已回答
How to find the index of the first absolute minimum entry of a matrix
A=[5,7,0.5,5 ; 2,1,4,1 ; 1,6,7,0.5], [value,index]=min(A(:)) [Iindex,Jindex]=ind2sub(size(A),index)

2 years 前 | 0

| 已接受

已回答
How to take double integral of a function matrix?
syms x y a=1; b=1; t=1; E=100/72; v=0.2; x1=0; x2=b; x3=b; x4=0; y1=0; y2=0; y3=a; y4=a; B1 = [y-y4;0;x-x2]; B2 = [0;x-x2;...

2 years 前 | 0

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

2 years 前 | 0

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已回答
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 前 | 1

提问

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 前 | 1 个回答 | 1

1

个回答

已回答
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 前 | 3

已回答
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 前 | 1

已回答
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 前 | 0

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已回答
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 前 | 1

已回答
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 前 | 0

已回答
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 前 | 0

已回答
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 前 | 0

提问

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 前 | 0 个回答 | 1

0

个回答

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

2 years 前 | 0

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已回答
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 前 | 0

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

2 years 前 | 1

已回答
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 前 | 0

已回答
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 前 | 1

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

2 years 前 | 0

已回答
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 前 | 0

已回答
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 前 | 0

已回答
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 前 | 0

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已回答
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 前 | 0

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

3 years 前 | 0

已回答
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 前 | 0

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

3 years 前 | 0

已回答
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 前 | 0

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

3 years 前 | 0

| 已接受

已回答
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 前 | 0

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

3 years 前 | 2