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Mathlab code for euler equation
What is your question? Let me guess, why does my incorrect code not work? Note, I edited your code to make it readable. Having ...

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Laserbeam reflection points/ path lengths
Why do you need a toolbox? Start with a ray. A line is simply defined by the equation: R(t) = R0 + R*t where R0 is a point...

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Ploting Intersection point of three circles
Why are you certain that forms the "intersection" point of the three circles? In fact, as the plot shows, there is no point wher...

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How to check and remove outliers when it is Non-normal distribution
z-scores are not a terrible approach. HOWEVER, if you have many outliers, then they will themselves bias the z-scores, making ou...

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filling area enclosed by multiple curves
No problem (as long as you use a more capable tool), although it appears you have duplicate points. X = load('dataX.txt'); Y =...

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Find minors of a rectangular matrix
https://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer Sadly, it ...

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finverse for function handle
Does every possible function you write down need to have a functional inverse? Of course not. In fact, it can be proven that fun...

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Error with sinc command
sinc is also present in the symbolic toolbox, though it would not be of use here. You need the signal processing toolbox for the...

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How to create this matrix ?
It appears the request was to concatenate the two planes of A into one plane, and then concatenate another matrix to the columns...

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sequence of color on a surf plot
Surf plots each grid line, as a BLACK line. The black lines are useful, and help you to see the shape of the surface for smaller...

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why surf function does not show complete data
Um, EXACTLY what is not shown? :) LOOK CAREFULLY at the surface you show. You surfed a 8x5 grid, right? Now, count the lines sh...

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How to find the derivative of one output quantity with respect to another output quantity
Basic calculus. Each module must be a function of SOMETHING else, thu some other parameter. What parameter is controlling them? ...

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Best Curve-Fitting Function
The "best" solver? Ii is the one you have access to, and the one you know how to use. Fit is easy to use. mdl = fittype('1/(...

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How to perform linear curve fitting based on distance from line instead of residuals
This is the classic total least square problem. Sometimes it is called the errors in variables problem, sometimes known as ortho...

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How do i input this on MATLAB
Assuming that p and q are real numbers, do you understand there will ALWAYS be three solutions to the problem, and that for many...

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Curve fitting with variance
Why cannot you just use variance for weight? In fact, that is essentially what you DO want to do. The weight on a data point wil...

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How to take data from multiple variables and store them in one variable?
Essentially, you just need to learn MATLAB. Read the various tutorials you can find. In there you would learn about the various ...

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PC requirements for running multi-Objective optimization algorithms
Sorry, but this is a question that is far too vague to have a useful answer. You tell us only that as written by you, your code...

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How to findout this equations value
That is impossible, since your equations are not written in unambiguous mathematics. Is e^15b intended to mean exp(15*b)? Is...

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Is it possible to create a surface plot from scattered points?
We don't have your data. But there are mltiple solutions you can use. First is my gridfit. You can download it from the file ex...

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can if conditions be used for equality constraint in fmincon?
NO. That creates a non-differentiable equality constraint. Not even continuous. For example, at u(2) == 0.4, what happens? u2 ...

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How to fix optimization terminated?
Do you recognize that "terminated" is often used as a synonym for "done", or perhaps "finished", or even "happy as a clam at hig...

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Questions about the Lsqnonlin function
This is NOT a problem with lsqnonlin, but in your understanding of determinants and why they are a bad thing to use. You misund...

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Minimize distance between curves
This is a classic calibration problem of sorts. Lacking any data, I cannot really help you as much as I might want to. But I can...

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Solve the system of three equations and three unknowns
The answer is actually pretty easy. First, you need to understand that those who are answering your question do not seem to appr...

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Criteria for judging overfitting
If there were some clear and simple rule, then the code would be written to recognize that, and alert you of the problem. But th...

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Is there a reason why row vectors are default in Matlab?
It just is. Around 40 years ago, someone made a choice. The choice was fairly arbitrary. But they made it. And once made, that c...

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How to sub sym to a number in a matrix
syms x y z M = [x-2,x+y,z^2] subs(M,[x,z],[1 3])

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Can the function "Taylor" process the input type "Function handle" directly?
Can taylor handle some completely general function handle? No. Why not? A Taylor series is easy to compute, in theory. The coef...

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how to take numerical inverse integration?
This is technically called an inhomogeneous Fredholm integral equation, of the first kind. https://en.wikipedia.org/wiki/Fredho...

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