Beantwortet

how to velocize it (avoid loop is possible)

I don't know if "velocize" (not a word) is supposed to mean "accelerate" or "vectorize". The two are not the same. If you're l...

how to velocize it (avoid loop is possible)

I don't know if "velocize" (not a word) is supposed to mean "accelerate" or "vectorize". The two are not the same. If you're l...

4 Monate vor | 1

Beantwortet

How to add cell array as index in plot title

I suspect that the code you've shown us is not the code that produces the error. I suspect you did this instead - figure tlo =...

How to add cell array as index in plot title

I suspect that the code you've shown us is not the code that produces the error. I suspect you did this instead - figure tlo =...

4 Monate vor | 0

Beantwortet

Which algorithm does SVD function take?

Comparing results showed that max difference in S and S1 reached 1e-14, but for U and U1 or for V and V1, max difference reached...

Which algorithm does SVD function take?

Comparing results showed that max difference in S and S1 reached 1e-14, but for U and U1 or for V and V1, max difference reached...

4 Monate vor | 2

Beantwortet

For matrix A you cannot do: A.^2(:)

A=[1 2;3 4]; sum(A(:).^2) vecnorm(A(:))^2 norm(A,'fro')^2

For matrix A you cannot do: A.^2(:)

A=[1 2;3 4]; sum(A(:).^2) vecnorm(A(:))^2 norm(A,'fro')^2

4 Monate vor | 0

Beantwortet

Identify the maximum values within fixed time intervals of a time series data set

Time=[4 5 6 7 8 9 10 25 26 27 28 29 46 47 48 49 50 58 59 60]; %Time vector, in minutes x=[ 0 5 0 1 3 11 2 0 0 1 8 3 0 0 -5 12 2...

Identify the maximum values within fixed time intervals of a time series data set

Time=[4 5 6 7 8 9 10 25 26 27 28 29 46 47 48 49 50 58 59 60]; %Time vector, in minutes x=[ 0 5 0 1 3 11 2 0 0 1 8 3 0 0 -5 12 2...

4 Monate vor | 2

Beantwortet

Create a 4D array from 3D array with 3 columns, and 1D (row only) array with 3 columns

So, could it be that myVar has 4 arrays inside it To me, it doesn't sound like you are talking about a 4D array at all, but ins...

Create a 4D array from 3D array with 3 columns, and 1D (row only) array with 3 columns

So, could it be that myVar has 4 arrays inside it To me, it doesn't sound like you are talking about a 4D array at all, but ins...

4 Monate vor | 0

Beantwortet

How to visualize histogram

You can use the histogram command with hold to superimpose them.

How to visualize histogram

You can use the histogram command with hold to superimpose them.

5 Monate vor | 0

Beantwortet

shortestpath between two points on skeleton in binary image

You can use bwdistgeodesic.

shortestpath between two points on skeleton in binary image

You can use bwdistgeodesic.

5 Monate vor | 0

Beantwortet

Why does abs cause bad matlabfunction evaluation?

The real problem appears to be that f is not fully simplified, and therefore the Symbolic Toolbox tries to naively apply the Cha...

Why does abs cause bad matlabfunction evaluation?

The real problem appears to be that f is not fully simplified, and therefore the Symbolic Toolbox tries to naively apply the Cha...

6 Monate vor | 2

Beantwortet

How to save .mat files on the disk after each iteration?

Often, you would put all images with the same label in the same folder - Folders={'Label1','Label2','Label3'}; for j=1:nu...

How to save .mat files on the disk after each iteration?

Often, you would put all images with the same label in the same folder - Folders={'Label1','Label2','Label3'}; for j=1:nu...

6 Monate vor | 1

Beantwortet

Curve fitting a function that is dependent on a difference of 2d functions

There appears to be a simple analytical solution - constant=(0.0025)^(-5/3)*(2*Lambda^2*0.1816)/D^(1/3); DTV=(cX+cY)*consta...

Curve fitting a function that is dependent on a difference of 2d functions

There appears to be a simple analytical solution - constant=(0.0025)^(-5/3)*(2*Lambda^2*0.1816)/D^(1/3); DTV=(cX+cY)*consta...

7 Monate vor | 0

Beantwortet

Calling functions that have a variable name

That sounds like a bad idea. You should probably make a single function where (n,k) are one of the arguments - function oneFun...

Calling functions that have a variable name

That sounds like a bad idea. You should probably make a single function where (n,k) are one of the arguments - function oneFun...

7 Monate vor | 3

Beantwortet

Trapezoidal Rule of Convolution with Non-Uniform Intervals

I don't believe there is such a thing as the "Trapezoidal Rule of Convolution". Undoubtedly, you are thinking of the trapezoidal...

Trapezoidal Rule of Convolution with Non-Uniform Intervals

I don't believe there is such a thing as the "Trapezoidal Rule of Convolution". Undoubtedly, you are thinking of the trapezoidal...

7 Monate vor | 0

| akzeptiert

Beantwortet

cut the object in space (separate a 3D object into two distinct parts) using a plane

The IsoCut command here looks like it will do this - https://www.mathworks.com/matlabcentral/fileexchange/87112-isocut

cut the object in space (separate a 3D object into two distinct parts) using a plane

The IsoCut command here looks like it will do this - https://www.mathworks.com/matlabcentral/fileexchange/87112-isocut

8 Monate vor | 0

Beantwortet

How to trace the minimum and maximum lines of the image of the moirĂ© franges?

Something like this might also work - A=load('Image').Image; T=findEdges(A,'top',10); B=findEdges(A,'bottom',10); C=fin...

How to trace the minimum and maximum lines of the image of the moirĂ© franges?

Something like this might also work - A=load('Image').Image; T=findEdges(A,'top',10); B=findEdges(A,'bottom',10); C=fin...

8 Monate vor | 1

| akzeptiert

Beantwortet

Changing color in matlab

A = imread('xyz_converted.png'); [R,G,B] = imsplit(A); B=cat(3,G, 0*R,0*B); imshow(B)

Changing color in matlab

A = imread('xyz_converted.png'); [R,G,B] = imsplit(A); B=cat(3,G, 0*R,0*B); imshow(B)

8 Monate vor | 0

Beantwortet

Speed up process of passing each row of large array to external function

This reduces it to one loop, which should work with parfor - x = lambdas; % 1 x 1927 element vector intt=int'; logg=nan...

Speed up process of passing each row of large array to external function

This reduces it to one loop, which should work with parfor - x = lambdas; % 1 x 1927 element vector intt=int'; logg=nan...

8 Monate vor | 0

| akzeptiert

Beantwortet

Using datastore for a matrix

If you're not going to store your data in memory, then the training samples have to be split up into separate .mat files. You co...

Using datastore for a matrix

If you're not going to store your data in memory, then the training samples have to be split up into separate .mat files. You co...

9 Monate vor | 1

| akzeptiert

Beantwortet

fmincon with handle function input

No, the objective function that you give to fmincon can contain anything, but fmincon's algorithms will assume that the input-to...

fmincon with handle function input

No, the objective function that you give to fmincon can contain anything, but fmincon's algorithms will assume that the input-to...

9 Monate vor | 2

Beantwortet

Why is it necessary/useful to have a HandleCompatible attribute?

Maybe because in some cases you may want a class to have copy-by-reference semantics but you want its subclasses to have regular...

Why is it necessary/useful to have a HandleCompatible attribute?

Maybe because in some cases you may want a class to have copy-by-reference semantics but you want its subclasses to have regular...

9 Monate vor | 0

Beantwortet

How to prove that a destructor must be defined for the Value classes

I think there is an argument to be made for allowing destructors to be defined by value classes, but not for memory management p...

How to prove that a destructor must be defined for the Value classes

I think there is an argument to be made for allowing destructors to be defined by value classes, but not for memory management p...

10 Monate vor | 2

| akzeptiert

Beantwortet

Indexing a struct inside a struct

If Stint is a struct array, as you say, then it should be indexed with parentheses (), not braces {}, dataA.Stint(jj) Convers...

Indexing a struct inside a struct

If Stint is a struct array, as you say, then it should be indexed with parentheses (), not braces {}, dataA.Stint(jj) Convers...

10 Monate vor | 0

Beantwortet

In the framework FEX, How do I change the projection of 3d points in a different 2D plane (currently it is in XY and want to change it to YX)

Since this concerns an FEX submission, you should probably ask the question in the discussion page of that submission. However,...

In the framework FEX, How do I change the projection of 3d points in a different 2D plane (currently it is in XY and want to change it to YX)

Since this concerns an FEX submission, you should probably ask the question in the discussion page of that submission. However,...

10 Monate vor | 1

Beantwortet

How to adjust plots with several subplots with different loops?

ord={x,z,w}; for i=1:3 subplot(1,3,i); h=plot(ord{i},y,'LineWidth',4); [h.Color]=deal('cyan','red','blue...

How to adjust plots with several subplots with different loops?

ord={x,z,w}; for i=1:3 subplot(1,3,i); h=plot(ord{i},y,'LineWidth',4); [h.Color]=deal('cyan','red','blue...

12 Monate vor | 0

Beantwortet

Calculate multivariable equation with Matlab

You need some sort of model for the line slopes and intercepts as a function of the amperage. There are infinitely many that can...

Calculate multivariable equation with Matlab

You need some sort of model for the line slopes and intercepts as a function of the amperage. There are infinitely many that can...

etwa ein Jahr vor | 0

Beantwortet

find the index number using bsxfun command

bsxfun has been deprecated since R2016b. Just use implicit expansion. A = [12 13 15 1]; B = [1 2 12 15 10 13 11 14 3 4 5 6 7 8...

find the index number using bsxfun command

bsxfun has been deprecated since R2016b. Just use implicit expansion. A = [12 13 15 1]; B = [1 2 12 15 10 13 11 14 3 4 5 6 7 8...

etwa ein Jahr vor | 0

Beantwortet

How do I change only one variable in an equation and plot the response for this equation on a graph for all of the different values of this one variable?

F=1;K=1; DR = [0, 0.2, 0.4, 0.6, 0.8]; r=linspace(0,5)'; A = (F/K) ./ sqrt(((1 - (r.^2)).^2) + (4.*DR.^2.*r.^2)); plot...

How do I change only one variable in an equation and plot the response for this equation on a graph for all of the different values of this one variable?

F=1;K=1; DR = [0, 0.2, 0.4, 0.6, 0.8]; r=linspace(0,5)'; A = (F/K) ./ sqrt(((1 - (r.^2)).^2) + (4.*DR.^2.*r.^2)); plot...

etwa ein Jahr vor | 0

Beantwortet

Using the surf and meshgrid command

Use fimplicit3 instead fimplicit3(@(x,y,z) y - sin(x.* cos(z)) ,[-1,1] )

Using the surf and meshgrid command

Use fimplicit3 instead fimplicit3(@(x,y,z) y - sin(x.* cos(z)) ,[-1,1] )

etwa ein Jahr vor | 0

Beantwortet

Display outputs of lsqnonlin in APP designer

Use the OutputFcn option to obtain the values used to populate the iterative display. Then print those values whenever and howev...

Display outputs of lsqnonlin in APP designer

Use the OutputFcn option to obtain the values used to populate the iterative display. Then print those values whenever and howev...

etwa ein Jahr vor | 2

| akzeptiert

Beantwortet

Anyone know what is wrong with my T2* calculations?

The problem with try...catch is that if you have any coding errors in the try block, it will never get executed. Here, you are u...

Anyone know what is wrong with my T2* calculations?

The problem with try...catch is that if you have any coding errors in the try block, it will never get executed. Here, you are u...

etwa ein Jahr vor | 2

| akzeptiert