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Feature Request: Add H.264 encoding to "UAV Toolbox / Simulation 3D / Video Send" block
Sorry, but Answers is not the place to post feature requests. We are not technical support for MATLAB. We are just a set of volu...

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Finding roots of a polynomial function
The best way to solve this specific problem is to transform it, in the form of a non-dimensional variable. That is, we see the c...

mehr als 4 Jahre vor | 1

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Find the minimum of a function on a plot and where it occurs on the x-axis
You have a function of one variable. Perhaps you should spend some time reading about tools like fminbnd, or even fminsearch. Ei...

mehr als 4 Jahre vor | 1

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solve nonlinear equations with unknown variables in matrix format
As an alternative way to understand why there is no solution to your problem is to look at your equations. eq1 = (x+y)*cos(z)-a...

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How to get the mean of a staircase graph?
You don't give your actual data, just a pcture of it. Yes, sometimes a picture is worth a thousand words, but pictures are not w...

mehr als 4 Jahre vor | 0

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how to write fraction function in complex plane by using matlab
MATLAB has a simple form to allow you to store only the coefficients of a polynomial. You aready know that. But there is no simp...

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I need help on finding the max & min values of a 3d array.
min and max are not sufficient? For example: A = randi(1000,[4 3 2]) [maxval,maxind] = max(A,[],'all') So 954 is the largest ...

mehr als 4 Jahre vor | 1

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Is it possible to solve difference equation in MATLAB?
It looks like this is a homework question, so I am reluctant to post a complete answer. But at the same time, it looks like you ...

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Stationarity of a signal.
This is not remotely a question about MATLAB, but of understanding what stationary means. You might want to do some reading. ht...

mehr als 4 Jahre vor | 0

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Does Matlab have any intention to use C2000Ware instead of ControlSuite for Launchpad F28379D in future release?
Maybe. Maybe not. How is that for a definitive response? If you want a more accurate answer, you will need to get a job at The ...

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Main Differences Between Symbolic Variables and Symbolic Functions
I'm really not sure what you are asking. One is a function of another variable, the other is a variable. A variable may be a con...

mehr als 4 Jahre vor | 1

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why Solve function does not give correct solution?
When you solve a nonlinear system of equations, at times, some solutions are spurious. They fail, because some operation in the ...

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I can't get the answer for A, B, C and D in matlab using solve command. These variables are functions of X1 and X2 which were previously solved.
syms X1 X2 equ1=(((X1-X2)*(20-X1-X2))/((1-X1)*(1-X1-X2)*(5)))==6600; equ2=((X2*(20-X1-X2))/((1-X1-X2)*(X1-X2)*5))==0.88; S= s...

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Solving symbolic function in matlab
So VX is both a variable of integration, AND the upper limit for the integral? Seriously? Do you accept that this is the sort of...

mehr als 4 Jahre vor | 0

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Is there an appropriate fitting methods for data that as orders of magnitude differences
You do NOT want to use a simple least squares on suh a problem. What will happen is the points that are very large will dominate...

mehr als 4 Jahre vor | 1

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use of parentheses confusion
This is a question about operator precedence, and we can find the rules here: https://www.mathworks.com/help/matlab/matlab_prog...

mehr als 4 Jahre vor | 4

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How to find out if a logical array is all zeros?
any does work, with a slight tweak. But you could also use all, or sum, or nnz, or even find. There are certainly many ways. if...

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cube root of -1
Remember there are THREE cube roots of -1. -1 is not the only answer. In fact, it is not even the first solution to that problem...

mehr als 4 Jahre vor | 0

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Curve Fitting and extrapolation for a semi-circle
There are many circle fitting tools to be found on the file exchange. You can use and download one of them, but I will concede t...

mehr als 4 Jahre vor | 0

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Elementary matrices in Matlab
So many ways to do this. DGM showed a great way using toeplitz. But there are others. For example, you could use diag. n = 5; ...

mehr als 4 Jahre vor | 1

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Is the solver 'lsqnonlin' boundary dependent?
This is unlikely to be the case of lsqnonlin being "boundary dependent". That is not true in my experience. It is more likely a ...

mehr als 4 Jahre vor | 0

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What is the underlying mathematical method used by fittype() to fit data to a defined formula?
Well, fittype des not do the fitting itself. That would fall more into the regime of fit. fittype merely allows you to specify ...

mehr als 4 Jahre vor | 0

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finding the start and end points of a unimodal peak
Wait a second! You are using findpeaks. It returns as one argument the peaks it finds, as well as the associated width. But you ...

mehr als 4 Jahre vor | 0

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Can I take data while setting them
I'll write this as an answer, intead of a comment on @Yongjian Feng's excellent response, as otherwise my thought can become los...

mehr als 4 Jahre vor | 3

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How to convert all array values into negative ones?
So many ways. Don't forget the simple solution: A = [2; 3; 5; -8; 9; 1; -1] B = -abs(A) % this makes all of the signs positive...

mehr als 4 Jahre vor | 0

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How to find constants of integral knowing initial conditions
Raz=26.67*10^3; qo=20; L=3000; M=10*10^6; E=2.1*10^5; d=100; Izz=(pi*d^4)/64; syms x C1 C2 My_x=-Raz*x+(qo*x^2/2)-M; ph...

mehr als 4 Jahre vor | 1

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how do i get the solution from ODE45?
You cannot do so. PERIOD. ODE45 is NOT an analytical solving tool. Would you expect code written for one purpose to perform what...

mehr als 4 Jahre vor | 0

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I am trying to plot the following function but there is a syntax error which I am not sure about
How do you often write the square of cos(x)? Yes, a common mathematical notation is to use cos^2. In MATLAB? Sorry but not valid...

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Coding in m-file, for a func defined in an interval [x0, xn] like Fi(x)(=(c1(i)+c2(i)*sin(w1*(x-x(i)))+c3(i)*cos(w2*(x-x(i)))+c4(i)*sin(w2*(x-x(i)))+c5(i)*cos(w1*(x-x(i))))?
There are still some issues with the question. Note that it is a REALLY bad idea to use the vector x(i) to indicate break points...

mehr als 4 Jahre vor | 0

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how to code binary integer programming model?
So you have 18 unknowns. What is the problem? What have you tried? You will call intlinprog, (older releases will call bintprog,...

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