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How to create a standalone executable file?
You can create standalone executables using MATLAB compiler. A product information page is here: https://www.mathworks.com/pro...

4年以上前 | 0

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3D surface plot
You can interpolate using a scatteredInterpolant to make a matrix over the range of X and Y and then use surf to draw it, but I ...

4年以上前 | 1

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Splitting an array by the value
You can do this really easily with groupsummary x=[9 9 6 4 4 7 9 9 9 9 9 9 9 7 7 5 7 7 9 9 9 9 9]; y=[95.4508 85.2212 97.6083 ...

4年以上前 | 3

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How do I deidentify geoplot data?
You can turn off the Tick marks with the TickDir property on the GeographicAxes: geoplot(42+rand(10,1), -71+rand(10,1)) ax=gca...

4年以上前 | 1

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How to bin polar coordinates
The way you've written the code, the number of outputs in yBinned depends on how many of the bins of X were populated. edges = ...

4年以上前 | 1

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Using readtable to import a 5x1 column from Excel is missing one element. Why??
readtable detected the first value as a variable name Just add 'ReadVariableNames', false to your call to readtable (if you don...

4年以上前 | 0

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How can I add x and y ticks to my imagesc graph?
When you use image (or imagesc), the values in the matrix are distributed evenly. Changing the ticks just changes what's labels....

4年以上前 | 0

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Create closed curve from intersection between multiple curves
polyshape is pretty good for this, but you need to give it polygons not curves (i.e. define what's inside and what's outside). N...

4年以上前 | 2

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Conditionally replace numerical Array with Strings
This is happening because old_array is an array of doubles, you can't have a mix of strings and doubles in a regular (i.e. not c...

4年以上前 | 0

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cut of zeros from a matrix based on the longest non-zero row
Another way to phrase this question is to say you want to remove columns from the right side of the matrix if the whole column i...

4年以上前 | 0

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RGB to Grayscale without using rgb2gray
You can choose many approaches for converting to grayscale. For instance you could weight the three colors equally: im=imread('...

4年以上前 | 0

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Use of 2D colormaps possible in Matlab?
There's nothing (that I know of) that provides this as a built-in utility in MATLAB, but it's pretty easy to do this kind of thi...

4年以上前 | 0

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How to find correlations of corresponding rows of two arrays?
The correlations of columns are the diagonal of the correlation matrix, so you can Transpose your matrices on the way in to co...

4年以上前 | 0

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How to add 3 x-axies onto a double subplot?
You can sort of fake this kind of thing with TiledChartLayout. The layout will keep your axes lined up. Starting simple, with...

4年以上前 | 0

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Quiver plot appears upside down.
Images are normally shown in what's called ij coordinates, meaning (in the all positive number case) the top left corner is 0,0,...

4年以上前 | 0

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y-axis are still inverted despite using fftshift
Your code doesn't run and you didn't include an image, but in general, when you call imagesc it will plot in ij coordinates, mea...

4年以上前 | 0

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Set default value for axes LabelFontSizeMultiplier
The pattern is the same, or maybe I misunderstand the question? When you get defaults from groot, it won't show all defaults a...

4年以上前 | 0

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How to write a code in Matlab having two conditions?
In MATLAB indices start with 1: n=2048; %samples fs=1024; %sampling frequency T=1/fs; t = (0:n-1)*T; F=zeros(length(t)); ...

4年以上前 | 0

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Invalid use of operator while trying to plot surface
A few issues: There's no .- in MATLAB, you use the dot to indicate you want a element-wise operation instead of a matrix operat...

4年以上前 | 0

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Is it possible to give an categorical date set values so it can be used for a plot.
Note that you can plot categorical variables in a variety of ways. Passing your categoricals directly into your plotting functio...

4年以上前 | 0

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Finding an old .m file
This one has the same author and function signature, although I obviously can't say for sure if it's the same! https://github.c...

4年以上前 | 0

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How can I save graphics as pdf?
What you typed should work, it should save the current figure (gcf) as myfigure.pdf to the current directory. I'd recommend usi...

4年以上前 | 1

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How to plot events over a signal?
@eyko you can plot the line with plot you can find the y values for the events with interp1, and plot them with plot or scatte...

4年以上前 | 0

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Remove whitespace right to colorbar
Do you mean in an export or as displayed in the figure window? For the export, if you use the newer exportgraphics instead of ...

4年以上前 | 0

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Difference between two statements
Switch doesn't provide new functionality but can make code easier to read and less complex: a='Apple'; These two blocks do t...

4年以上前 | 1

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how can I write a function
Your data look similar to this (as you've described them): load patients data=[{'name'} {'gender'} {'age'}; LastName Gender nu...

4年以上前 | 0

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plotting and reversing axis in subplot
I think I only see a bar and two plots. Here's some abbreviated code: t=tiledlayout(2,2); % or you can even do t=tiledlayout(...

4年以上前 | 0

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How to create multiple tables from a single spreadsheet
You can specify a range when calling readtable: For example: T = readtable('patients.xls',... 'Range','C2:E6',... ...

4年以上前 | 0

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Coding colors with the use of combing matrices
One thing you could do is use uisetcolor to pick the exact shade of yellow orange and pink you like Another thing you could d...

4年以上前 | 0

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How to get rid of floating-point constants
The error you describe isn't what I'd expect, but you're certainly missing a *. Unless exp isn't the matlab function exp and is ...

4年以上前 | 1