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Find zeropoints with interpolation
Almost trivial. LEARN TO USE MATLAB! I'll start with a long vector. x = linspace(0,20,1e7)'; y = cos(x); Yes, we know where t...

mehr als 2 Jahre vor | 1

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I need help with cubic splines containing pre existing conditions
Easy enough. And ... also somewhat useless, because this is not how you will have been asked to solve the problem. But it might ...

mehr als 2 Jahre vor | 0

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I have a problem with the convergence of fsolve ?
Solve simpler problems. Choose even better starting values. Yes, you think yours are reasonable, but they are not as good as yo...

mehr als 2 Jahre vor | 3

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Indexing with min and numel
vector1 = 1:5 vector2 = 2:7 N = max(numel(vector1), numel(vector2)) I'm not sure what you mean by indexing. But the above see...

mehr als 2 Jahre vor | 1

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Dsolve gives extra term
Why do you care? Note that C1 is completely arbirtrary! C1 is an unknown constant! So you can trivially add or subtract any c...

mehr als 2 Jahre vor | 3

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How to find the best combinations of calculation of function with 36 input constants, each constant is possible to calculate in 3 ways
Brute force is NEVER going to be a good idea. Instead, if you have the global optimization toolbox... help ga

mehr als 2 Jahre vor | 0

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which method is usied to solve the Determinant in Matlab
JUST READ THE HELP! (Actually, doc det.) In there, you will see this statement: det computes the determinant from the triangula...

mehr als 2 Jahre vor | 3

Discussion

Should the AI apply to all questions posted on Answers?
I saw this post on Answers. https://www.mathworks.com/matlabcentral/answers/2046770-explaining-a-matlab-code/?s_tid=ans_lp_feed...

mehr als 2 Jahre vor | 3

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Alternate function of gdivide
help gdivide As you should see, gdivide provides a great deal of very general functionality. And that means it will also includ...

mehr als 2 Jahre vor | 0

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Beantwortet
how create cell 1:10 vertical
There are always many ways to solve a problem. An easy way to create the cell array directly is to do this: C1 = {1;2;3;4;5;6;7...

mehr als 2 Jahre vor | 0

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How can I fill the area under a curve with different colors?
Simple. Just use fill (or patch) to fill THREE patches, each with the desired color. How can it be any simpler? Or, you could ...

mehr als 2 Jahre vor | 2

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How to use MATLAB to complete the rank of a matrix?
Trivial. Replace the offending columns with vectors of random numbers. DONE. With probability 1, the result will be full rank. ...

mehr als 2 Jahre vor | 0

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how to solve a simplified 2D trajectory problem with defined points and derivatives
I think what you are missing is the time required to perform this movement between points. You have specified the start locati...

mehr als 2 Jahre vor | 1

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How to count the occurrence of numbers in certain value range (show 0 if no occurrence)
The simple answer is you want to use the wrong tool. Yes, it looks like you want to use groupcounts. But you don't. P=[1 1 3 4 ...

mehr als 2 Jahre vor | 0

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How to extrapolate the first 5 points
load points.mat x = points(:,1); y = points(:,2); i1 = 1:5; i2 = 6:336; plot(x(i1),y(i1),'ro',x(i2),y(i2),'g.') I have no ...

mehr als 2 Jahre vor | 0

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What is the mechanism or math behind the function islocalmax(A)?
Someone who is not an employee of TMW cannot see the code. (I can't, as I am not an employee.) And if someone is an employee, th...

mehr als 2 Jahre vor | 1

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how to find data points of function passed through a distorted "pipe"?
A difficult question to answer, since so much is left to guess. And the vaguesness of your question suggests all you want is a r...

mehr als 2 Jahre vor | 0

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How can we solve an equation if it has infinite number of solutions?
Can you ALWAYS find all solutions to a problem in some interval? NO. Sometimes, the use of returnconditions will help, since it ...

mehr als 2 Jahre vor | 0

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Converting from symbolic to numerical data
Do you understand that sin and cos assume RADIANS, NOT degrees? But you are substituting in angles that are clearly in terms of ...

mehr als 2 Jahre vor | 1

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How can I make a vector that looks like this [2 1 2 1 1 4 1 1 6 1 1 8...1 100 1]?
If I had to guess, you might want to do this: V = ones(1,151); V(1) = 2; V(3:3:end) = 2:2:100; V The last few elements of...

mehr als 2 Jahre vor | 1

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MATLAB, draw tolerances in a plot similar to errorbar in matlab, but perpendicular to points in the curve.
You can want code to do as you want, but it won't help. And there is no version of errorbar that will do as you want. This means...

mehr als 2 Jahre vor | 0

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New to matlab, trying to understand basic functions still
If you are this new to MATLAB, then you seriously need to spend some tie reading the tutorials available. The MATLAB Onramp is ...

mehr als 2 Jahre vor | 0

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ITERATIVE SOLUTION OF ONE UNKNOWN VALUE IN AN EQUATION
Hint: try solving for t. syms x y t tsol = solve(x == cos(t) - y*sin(t),t) So there are two solutions. Much of the time, a f...

mehr als 2 Jahre vor | 0

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Unable to find explicit solution
It is not just that MATLAB could not solve it. In fact, it is trivially easy to write down equations where there is no algebraic...

mehr als 2 Jahre vor | 0

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Using biterr with negative numbers
Did I not just answer how to solve essentially the same problem, but in the other direction? Read my answer to your last questio...

mehr als 2 Jahre vor | 0

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Do you know how to convert existing graph into coding. I don't have the equations. I have the graph picture in my textbook but i need it to include in my matlab apps
I'm sorry. There is no magic way to know the formula of a given graph in a textbook. And no magic way to just turn that graph in...

mehr als 2 Jahre vor | 1

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How do I generate a random number vector composed of just 1 and -1
The trick is always to start with something you can do, and see if there is a way to modify it so it will work. For example, yo...

mehr als 2 Jahre vor | 1

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I am a university student and this is my university email: redacted@eng.zu.edu.eg Can I get Matlab for free? If possible, how do I get the activation key?
I assume you are a student in Egypt, given the address. MATLAB is not offered for free. However, you need to contact your unive...

mehr als 2 Jahre vor | 0

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Solve these equations to get x and y in normal number
USE DOUBLE. You already saw that in the answer to your last question. syms x y equ1 = 2760*sind(200)+x*sind(107.5)+y*sind(307....

mehr als 2 Jahre vor | 0

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How to deal with the Hermitian matrix that is meant to be positive semidefinite but turned out to have negative eigenvalue due to numerical issues?
This is not a question of a precision you can set. You can download my nearestSPD function from the file exchange. It finds the...

mehr als 2 Jahre vor | 1

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