Catalytic
Content Feed
已回答
Loop through list of vectors (ie, the rows of a matrix), applying same "simple" function to each one, on GPU? Should I use arrayfun somehow?
It's hard to know exactly what's going on in your code, because every variable and function name has the string "measurement" i...
Loop through list of vectors (ie, the rows of a matrix), applying same "simple" function to each one, on GPU? Should I use arrayfun somehow?
It's hard to know exactly what's going on in your code, because every variable and function name has the string "measurement" i...
3 days 前 | 0
已回答
Delete Negative Duplicates from Array
X=rand(3,4); X=[X,-X(:,1)] [~,~,G]=unique([X,-X]','rows');; [N,~,bin]=histcounts(G,1:max(G)+1); bin=bin(1:end/2); X(:,...
Delete Negative Duplicates from Array
X=rand(3,4); X=[X,-X(:,1)] [~,~,G]=unique([X,-X]','rows');; [N,~,bin]=histcounts(G,1:max(G)+1); bin=bin(1:end/2); X(:,...
4 days 前 | 0
已回答
Matrixes not multiplying correctly using for loops
One loop - [n,w]=size(a); [h,m]=size(b); if w~=h error('Inner dimensions do not agree.') end c=0; for k = 1 : w ...
Matrixes not multiplying correctly using for loops
One loop - [n,w]=size(a); [h,m]=size(b); if w~=h error('Inner dimensions do not agree.') end c=0; for k = 1 : w ...
9 days 前 | 1
已回答
Weird unexplainable results when fitting gaussian curve
Supply a better initial guess than what fit() defaults to - load data a0=max(y2) %initial a b0=x(find(y2==max(y2),1)) %in...
Weird unexplainable results when fitting gaussian curve
Supply a better initial guess than what fit() defaults to - load data a0=max(y2) %initial a b0=x(find(y2==max(y2),1)) %in...
11 days 前 | 1
已回答
How to find the span of a matrix in matlab?
Use orth and null, A = [-1 -5 -1 10 0 5; 1 5 0 -4 0 -5;2 10 -1 -2 -1 -7;-1 -5 2 -8 2 -1]; spanset=orth(A) rank([A,spanset])...
How to find the span of a matrix in matlab?
Use orth and null, A = [-1 -5 -1 10 0 5; 1 5 0 -4 0 -5;2 10 -1 -2 -1 -7;-1 -5 2 -8 2 -1]; spanset=orth(A) rank([A,spanset])...
28 days 前 | 0
已回答
How to use GPU to speed up computation?
Using the GPU in conjunction with parfor will not be productive unless you have a multi-GPU system and assign each parpool worke...
How to use GPU to speed up computation?
Using the GPU in conjunction with parfor will not be productive unless you have a multi-GPU system and assign each parpool worke...
1 month 前 | 2
已回答
Discretizing a column array, and performing operations on elements of another column array of the same length that lie in the same bins as the original one
I=findgroups(discretize(Z,edges)) ; S=sparse(I,(1:numel(I))', 1); S=S./sum(S,2); Fbinned = S*F;
Discretizing a column array, and performing operations on elements of another column array of the same length that lie in the same bins as the original one
I=findgroups(discretize(Z,edges)) ; S=sparse(I,(1:numel(I))', 1); S=S./sum(S,2); Fbinned = S*F;
1 month 前 | 0
已回答
Uploading .mat files that contain nested structs into a datastore
I think the wisest course would be to reorganize your data and assign each "Unit" to its own separate .mat file.
Uploading .mat files that contain nested structs into a datastore
I think the wisest course would be to reorganize your data and assign each "Unit" to its own separate .mat file.
1 month 前 | 1
| 已接受
已回答
Finding Transformation Matrix of a viewer3d object
Maybe you could use estimateCameraParameters using a list of hand-picked points.
Finding Transformation Matrix of a viewer3d object
Maybe you could use estimateCameraParameters using a list of hand-picked points.
1 month 前 | 1
已回答
How to restructure my objective function to optimise using genetic algorithm?
Follow this example - https://www.mathworks.com/help/gads/ga-nonlinear-constraint-problem-based.html
How to restructure my objective function to optimise using genetic algorithm?
Follow this example - https://www.mathworks.com/help/gads/ga-nonlinear-constraint-problem-based.html
1 month 前 | 0
| 已接受
已回答
Zeroing matrix elements outside of a certain range.
Zeroing the data will not exclude it from the average. You should use NaNs, data = [1;2;3;4;5].*ones(5,2).*[0.5,0.4] range =...
Zeroing matrix elements outside of a certain range.
Zeroing the data will not exclude it from the average. You should use NaNs, data = [1;2;3;4;5].*ones(5,2).*[0.5,0.4] range =...
1 month 前 | 0
已回答
Scattered Interpolant in matlab
No. There is no such thing as spline interpolation or extrapolation when you are dealing with scattered data. It is inherently a...
Scattered Interpolant in matlab
No. There is no such thing as spline interpolation or extrapolation when you are dealing with scattered data. It is inherently a...
1 month 前 | 1
已回答
How can the data be accurately clustered?
Maybe clusterdata would be useful. It has lots of different algorithmic options you could try.
How can the data be accurately clustered?
Maybe clusterdata would be useful. It has lots of different algorithmic options you could try.
1 month 前 | 0
已回答
How do I add transparency to a plot in the Live Editor?
I find that this makes the lines dim in the Live Editor, like they appear in your post - plot([0, 1],[0, 1; 1, 0], 'Color', [1 ...
How do I add transparency to a plot in the Live Editor?
I find that this makes the lines dim in the Live Editor, like they appear in your post - plot([0, 1],[0, 1; 1, 0], 'Color', [1 ...
1 month 前 | 0
已回答
Unable to find explicit solution in Lagrangian optimization
An analytical solution for 0<rho<1 is - A=[1 0; 0 1; -1 0; 0 -1]*E; [fval,i]=min(A*[p1;p2]); e1=A(i,1); e2=A(i...
Unable to find explicit solution in Lagrangian optimization
An analytical solution for 0<rho<1 is - A=[1 0; 0 1; -1 0; 0 -1]*E; [fval,i]=min(A*[p1;p2]); e1=A(i,1); e2=A(i...
2 months 前 | 1
| 已接受
已回答
error Unrecognized function or variable help me please :(!
signalsCell=load('signals').signals; PlotSignal(signalsCell, 3) function PlotSignal(signalsCell, n) Headings=signals...
error Unrecognized function or variable help me please :(!
signalsCell=load('signals').signals; PlotSignal(signalsCell, 3) function PlotSignal(signalsCell, n) Headings=signals...
2 months 前 | 1
已回答
difficulties using fmincon codes
however it still uses @SomnathsFunc2 i would be happy to exclude rather than this cant we direclty add that part in code rather ...
difficulties using fmincon codes
however it still uses @SomnathsFunc2 i would be happy to exclude rather than this cant we direclty add that part in code rather ...
2 months 前 | 1
| 已接受
已回答
Get equation of the surface from curve fitting
I would like to get a mathematical function that describes the surface of the 3D space, so I can, given a N and phi, get a value...
Get equation of the surface from curve fitting
I would like to get a mathematical function that describes the surface of the 3D space, so I can, given a N and phi, get a value...
2 months 前 | 0
已回答
Adoption of Name=Value in Function Calls what is best practice?
One situation where you have to stick with the old style anyway is when you want to pre-package your name value pairs in a cell ...
Adoption of Name=Value in Function Calls what is best practice?
One situation where you have to stick with the old style anyway is when you want to pre-package your name value pairs in a cell ...
2 months 前 | 0
已回答
Create a node in the space between two nodes (A and B) and following the direction normal to a node (N)
A = [-25.5530 -185.3199 -211.6502]; B = [-25.4769 -185.6468 -211.2523]; N = [-25.4602 -185.4676 -211.6694]; C=(...
Create a node in the space between two nodes (A and B) and following the direction normal to a node (N)
A = [-25.5530 -185.3199 -211.6502]; B = [-25.4769 -185.6468 -211.2523]; N = [-25.4602 -185.4676 -211.6694]; C=(...
2 months 前 | 0
已回答
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...
2 months 前 | 1
已回答
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 =...
2 months 前 | 0
已回答
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...
2 months 前 | 2
已回答
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
2 months 前 | 0
已回答
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...
2 months 前 | 2
已回答
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...
2 months 前 | 0
已回答
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.
3 months 前 | 0
已回答
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.
3 months 前 | 0
已回答
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...
4 months 前 | 2
已回答
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...
5 months 前 | 1