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Last seen: 21 jours il y a |  Actif depuis 2020

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NLP problem with fmincon: Non-differentiable point in objective function
Consider the simplified optimisation problem having as decision variable the vector: where is the number of discretisation ...

6 mois il y a | 1 réponse | 0

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How do variables work in Matlab App Designer?
App Designer works with methods rather than functions. The difference is that your entire GUI is an instance of a sub-class of ...

7 mois il y a | 1

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How to use property validation functions in class definitions for struct fields?
If this is helpful, please remember to vote for best answer. You can read this for more info. classdef myClass properties...

8 mois il y a | 1

| A accepté

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How to set both yticks(left and right) in decimal values not exponential or scientific??
F = openfig('energy vs time.fig'); ax = gca; ax.YAxis(1).Exponent = 0; ax.YAxis(2).Exponent = 0; axis square;

10 mois il y a | 0

Question


Sum inside a "bouncing" domain
I have a set of positions given by x and y. Considering a point yf, I want to know what's the value of yi, when the difference ...

10 mois il y a | 1 réponse | 0

1

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Tangent line on a curve. From a peak down the "unload curve" (in each case the bottom curve)
The approach is to find the index of the maximum point in the curve: [~,idx] = max(yData{j}); Then we can compute the derivati...

11 mois il y a | 0

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How to plot a vector for fixed intervals
Something like this? t = [1 3 4 7]; a = [5 3 9 4]; stairs(t,a); grid on; xlim([0,10]); ylim([0,10]); xticks(1:10);

presqu'un an il y a | 0

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Why does UIaxes handle is deleted when calling a function and taking inputs as UIaxes handle in MATLAB webapp ?
It would be easier if you share your .mlapp file, but according to this line of error: >> Web Apps does not support multiwindow...

environ un an il y a | 0

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change negative data to zero in one table in matlab
% Create fictitious set of data: tableData = rand(1e1) - .5 % Define tolerance under which data is set to zero: tol = 1e-2; ...

environ un an il y a | 0

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Question


Is "geoglobe" currently bugged?
I have always used geoglobe, but when I tried again today, the following command does not work anymore as usual. uif = uifigure...

environ un an il y a | 3 réponses | 2

3

réponses

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How to create a .gif animation visualizing the progress of an optimization process?
The simplest way is to add a few lines of command that saves your current objective function data. You can add something like t...

plus d'un an il y a | 0

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Question


Multi-account reputation earning
I assume it to be against the rules, but upon searching I couldn't find something specific. What is the reccomended practice in...

plus d'un an il y a | 1 réponse | 1

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réponse

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What are anonymous functions in MATLAB, and how can they be used to simplify code? Provide an example where an anonymous function is used effectively.
Anonymous functions are used to store a function into a variable: doubleNumber = @(x) 2*x; doubleNumber(10) The syntax is e...

plus d'un an il y a | 2

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How do I create a 3D checkerboard?
I would use patch and surf ma don't expect this level of rendering.

plus d'un an il y a | 1

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How change the slopes in a curve from positive to negative
This works if you don't really care about the value on the y-axis: load datapoints inyb2 = -cumsum(abs(diff([0; inyb2]))); pl...

plus d'un an il y a | 0

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Indexing of 1D arrays using 2D mapping information
Have a look at this: Interpolate 2-D or 3-D scattered data - MATLAB griddata - MathWorks Italia Interpolating Scattered Data -...

plus d'un an il y a | 0

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Question


fmincon non-linear optimisation: issues with sqp and interior-point
I am running an optimisation problem using fmincon. The problem is subjected to very few bound constraints, linear inequality c...

plus d'un an il y a | 2 réponses | 0

2

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Dividing a Square Matrix into Four Distinct Matrices Based on indexing element as well as the last digit
This will give you what you are looking for, except for the inverted number in case of odd number of digits: A = [10902425 30...

plus d'un an il y a | 1

| A accepté

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Why do I Receive this error? Requested 708198x708198 (3736.8GB) array exceeds maximum array size preference (15.9GB). This might cause MATLAB to become unresponsive.
The error message is self-explanatory. Your implementation might be correct but at some point you are generating a variable of s...

plus d'un an il y a | 0

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MATLAB is not giving good quality eps figure, looks good in png format but looks really bad in pdf.
For article/document/presentation images I suggest you to use export_fig from FEX. The images have a better quality and more sa...

plus d'un an il y a | 0

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change size of rectangles in full screen
Use uigridlayout to customise these parameters and have autmatic scalability when you change figure's dimensions. You can set s...

plus d'un an il y a | 0

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How to change a variable name without changing the value itself?
This is in general not recommend because is prone tu bugs and affects code readibility. If you really want to do this anyway, h...

plus d'un an il y a | 1

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Incorrect number of inputs or outputs for function linspace
Even if it is a matter of personal taste, for unit steps I usually prefer to do: z1 = 1 : 100; Nontheless, this should also wo...

plus d'un an il y a | 0

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y-axis with diffent scalings
If you want to keep the figure with this format, I'd say you have two options. You can either make an axis break with the FEX...

plus d'un an il y a | 0

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How to improve plotting speed of large STL models using patch?
To really help you would be convenient to see what you are dealing with and what have you tried, but one thing I can say for sur...

plus d'un an il y a | 0

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Ctrl + F1 (on Windows) not working anymore for 2023a?
This is not mentioned in the release notes so I can't be completly sure it is true, but it appears that the shortuct for "Functi...

plus d'un an il y a | 1

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How to add data stored in structure depending on other data related but stored in a different structure
I am not sure I udnerstand correctly what you need, because this line is confusing me: debit_total = zeros(size(debit)); You w...

plus d'un an il y a | 0

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LU decomposition algorithm change
This was introduce in R2022a and might be a promising candidate to answer your question. Quoting Matlab realease notes: inv ...

plus d'un an il y a | 1

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Converting a table to a matrix based on coordinates
Be careful because Matlab uses inverted indeces so this way you have X as rows and Y as columns. Just invert the indeces in the...

plus d'un an il y a | 0

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Question


Can you place ui-components in uigridlayout using Name-Value pair input?
uif = uifigure; uig = uigridlayout('Parent', uif, ... 'ColumnWidth', repmat({'1x'}, 1, 5), ... ...

plus d'un an il y a | 3 réponses | 0

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