Answered

Fit a vector to matrix distribution

Can I just plug my new matrix into this and expect a distribution of values out for f1 and D1? I assume you already tried this ...

Fit a vector to matrix distribution

Can I just plug my new matrix into this and expect a distribution of values out for f1 and D1? I assume you already tried this ...

21 días ago | 0

Answered

Extract and show non zero pixels of a 2D image in MATLAB

The question seems very open ended. Perhaps as follows, spy(ima)

Extract and show non zero pixels of a 2D image in MATLAB

The question seems very open ended. Perhaps as follows, spy(ima)

22 días ago | 0

Answered

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.');...

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.');...

22 días ago | 0

| accepted

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.

23 días ago | 14 downloads |

Answered

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...

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...

23 días ago | 0

Answered

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...

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...

24 días ago | 0

| accepted

Answered

Create polygon from images

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

Create polygon from images

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

24 días ago | 0

Answered

Random complete and in complete numbers

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

Random complete and in complete numbers

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

24 días ago | 0

| accepted

Answered

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 ...

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 ...

24 días ago | 0

Submitted

spatialgraph2D

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

25 días ago | 12 downloads |

Answered

Add Interpolated Vector to Matrix

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+...

Add Interpolated Vector to Matrix

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+...

26 días ago | 0

| accepted

Answered

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, ...

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, ...

27 días ago | 0

Answered

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...

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...

27 días ago | 1

Answered

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...

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...

27 días ago | 0

| accepted

Answered

Solve functions symbolically, and getting answers as functions, solve() fsolve()

C_11_0 = matlabFunction( result.x ) ; C_12_0 = matlabFunction( result.y ) ;

Solve functions symbolically, and getting answers as functions, solve() fsolve()

C_11_0 = matlabFunction( result.x ) ; C_12_0 = matlabFunction( result.y ) ;

27 días ago | 0

Answered

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...

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...

29 días ago | 1

Answered

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...

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...

alrededor de 1 mes ago | 0

Answered

How to put 2D image in 3D space

This FEX file looks applicable, https://www.mathworks.com/matlabcentral/fileexchange/28581-imsurf-3d-images

How to put 2D image in 3D space

This FEX file looks applicable, https://www.mathworks.com/matlabcentral/fileexchange/28581-imsurf-3d-images

alrededor de 1 mes ago | 0

Answered

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...

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...

alrededor de 1 mes ago | 0

| accepted

Answered

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...

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...

alrededor de 1 mes ago | 0

| accepted

Answered

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...

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...

alrededor de 1 mes ago | 0

| accepted

Answered

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...

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...

alrededor de 1 mes ago | 1

Answered

Speed up Matrix multiplication

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

Speed up Matrix multiplication

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

alrededor de 1 mes ago | 1

| accepted

Answered

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...

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...

alrededor de 1 mes ago | 0

Answered

Minimize function with multiple variables with absolute value

If e is positive, rewrite this as a linear program with additional unknowns ,

Minimize function with multiple variables with absolute value

If e is positive, rewrite this as a linear program with additional unknowns ,

alrededor de 1 mes ago | 0

Answered

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...

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...

alrededor de 1 mes ago | 0

Answered

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 ...

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 ...

alrededor de 1 mes ago | 0

Answered

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},...

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},...

alrededor de 1 mes ago | 0

| accepted

Answered

How can I save my result in a loop when it is an matrix

Should the left hand side be S{i,j,k} ?

How can I save my result in a loop when it is an matrix

Should the left hand side be S{i,j,k} ?

alrededor de 1 mes ago | 0