Respondida
ode45 error rungg- kutta
your error is probably not with the ODE line, but actually running "Simulation", which you are not supplying any arguments to at...

más de 5 años hace | 0

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Solving second order PDE
Does this help: https://www.mathworks.com/help/matlab/ref/pdepe.html I believe that pdepe is available with base matlab. It ap...

más de 5 años hace | 0

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Saving multiple outputs from ODE45 with different dimensions?
I would use cells...also what's with the dual indexing? options can be defined outside since nothing is changing from iteration ...

más de 5 años hace | 0

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Increment a class property everytime calling a class method
subclass from the handle class (default is value class), and you can update properties of the instance without explicitly overwr...

más de 5 años hace | 1

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How to plot values with different color with "if statement"
look at the documentation for the "scatter()" command. can you do what you want with that?

más de 5 años hace | 0

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App inside app question
If not more than 1 image needs to be displayed at once, maybe just save all the image data internally, have only one axes, and h...

más de 5 años hace | 1

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Selection of data in timetable
Hmm, so the question is about periodic time ranges...there might be a better way, but maybe you can use "isbetween" on an auxili...

más de 5 años hace | 0

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How can i select cell from table in app designer?
The UITable has a callback for selection https://www.mathworks.com/help/matlab/ref/matlab.ui.control.tableappd-properties.html#...

más de 5 años hace | 0

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Reading data from ASCII file
It would have been helpful to know these things in advance (you hinted at the first, but say it explicitly) Data contains multi...

casi 6 años hace | 0

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Surface Fit over image
Here's my first pass thoughts: First steps: Obtain X and Y coordinates of your pixels ensure your pixel values are of type do...

casi 6 años hace | 1

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Pregunta

How to identify ui component classes that other ui components can be children of
I am trying to identify ui components like uipanels, uigridlayouts, uitabs, etc., that may contain other ui components as childr...

casi 6 años hace | 1 respuesta | 0

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respuesta

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Plotting points in 3D with mesh
For just visualizing the chosen data in a surface, does this look like what you want? clc; close all; clear; N = 500; X...

casi 6 años hace | 0

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How can I solve a partial derivative equation if it does not contain a time derivative in MATLAB?
If you mean by "no time variable" that your equation is elliptic in more than 1 independent variable, then unfortunately you'll ...

casi 6 años hace | 0

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Respondida
[App Designer] Get the object indentifier that triggered the callback
I think a cleaner way is to pass an identifier with the callback definition: ASpinner.ValueChangedFcn = @(evnt)app.VChanged(evn...

casi 6 años hace | 0

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Plotting a graphic output of an external function in APPDESIGNER, more specifically the uiaxes
If there is no way to activate a uiaxes programmatically, you can try to create a regular axes in app designer in the startupfcn...

casi 6 años hace | 0

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Roots of a two variables equation involving a numerical integration
Assuming x and y are scalars and there is a solution, use fsolve, not an optimization algorithm. You'll need initial guesses. Th...

casi 6 años hace | 1

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Accessing an element of an array using an array as its index.
Interesting...I guess your question title should be edited to "use array as subscripts into multidimensional array". I dug into ...

casi 6 años hace | 0

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Struct to numeric variable
At the risk of having misunderstood: new_var = [structname.fieldname] This would work if you structname is a structure array 4...

casi 6 años hace | 0

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How can I specify the way components resize automatically in App Designer?
"uigridlayout" was introduced in 2018b, which may be helpful...It allows pretty sophisticated layouts, although it still seems b...

casi 6 años hace | 2

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How to add the value of the 3 highest elements automatically from a vector?
like this? [~,idx] = maxk(y,3) y(idx) = y(idx) + sx Are x1 and x2 irrelevant to your question?

casi 6 años hace | 0

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How to map a vector to a colourmap ?
A brute force way would be to interpolate...not sure if there's a better way x = % ... data vector indices = 0:255; xref = ...

casi 6 años hace | 1

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Making a square figure with pcolor
Your coordinate grid matrices x and y are not "aligned" with the axes. You can see this if you just do plot3(x,y,zeros(size(x)...

casi 6 años hace | 0

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Getting Cell location of checkboxes on selection (UITable)
Is it as simple as defining a CellEditCallback?

casi 6 años hace | 0

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Is there an automatic way to find the centre of this circularly-symmetric pattern?
This would be not at all efficient and maybe not robust, but you could pose a minimization problem: Find the coordinates (Xc,Yc...

casi 6 años hace | 0

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How can I create binEdges?
It looks like your problem is not with binning, but the fact that you have NaN's in your data. By the way if you have 2014b or ...

casi 6 años hace | 0

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Extracting particular x and y data points from a figure
Thinking in terms of graphs is useful but only takes you so far. The point is how to think about the data and/or functions under...

casi 6 años hace | 0

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Help in implementing ode45 in app designer
Static methods don't assume that the app is passed as the first argument, so remove "app" from the arg list methods (Static) ...

casi 6 años hace | 0

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Validate and get exact number of characters using the regular expression
Try out_str = regexp(str, '[A-Z]+-[0-9]{2}$', 'match');

casi 6 años hace | 1

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Respondida
How to initialize a new matrix of the same type as an existing variable?
I am not sure if this works for symbolic type, but you can initialize an array of arbitrary type by specifying the "last" elemen...

casi 6 años hace | 0

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How to remove outliers based on datetime
What if you ran statistics on real or integer representations of datetime, using datenum() or something?

casi 6 años hace | 0