Answered
define nonlcon in fmincon
function [c, ceq] = mycon(x) ceq=[]; c(1) = -nonlinearfunction1 % Compute nonlinear inequalities at x. c(2) c(3) ...

2 years ago | 0

| accepted

Answered
multi array vectorization problem (reformulated)
% init A = [ -0.8013 -0.4981; -0.2278 -0.9009]; t = 0:0.01:1e2; tic; % eigen space [V,D]=eig(A,'vector'); D = resh...

2 years ago | 1

Question

Since when has it been possible to dot-index the output of a class method?
Since when has it been possible to directly dot-index the output of a class method call, like this - classdef myClass p...

2 years ago | 1 answer | 1

1

answer

Answered
How to formulate the following matrices?
Why not just - T=zeros(3,3,n); for i=1:n T(:,:,i) = [cos(theta(i)) -sin(theta(i)) x(i) sin(th...

2 years ago | 3

Answered
Finding close-to-linear solution
Using fsolve inside of fsolve is a doubtful-sounding thing to do. Why not just combine the equations from solveE with the equati...

2 years ago | 1

Answered
Input multiple arrays into function
Simpler example, L2 = [0 1/2 1/3 0 0 0 0; 1/3 0 0 0 1/2 0 0; 1/3 1/2 0 1 0 0 0; 1/3 0 1/3 0 1/2 0 0; ...

2 years ago | 0

| accepted

Answered
Problem with ploting exp function
If I had to guess, you have x and y reversed. [X, Y] = ndgrid(x, y); surf(X, Y, t(X,Y));

2 years ago | 1

Answered
Multiple fminbnd errors with a parametrized function
Here is a symbolic method, if that's what you wanted. syms t f(t) f(t) = exp(cos(t)) - sin((3^(1/2)*sin(t))/3); vpasolve(di...

2 years ago | 0

Answered
how to read multiple column data from excel sheet as a particular variables and use them as input other formula calculations in multiple itrations
Look at readmatrix(), readvars(), readtable(), etc...

2 years ago | 0

Answered
Condensing code cannnot figure out easier function to use
threshold=30; %don't call this "max" blocklen=300; difference=rand(1,9268); N=numel(difference); Nc=ceil(N/blocklen)*blo...

2 years ago | 0

Question

How do I enable a user to link his Matlab license?
I have recently become a Matlab license administrator for my organization. I have a user who is trying to link his license to hi...

2 years ago | 0 answers | 1

0

answers

Answered
How can I set max & min value but maintain the curve trend?
yourSignal = rescale(yourSignal)

2 years ago | 0

| accepted

Answered
Bidirectional property and method definition with classes
If updatevalues is false, update properties normally (no links with other properties) <-- this means I cannot use the Dependent ...

2 years ago | 0

Answered
Plot line with points at given distance
This may help, https://www.mathworks.com/matlabcentral/fileexchange/34874-interparc

2 years ago | 1

Answered
Doing an example find the optimal state and optimal control based on minimizing the performance index, Fmincon error of scalar value
Do as the error message says. Test your cost function on its own and make sure it returns a scalar value before applying fmincon...

2 years ago | 0

Answered
3-d order derivative
If the points are too close together, the difference between neighbours will be so small as to be dominated by floating point er...

2 years ago | 1

Answered
Optimise a reference that cuts my curve into 2 equal sections
midline = trapz(x,y)/(max(x)-min(x))

2 years ago | 0

Answered
Solve an equation not getting a result
>> solve(increment1==((1/3)*(k/(1+evide0))*((x-s1(i-1))/x))+((1/3*G)*(x-s1(i-1))) ,x) ans = -2.6278e-06

2 years ago | 0

Answered
How to align the center of mass of two density functions?
xa=1:length(Na); xb=1:length(Nb); Nb=Nb + trapz(xa,Na.*xa) - trapz(xa,Na.*xa);

2 years ago | 0

Answered
How to assign character/string in the for loop
name={flist.name}; n=numel(name); S.(fname)=cell(n,1); for i=1:1 S.(fname){i}=load(flist(i).name; end

2 years ago | 0

| accepted

Answered
Close a specific area but do not close all the others
What if you convert the interior of the bubbles to foreground? load BW N=round(numel(BW)/10); BW=~BW; BW0=BW; BW=bwarea...

3 years ago | 0

| accepted

Answered
How to display -180 to 180 in a loop
mod(180:5:360+180,360)

3 years ago | 0

Answered
z1 and x variables in algebraic equations
"The equations that I am trying to solve are quite big that even wolfram does not provide a 'legible' answer." There is no poin...

3 years ago | 0

| accepted

Answered
value of delta(w-w0) ?
The original expression that you gave is the simplest expression for the spectrum.

3 years ago | 0

Answered
How to resize multiple folder images and save it in MATLAB?
Yes, that should be easy, but you haven't told us what part of it you're having difficulty with. If I had to guess, you are stru...

3 years ago | 0

Answered
How to solve an equation with matrices?
Kx=( (B*Delta)\(Am-A) ).'; Kr=( (B*Delta)\(Bm) ).';

3 years ago | 0

| accepted

Answered
slp method to minimize function
The error message was generated by your own code, in this line assert(length(x)==5, "x should be 5 elements long, but instead ...

3 years ago | 0

Answered
why vectorize function is not recommended?
A warning without an explanation is not a real warning. I say you just ignore it.

3 years ago | 2

Answered
Problems running gpuArray function - CUDA driver
Matlab R2020a requires CUDA Toolkit 10.1.

3 years ago | 0

Answered
EDITED: Variance when only one observation is not NaN
Omit 'omitnan'

3 years ago | 0