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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...

9 mois ago | 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...

9 mois ago | 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...

9 mois ago | 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...

9 mois ago | 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...

9 mois ago | 0

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Answered
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));

9 mois ago | 0

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Answered
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...

9 mois ago | 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...

9 mois ago | 0

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Access .mlapp data in .m file after app closes
Rather than waitfor(H), which waits until H is deleted, how about waitfor(H,propname,propvalue), where propname is some property...

9 mois ago | 1

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Answered
Find set of all adjacent points that are close to each other
How about this? logidx = abs(diff(Y)) < 0.022; Y_adj_close = Y([logidx 0] | [0 logidx]); Y_adj_close = 1.1000 1.1...

9 mois ago | 0

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How to find the peak value of a graph and how to plot them?
According to the findpeaks() documentation: "A local peak is a data sample that is either larger than its two neighboring sampl...

9 mois ago | 0

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How to assign NaN to consecutive elements of a vector, in intervals defined by a matrix
Try this: N = numel(x); idx = any((1:N >= z(:,1) & 1:N <= z(:,2))); x(idx) = NaN;

9 mois ago | 0

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Answered
Array dimensions must match for binary array op.
'cameraman.tif' and 'coins.png' are both grayscale, meaning your im is a NxM array and your code works. For any image with co...

9 mois ago | 0

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Answered
select specific values from a matrix based on indeces
I believe this will give you the values you want: temp = reshape(iMxR, 15, [])'; idx = sub2ind(size(temp), 1:size(temp,1), ix)...

9 mois ago | 0

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Answered
Offsetting error bars on plot and showing both positive and negative values.
If you plot the errorbars after you plot the bars, then they will show on top of the bars and you will be able to see the error ...

9 mois ago | 0

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Scatter plot with different color for points above the linear fit line
Here's a simple example using a linear regression, hopefully you find it helpful: % random data X = rand(100,1); Y = 0.5*X + ...

9 mois ago | 1

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Name a graph with the title of the sheets of excel
Perhaps like this? xlfile = 'RamYPabHumedad.xlsx'; [~, sheets] = xlsfinfo(xlfile); cmonths = 19; for i = 1:cmonths %itera...

9 mois ago | 0

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Answered
How to eliminate colormap?
When you supply a 2D array to image(), the values within that array are mapped to a colormap. The colormap is needed to convert ...

9 mois ago | 1

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Answered
How to make a log operation for a matrix excluding the '-inf' values?
k should span from 1 to size(IDHMA,2), similar to ii: for ii = 1: size (IDHMA,1) for kk = 1 : size (IDHMA,2) IDHMAlog (ii,...

9 mois ago | 1

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Answered
How to make specific elements of a matrix zero before nth element?
Boring: C = A; for i = 1:size(A,2) C(1:B(i)-1,i) = 0; end Ugly: C = A; [N,M] = size(C); C(~any((1:N*M)'>=N*(0:M-1)+B...

9 mois ago | 1

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Create new variable with only values of a certain variable
Try this: idx = mutualInfoTotal >= 5; % indices of values at least equal to 5 mutualInfoTotal = mutualInfoTotal(idx);

9 mois ago | 0

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How to get the data as output along with the histogram plot?
You could request output from histogram(): h = histogram(S,'Normalization','probability'); and access properties such as h.Bin...

9 mois ago | 2

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Finding pair values in a matrix
How about this? z = unique(sort(z,2),'rows');

9 mois ago | 0

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Concatenating 2 vectors into 1 vector with the values adjacent to each other
Should February 2012 map to 20122 rather than 20121? If so, maybe this will do the trick? month = repmat((1:12)', 5, 1); year ...

9 mois ago | 0

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Define a plot object but do not show the plot
plot_temperature=plot(day, temperature, 'Visible', 'off'); plot_rainfall=plot(day, rainfall, 'Visible', 'off'); Or if you don'...

9 mois ago | 0

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Answered
Change colour in stem plot, for only particuar values
You could overlay two separate stem plots: data = randi(10,10,1); idx = [4, 9]; ax = axes; hold(ax, 'on'); temp = data;...

9 mois ago | 0

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How to draw 2 different plot on a graph
hold on or set(gca, 'NextPlot', 'add') in between your calls to plot or however you are plotting.

9 mois ago | 0

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MATLAB GUI: How do I pass image matrix into function
In appdesigner, first make sure you are in code view: Then in the code browser on the left side, go to the tab labeled Proper...

9 mois ago | 0

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Answered
How do I change axes font (heatmap)?
Your code is crashing at this line: h.xlabel('FontName', 'Times New Roman'); The x label is set properly because of the previo...

9 mois ago | 1

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Answered
how to debugg the error : size input must be integers
nx = 1.5; % Number of grid points x-direction ny = 0.5; % Number of grid points in the y direction "size input must be integ...

9 mois ago | 0

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