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Tommy


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326 2017 이후 총 참여 횟수

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Accessing an ROI move listener in another function so to delete it
Assuming you don't want to delete the ellipse, you could instead delete the listener within your button's callback function. You...

약 21시간 전 | 0

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Convert a vector into a matrix (row wise)
From the reshape() docs, for the syntax B = reshape(A,sz) "The elements in B preserve their columnwise ordering from A." If...

4일 전 | 1

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Combining x and y arrays and converting subsequent values
Assuming x and y are formatted like the following... [x,y] = meshgrid(1:1920,1:1080); ...then how about this? q = nan(size(x)...

6일 전 | 0

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Create matrix with different type of data and sort it based on one of its columns
For the following example: % example... A = strings(10,1); B = rand(10,1); you could use a table: % combine and sort... T ...

7일 전 | 0

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Patch color error "Vectors must be the same length."
The docs linked by Geoff mention that you can specify an n-by-1-by-3 array of RGB values (for n number of faces). I've defined c...

7일 전 | 0

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How to format output to exponential notation
This should work: fprintf('At voltage = %.2E nV\n',CurData(1,C)*10^9) If you don't want the plus sign: val = CurData(1,C)*10^...

7일 전 | 0

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How to return index of started specific pattern from array/matrix(column/rows)
See here: https://blogs.mathworks.com/loren/2008/09/08/finding-patterns-in-arrays/#7 idx = strfind(a, ex);

8일 전 | 1

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Change labels positions for pie chart
One option: https://www.mathworks.com/matlabcentral/answers/94801-why-do-the-pie-labels-overlap-when-the-wedges-are-very-small-...

9일 전 | 0

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How to fill a matrix column by column better than by a for loop?
How about something like this? xx = 0:0.1:1; nxx = numel(xx); nyy = 10; xm = repmat(xx',1,nyy); base = linspace(0,1,nyy);...

10일 전 | 1

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How to make the program more flexible
Here's a function that places an M x N grid of Xs within a rectangle defined by pos, as well as a few lines which use that funct...

10일 전 | 1

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Replacing Values in Matrix with NaN's based on Row and Column
Possibly, you could use sub2ind() to convert your rows and columns to linear indices: ind = sub2ind(size(yourMatrix), yourRows,...

12일 전 | 0

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Get the middle point of a matrix
Possibly MATLAB's convolution functions will be faster: % 1D case: B = conv(A, ones(2,1), 'valid') / 2; % 2D case: B = con...

13일 전 | 1

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Opening a figure saved in .fig with several plots and working on them separately
You could obtain handles to each of the axes within your figure and go from there: fig = openfig('myfig.fig'); ax_handles = fi...

14일 전 | 0

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Error When Using Writetable Function
It seems like writetable() has trouble handling the case where a variable in your table contains a cell which itself contains an...

14일 전 | 0

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Indexing a matrix in matlab according to conditions set on other matrices
Here's one way: result = (a <= 5 & b >= 6) .* c;

15일 전 | 1

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Plot with intervals for x axis
I believe stairs() is what you want: https://www.mathworks.com/help/matlab/ref/stairs.html

16일 전 | 0

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changing uislider position by script
sld = uislider(fig,... 'Orientation', 'vertical',... 'Position',[ 100 100 3 100],... ...

17일 전 | 0

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how to define a path in saveas command
Possibly like this? pathdatasave = 'E:\matlab'; saveas(gcf,sprintf('%s%03d.png', pathdatasave, i));

19일 전 | 0

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Disable Datatips on click
Not the greatest solution, but you could make the datatips invisible until your timer deletes them: dcm = datacursormode; dcm....

19일 전 | 1

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Index exceeds the number of array elements (5).
Likely a typo in line 56: As(6)=-l^2*cos(phi); %Spring node 6 % ^ should be Af? As it is, Af only h...

20일 전 | 0

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Why aren't my lines showing up on my graph?
Specify a marker to show scalar values. For example, a circle: plot (GT, IP, 'ro') Or are you trying to plot a range of pressu...

26일 전 | 0

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Plot only adjacent points that are close to each other
logidx = abs(diff(Y)) < 0.022; dY_idx = find([logidx 0] | [0 logidx]); Y_adj_close = Y( dY_idx ); Seems to me that every part...

26일 전 | 0

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Error Handling Question: How to Loop Until User Enters NUMBERS(!) in GUIDE gui edit boxes and then presses an "Update" button
Possibly, you ought to simply exit your callback function if the input is invalid? The values will then only be stored in your a...

27일 전 | 0

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giving color to output result
If you mean output to the command window, see this file exchange contribution from Yair Altman: https://www.mathworks.com/matla...

27일 전 | 0

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why there is only one value at my plot
Without the below period, MATLAB is performing right matrix division on two 1x151 vectors, resulting in a scalar value. t = 0:0...

27일 전 | 2

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How can I extract curve data from a .FIG file?
You could use findobj() on each figure to find the handles of the two lines. You can differentiate the lines by their LineStyles...

28일 전 | 0

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Options for displaying data by clicking on a marker in a plot
For R2018b and later: X = rand(10,1); Y = rand(10,1); IDs = randi(100,10,1); s = scatter(X, Y, 'x'); s.DataTipTemplate.Da...

28일 전 | 0

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Operands to the || and && operators must be convertible to logical scalar values.
Use & instead for element-wise and (or | for element-wise or): whitePixels=ext_rows((150<ext_rows) & (ext_rows<200));

28일 전 | 0

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How to plot log-scale with number ?
Maybe something like this? % data: X = 2*logspace(1, 3, 100); Y = rand(100,1); % labels to keep: labels = [20 30 50 70 10...

29일 전 | 1

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creating a new matrix without certain rows with elements below a certain value
If I'm understanding correctly, I believe your third line is enough (with the addition of a colon in the second subscript of M t...

29일 전 | 0

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