How to get the coordinates of each room in a floor plan image through object identification method?
One approach is to close all of the doors morphologically: load('Walls') e=ones(1,105); A=imclose(imclose(~Image,e),e.');...

19 Tage ago | 0

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Submitted

Constrained minimum L1-norm solutions of linear equations
Finds least L1-norm solutions to linear equations C*x=d subject to linear and/or integer constraints.

How to get the coordinates of each room in a floor plan image through object identification method?
The Computer Vision Toolbox has a few corner detection routines, https://www.mathworks.com/help/vision/ref/detectharrisfeatures...

20 Tage ago | 0

Function name has to be same as file name?
When creating functions, aren't the functions supposed to have the same names as the file? No. If your mfile is a function file...

21 Tage ago | 0

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Create polygon from images
It looks like a good candidate for watershed segmentation. https://www.mathworks.com/company/newsletters/articles/the-watershed...

21 Tage ago | 0

Random complete and in complete numbers
To randomize uniformly over an interval [lower, upper], you would do, out=rand(___)*(upper-lower)+lower

21 Tage ago | 0

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1D griddedInterpolant of a vector of query points.
One way: rows=1:2; gI= griddedInterpolant({rows,t},f); F=@(t)gI({rows,t}); >> F(3) ans = 0.1411 -0.9897 ...

21 Tage ago | 0

Filling a vector with ones based on a given value
B=(A(:)>=1:6)

21 Tage ago | 0

Submitted

spatialgraph2D
Creates a graph object with 2D spatial locations associated with the nodes

Z = [150:-1:1]; Nq = zeros(length(ADCP.t)); t=1:0.25:100; clear Ninterp for i=length(t):-1:1 time_in = tStart+...

23 Tage ago | 0

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Need to solve an singlevariable integral of functions of two variables, and get answers as functions
This function @(t) K_mex_p(t).*CC22(t,J) needs to return a numeric value for every given t. It is returning a symbolic value, ...

24 Tage ago | 0

Solving set of 5 non-linear simultaneous equations using fsolve
You should get rid of all the square roots on the unknown parameters. Write the equations in terms of new variables like z1=sqrt...

24 Tage ago | 1

Finding the standard deviation for every single value in a matrix
X=cat(3, X1,X2,X3,X4,X5,X6,X7,X8,X9,X10); %It was a mistake to create 10 separate matrices. MeansX=mean(X,3), StdX = std(X...

24 Tage ago | 0

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Solve functions symbolically, and getting answers as functions, solve() fsolve()
C_11_0 = matlabFunction( result.x ) ; C_12_0 = matlabFunction( result.y ) ;

24 Tage ago | 0

Intlinprog can not find feasible solution even though there is one
This version finds a solution. Basically, I pre-normalize max(Asen(:)) and max(a(:)) to 1 so that the constraint matrix elements...

26 Tage ago | 1

Intlinprog can not find feasible solution even though there is one
Aside from the error mentioned by Mario, the line A = [Atemp, -M*Atemp]; is overwriting your original A matrix (the one cont...

28 Tage ago | 0

How to put 2D image in 3D space
This FEX file looks applicable, https://www.mathworks.com/matlabcentral/fileexchange/28581-imsurf-3d-images

30 Tage ago | 0

fmincon constrain a row to be fixed
Yes, you can simply not treat them as unknowns. Instead, rewrite the problem in terms of a smaller matrix z containing the unkno...

etwa ein Monat ago | 0

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Creating Multiple Arrays within a For Loop
You wouldn't do that with a loop. You would just use vector arithemtic, eps0=rand(3,1); %fake RHS data kappa=rand(3,1); z=ran...

etwa ein Monat ago | 0

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Nonlinear Optimization problem ( If statement)
To do that, each x(i) must have finite upper and lower bounds L(i)<=x(i)<=U(i). You also need to introduce additional unknown b...

etwa ein Monat ago | 0

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Most Efficient Way to Construct the Matrices to Extract the Lower and Upper Triangle from a Vectorized Matrix
Another approach to consider is to use my MatrixObj class https://www.mathworks.com/matlabcentral/fileexchange/26611-on-the-fly...

etwa ein Monat ago | 1

Speed up Matrix multiplication
C=sum( A.*reshape(B,1,3,[]),2);

etwa ein Monat ago | 1

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Equality contrains ignored by fmincon
You cannot use the Aeq, beq constraint parameters to force exact equality. You could instead try setting the upper and lower bou...

etwa ein Monat ago | 0

Minimize function with multiple variables with absolute value
If e is positive, rewrite this as a linear program with additional unknowns ,

etwa ein Monat ago | 0

how to generate a random array list with fixed sum ?
This FEX submission would be applicable https://www.mathworks.com/matlabcentral/fileexchange/9700-random-vectors-with-fixed-sum...

etwa ein Monat ago | 0

How to get linprog to not ignore x0 R2019a
If your initial x0 is feasible, one way you might benefit from it is to add the inequality constraint f(:).'*x(:) <= f(:).'*x0 ...

etwa ein Monat ago | 0

Variable distribution for a parallel image acquisition
Seems like you could use a parfor loop instead: parfor k=1:numel(img_temp) bw_seg_worker{k} = myWatershedFun(img_temp{k},...

etwa ein Monat ago | 0

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How can I save my result in a loop when it is an matrix
Should the left hand side be S{i,j,k} ?

etwa ein Monat ago | 0

improve and speed up parfor loop
We can't see all the operations in your loop, but the ones we can see are pretty basic ones. Operations as common and basic as t...

etwa ein Monat ago | 0

Question

Union() operation adds hole to polyshape
I have attached a file containing a vector of 11 polyshape objects >> load('polyshape_vector.mat') >> whos pgon Name ...

etwa ein Monat ago | 0 answers | 0