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...

2 years 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...

2 years ago | 0

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...

2 years ago | 2

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...

2 years ago | 0

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...

2 years ago | 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));

2 years ago | 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...

2 years 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...

2 years 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...

2 years ago | 1

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Find set of all adjacent points that are close to each other

2 years 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...

2 years 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;

2 years ago | 0

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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...

2 years ago | 0

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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)...

2 years ago | 0

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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 ...

2 years 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 + ...

2 years 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...

2 years ago | 0

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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 ...

2 years ago | 1

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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,...

2 years ago | 1

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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...

2 years ago | 1

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);

2 years 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...

2 years ago | 2

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Finding pair values in a matrix

2 years ago | 0

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 ...

2 years ago | 0

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'...

2 years ago | 0

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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;...

2 years 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.

2 years ago | 0

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...

2 years ago | 0

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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...

2 years ago | 1

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