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Linear constraints not satisfied during optimization using fmincon
First, learn to use function handles. myfun = @(x) (0.0114*x(1)+0.01032*x(2)+0.0228*x(3)+0.0081*x(4))+15*((log(0.0114*x(1)))+(l...

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Getting odd output, want to understand the meaning of it
syms Ed m V L En Eqn = (Ed-m-(1/2)*(V))*(2/L)^(2/(0.1+2))*(m+Ed)^(0.1/(0.1+2)) - m*En*(m*L)^(-2/(0.1+2)) == 0 S = simplify(so...

más de 4 años hace | 1

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I am trying to create this matrix ; How can i do this using for loops or without loops?
Without loops? Trivial. A=[0 0 0 0 0 0 0 0 0 ; 1 1 1 0 0 0 0 0 0 ; 1 1 1 1 1 1 0 0 0 ]; A As you can see, that works nicely. ...

más de 4 años hace | 0

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logarithmic binning data in matlab
It is not clear what you mean by logarithmic binning. Looking at your data however, tells me that you were told to do something...

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MATLAB license renewal Master License 3XXXXXXXXXX
It was renewed. You don't need to download anything at this point. You can just keep on using MATLAB.

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How can i save the values i get in a for loop in a matrix?
Pretty basic, really. You probably need to spend some time with the MATAB Onramp tutorial. N = 100; SavedData = NaN(1,N); % Pr...

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i am getting this error "Brace indexing is not supported for variables of this type" at line which contains (S_bar{i}=R{i}*T_1{i}*R_1{i}*S{i}*T{i});.
Is S a regular matrix? S=[1/E1 -mu_12/E1 0;-mu_12/E1 1/E2 0;0 0 1/G12]; Yes. You then you assume it is a cell array for some r...

más de 4 años hace | 0

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How can I fit a smooth curve to this data and get the equation of the curve?
It is a bad idea to name your variables with the same name as an existing and useful MATLAAB function. Power is one such example...

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Solving a highly non linear equation in Matlab
This is a differential equation. An ODE, because it involves derivatives wrt only one variable. It is high order, and nonlinear,...

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When chromaticity diagram meets a line
Describe the diagram border as a polygon. That just means you need to get the sequence of points on the boundary, IN SEQUENCE, a...

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How to plot a set as the constraint in 2D?
Think clearly about what you are asking to plot. sqrt(x1^2 + x2^2) < x1 Do you agree that x2^2 is ALWAYS a positive number,...

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How to convert variables in a function handle ?
Um, not easily, and yes, sort of. If you want to actually modify the function handle, then that would take some effort and text...

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How to create a matrix using Booleans that looks like this:
There are always a million ways to solve such a problem, however, there is no need to use booleans at all. Best is if you learn ...

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How to solve trigonometric equation x*cos(x)+sin(x)=0 with function fsolve?
This is just a variation of a problem I've seen given many times. It is one of the simplest equations I can think of that has no...

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Why are there variations in values when using floor function?
Do you understand that it is impossible to represent most fractinos as floating point numbers, and do so exactly? That is, is th...

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Spline Interpolation for Motion Profile
You can't get an "equation" for a spline. Well, you can, IF you understand splines in some depth, but it is a bit of a piecewise...

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How to make matlab give me a numeric answer to a matrix with infinite solutions
MCh =[ 1 0 -1 0 5 0 0 -1 0 2 -3 -1 0 1 -4 0]; rank(MCh) You wish to solve the 4x4 homoge...

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null() fails for a symbolic numeric 5x5 matrix
It is often difficult to know what a compiled code has done under the hood, especially when symbolic operations are involved. Ho...

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generating random numbers from poisson distribution
Since the request has now morphed to do so without using poissrnd, that makes it very likely homework. In that case, you might ...

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the meaning of a sentence in command window
I think you are perhaps confused. And the answers are a bit confusing too. And, of course, we don't know any characteristics of ...

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Find rows with common values using intersect
Intersect is the wrong way to approach this, I think. And at the same time, the solution is probably going to seem easy, once yo...

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Optimization of weighted sum
First, LEARN TO USE ARRAYS!!!!!!!! Don't create 8 different numbered variables. Why does that make sense, when you can create O...

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Associating another Person's Academic MatLab License with my name.
You can contact Mathworks, and ask them. To be honest, the answer is your scheme is probably not legal, since it is essentially ...

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I need to find the length of the longest strictly increasing subsequence array from a given array I just need a tip to start. Any type of help will be appreciated
Can you use diff on your vector? What property does the result of diff have on strictly increasing sequences? Will all elements ...

más de 4 años hace | 0

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error in integration of function
You don't understand. You define x. i and N are numbers. i = 1; N = 100; h = 1/N; x = (i-1)*h; What is x now? A number. Gr...

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Cannot simplify a result
You got a "numerical" result. But because the result is symbolic, that is the symbolic result. pi, and square roots are as you w...

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before running the code then Px would be considered to be a variable instead of a function. You might have assigned something to Px in an earlier version of the code and not c
for i = 0:len-1 dif = a(i+1,1) - a(i,1) i starts out at 0 in the for loop. Does MATLAB alow a 0 index for an array? (NO.)...

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How to speed up the code to check if randomly generated number in a certain range is a prime ?
The simple answer is to generate the primes in that range, ALL of them, and then look to see which of your randomly generated el...

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swapping two matrices with similar randomness
You just need to learn how to use indexing. A = [1 2 3 4 5]; B = zeros(5,2); B(:,2) = A/10 Note that even thoiug...

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how to set a loop to calculate time
EVERY pass through your loop, you REDEFINE the variable t. Learn to use MATLAB. Stop thinking in terms of loops for everything. ...

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