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Last seen: 14 giorni fa |  Attivo dal 2020

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

5 mesi fa

Domanda


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 ...

5 mesi fa | 1 risposta | 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 mesi fa | 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...

7 mesi fa | 1

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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 mesi fa | 0

Domanda


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 mesi fa | 1 risposta | 0

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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...

10 mesi fa | 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);

12 mesi fa | 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...

12 mesi fa | 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; ...

12 mesi fa | 0

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Domanda


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...

circa un anno fa | 3 risposte | 2

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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...

oltre un anno fa | 0

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Domanda


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...

oltre un anno fa | 1 risposta | 1

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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...

oltre un anno fa | 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.

oltre un anno fa | 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...

oltre un anno fa | 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 -...

oltre un anno fa | 0

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Domanda


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...

oltre un anno fa | 2 risposte | 0

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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...

oltre un anno fa | 1

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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...

oltre un anno fa | 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...

oltre un anno fa | 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...

oltre un anno fa | 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...

oltre un anno fa | 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...

oltre un anno fa | 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...

oltre un anno fa | 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...

oltre un anno fa | 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...

oltre un anno fa | 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...

oltre un anno fa | 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 ...

oltre un anno fa | 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...

oltre un anno fa | 0

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