Rochester on topics related to vision science; neurophysiology, sensory-motor systems, control systems, steering & navigation, and multisensory integration.
"If I had only one hour to save the world, I would spend fifty-five minutes defining the problem, and only five minutes finding the solution." -Albert Einstein
"An expert is a person who has made all the mistakes that can be made in a very narrow field." -Niels Bohr
"If you are not embarrassed by the first version of your product, you've launched too late" - Reid Hoffman
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Content Feed
Can Any one help me, how to import this function in matlab?
This uses a vector of inputs. f = @(x)(prod([x(1),x(2),x(3),x(5),x(3)-1])+x(4)) ./ (1 + x(2)^2 + x(3)^3); k = 5; % dem...
2 days ago | 1
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Define condition for both imaginary and real parts of numbers
x = pi + i if real(x)~=0 && imag(x)~=0 disp("YES") end
2 days ago | 0
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Row and column of numbers in matrix
[rowNum, colNum] = find(matrix == value) Or, if you're working with floating point decimals, [~, minIdx] = min(abs(matrix - v...
2 days ago | 0
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How to get the confidence interval for bootstrap?
Why are you sorting s? There's no need to manually eliminate the NaN values and there's no need to use a loop. Here's a demo...
2 days ago | 0
How can I skip the first to lines from a text file and proceed to read the file with header lines in between the values?
You could use readtable and then eliminate the columns and rows associated with the header lines. T = readtable('https://www.m...
2 days ago | 0
How to make a bar graph out of the first and second column of a matrix?
sleeprxn2= [ 0 0.6229 1.0000 0.3404 1.0000 0.2744 ] [groups, gro...
4 days ago | 1
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How do I rotate the view of a cylinder created using surf plot?
Use makehgtform to translate and rotate the object. [X,Y,Z]=cylinder([0 3],1000); M=makehgtform('translate',___,'xrotate',___,...
4 days ago | 1
I want to obtain the values of streamlines and put it into legend.
Your contour lines are all black so a legend of black lines would not be helpful to map the contour values to the plot. I recomm...
7 days ago | 0
Will polyfit work with datetime vectors
I'm also looking for a solution to this and specifically am interested in the y-intercept of a simple linear fit so I can plot t...
9 days ago | 0
remove the zeros in the Matrix
Here's how to remove rows or columns that contain only 0s data = [0 0 0 0; 0 4 5 2; 0 2 5 4; 0 2 4 1] rowsAll0 = all(data==0...
9 days ago | 0
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Adjust legend position outside the figure layout
Since you're using tiledLayout the best option is to specify the layout as shows in this example. lh =legend(__); lh.Layout.Ti...
9 days ago | 0
Is there a better way to initialize the DataTipTemplate field in primitive objects?
I've had this problem with patch objects in the past and I solved it by doing something similar to what you suggested, making a ...
10 days ago | 0
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Divide date ticks into hours
Use xtickformat | ytickformat | ztickformat which sets the TickLabelFormat of the axes (Matlab R2016b or later) datetick(tick...
10 days ago | 0
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How do I round this datetime to the nearest 0.1 second?
dt = datetime(' 01-Oct-2020 04:49:10.350','Format', 'dd-MMM-uuuu HH:mm:ss.SSS') dtRound = dateshift(dt,'start','minute') + seco...
10 days ago | 0
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Do not plot the shape in the middle and polar transformation
This demo uses a cleaned up version of your code and then does the following, Computes center of noisy circle Shifts noisy ci...
10 days ago | 0
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Finding the full width half maximum (FWHM) of a rounded part of peak instead of sharp peaks
This uses rmoutliers to remove the spike and then computes the FWHM of the resultant curve. You can play around with rmoutliers ...
10 days ago | 1
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ttest and confidence interval
I assume you're intentionally avoiding the std() function. However, your calculation of standard deviation is incorrect. s=sq...
10 days ago | 1
Difference between two statements
Good question. See this discussion and if you have any other questions or comments, let's continue the disucssion.
10 days ago | 1
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the function should find the min value in each row, when I run the code it doesnt print the correct answer. Anyone know whats wrong?
The function returns "A" which is the entire matrix. If you want it to return the minimum value, it should return "min". Howev...
10 days ago | 0
How to keep menu open when selecting option
I have also found this default beahvior frustrating but I do not know a way to keep the menu open after making a selection. I s...
11 days ago | 1
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How can I create another window from menubar in appdesigner ?
I suggest calling an input dialog window from the menu item's callback function. See inputdlg.
11 days ago | 0
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Name Contour levels outside plot
The following demo produces a contourf plot extracts the coordinates of the contour lines determines which lines intersect w...
12 days ago | 1
Removing "head" entry from doubly linked list
To achieve a circular list where the first and last nodes are circularly connected, follow these 2 steps. Step 1: Modify the c...
12 days ago | 1
How I can use K-fold cross validation for training selection sequentially not randomly?
I suggest identifying each group with a grouping variable. groupID is the grouping variable. % Set these values n = 540; ...
12 days ago | 0
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How to highlight a point?
There are 3 steps to this process. Get the current point of the cursor Find the closest point to the cursor when the cursor i...
13 days ago | 0
Is it possible to only allow brush to select data from certain lines in a plot?
Set HandleVisibility to off (or callback) for the graphics objects you'd like to hide from the brush tool. Note that this will...
13 days ago | 1
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Trying to create a table with a char array as variable names
This demo creates the table you described using random text. histcounts is used to count the number of each letter. The counts...
13 days ago | 0
how do you define a matrix and its variable
Learn about preallocation. Options: i = 4; j = 3; M = nan(i,j) M = ones(i,j) M = zeros(i,j)
13 days ago | 0
how do i create a concentric black and white circles on a color image with different brightness
This uses the gray colormap. n = 20; % number of circles r = [1,10]; % [smallest, largest] radius center = [0,0]; % cen...
13 days ago | 0
How do I start a function at the exact computer clock time?
> How do I start a function at the exact computer clock time? It depends on how you define "exact" and "start". If "start" m...
13 days ago | 0
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