Answered
How to plot a polytope in MATLAB using a given matrix ?
Hi @Ankur Deka. There's already a nice article on this topic. Please see https://mathworks.com/help/matlab/math/computing-the-co...
How to plot a polytope in MATLAB using a given matrix ?
Hi @Ankur Deka. There's already a nice article on this topic. Please see https://mathworks.com/help/matlab/math/computing-the-co...
2 years ago | 0
Answered
How to correlate vector and matrix time series?
If you're asking about code only, i.e., not statistical methdology, it would look this: % Example data. Using a smaller grid si...
How to correlate vector and matrix time series?
If you're asking about code only, i.e., not statistical methdology, it would look this: % Example data. Using a smaller grid si...
2 years ago | 1
| accepted
Answered
How to take some points uniformly on the surface of the 3D model
Firstly, I'm assuming your model is in a triangular mesh format. If it's a point cloud, you can triangulate it with the alphaSha...
How to take some points uniformly on the surface of the 3D model
Firstly, I'm assuming your model is in a triangular mesh format. If it's a point cloud, you can triangulate it with the alphaSha...
2 years ago | 1
| accepted
Answered
multi seed region growing
Hi @MEHRDAD moghbel and @Arnau Diez Clos. I recently published the bwgrowregions function on File Exchange which segments binary...
multi seed region growing
Hi @MEHRDAD moghbel and @Arnau Diez Clos. I recently published the bwgrowregions function on File Exchange which segments binary...
2 years ago | 0
Answered
Region growing for multiple seeds in Matlab
Hi @med-sweng, your question is vague as to your requirements - there are many different forms of region growing. Nevertheless,...
Region growing for multiple seeds in Matlab
Hi @med-sweng, your question is vague as to your requirements - there are many different forms of region growing. Nevertheless,...
2 years ago | 0
Answered
how to build a graph from a skeleton
Another method, using my bwgraph function from File Exchange. % Load binary vessel map and skeletonize. img = imread( "binaryV...
how to build a graph from a skeleton
Another method, using my bwgraph function from File Exchange. % Load binary vessel map and skeletonize. img = imread( "binaryV...
3 years ago | 0
Answered
Check if filename is valid.
Hi Qingyang, I recently released the isvalidpath function on File Exchange which does exactly this! Like @Daniele Busi's answer...
Check if filename is valid.
Hi Qingyang, I recently released the isvalidpath function on File Exchange which does exactly this! Like @Daniele Busi's answer...
3 years ago | 0
Submitted
Validate path syntax, type, and extension
Check paths before saving/exporting, with human readable feedback.
3 years ago | 17 downloads |
Answered
shortestpath between two points on skeleton in binary image
Hi Sepideh. To expand upon @Ashish Uthama's answer, if you want to go down the shortestpath route which uses Dijkstra's algorith...
shortestpath between two points on skeleton in binary image
Hi Sepideh. To expand upon @Ashish Uthama's answer, if you want to go down the shortestpath route which uses Dijkstra's algorith...
3 years ago | 0
Answered
Shortest path in grayscale image
Hi Zuzana. Late to the party, but one way would be to use my bwgraph function on File Exchange. See the example below. % im is ...
Shortest path in grayscale image
Hi Zuzana. Late to the party, but one way would be to use my bwgraph function on File Exchange. See the example below. % im is ...
3 years ago | 1
Answered
Random maze solving algorithm with matrix
Hi Silviu. One solution is to use my bwgraph function on File Exchange to contruct a graph from the matrix, and then the built-i...
Random maze solving algorithm with matrix
Hi Silviu. One solution is to use my bwgraph function on File Exchange to contruct a graph from the matrix, and then the built-i...
3 years ago | 0
Submitted
bwgraph: Graph of connected pixels in images and volumes
Use to find the shortest path between 2 pixels or voxels.
3 years ago | 91 downloads |
Answered
how can i draw a coordinate system of unit vectors?
Hi Christian. For future reference, my plotframe function on File Exchange makes this easy. It's as simple as: plotframe( rotat...
how can i draw a coordinate system of unit vectors?
Hi Christian. For future reference, my plotframe function on File Exchange makes this easy. It's as simple as: plotframe( rotat...
3 years ago | 0
Answered
trplot function not plotting a 4x4 matrix
I assume that you want to plot the different coordinate systems, so that you can see the effect of your rotation. While I'm not...
trplot function not plotting a 4x4 matrix
I assume that you want to plot the different coordinate systems, so that you can see the effect of your rotation. While I'm not...
3 years ago | 0
Answered
Adding XYZ axis in RGB colors in the corner of a plot
Heres what I think is a pretty nice solution. The coordinate system bases (arrows) are plotted with my plotframe function on Fil...
Adding XYZ axis in RGB colors in the corner of a plot
Heres what I think is a pretty nice solution. The coordinate system bases (arrows) are plotted with my plotframe function on Fil...
3 years ago | 1
Answered
I want to plot3 x y z axis and how it moves as rotation matrix.
Hi 동후, you can plot the axes (basis vectors) of the rotation matrix with my plotframe function on File Exchange. When you change...
I want to plot3 x y z axis and how it moves as rotation matrix.
Hi 동후, you can plot the axes (basis vectors) of the rotation matrix with my plotframe function on File Exchange. When you change...
3 years ago | 0
Answered
3D space and coordinate reference systems
Hi Ocram. You can use my plotframe function on File Exchange, with the name-value argument ShowArrowHead='off', as in: plotfra...
3D space and coordinate reference systems
Hi Ocram. You can use my plotframe function on File Exchange, with the name-value argument ShowArrowHead='off', as in: plotfra...
3 years ago | 0
Answered
Plotting body coordinate system in Matlab
Hi Verena, I'm a few years late, but hopefully this will help somebody in the future. To plot each rigid body of your system, y...
Plotting body coordinate system in Matlab
Hi Verena, I'm a few years late, but hopefully this will help somebody in the future. To plot each rigid body of your system, y...
3 years ago | 0
Submitted
deepreplace: Replace string segments in nested objects
NEWDATA = DEEPREPLACE(DATA,MATCH,REPLACEMENT) replaces all occurrences of substring(s) MATCH with REPLACEMENT at any level of ob...
3 years ago | 3 downloads |
Answered
question regarding 'copyfile' function from folder to folder
Agree with @Yu Li. Lots of problems in the documentation for copyfile and movefile. No comment in documentation of overwriting....
question regarding 'copyfile' function from folder to folder
Agree with @Yu Li. Lots of problems in the documentation for copyfile and movefile. No comment in documentation of overwriting....
4 years ago | 3
Answered
How to stop a for loop after comparing one value from an array with another value from another array?
Happy new year! What an appropriate time to answer this question... 😂 My understanding, from reading the comments, is that you ...
How to stop a for loop after comparing one value from an array with another value from another array?
Happy new year! What an appropriate time to answer this question... 😂 My understanding, from reading the comments, is that you ...
4 years ago | 1
| accepted
Answered
logical indexing possible to increase speed?
% Dummy timestamps for 32 second, 26 Hz signal starting at 31416 seconds. signalDuration = 32; hz = 26; startTime = 31416; A...
logical indexing possible to increase speed?
% Dummy timestamps for 32 second, 26 Hz signal starting at 31416 seconds. signalDuration = 32; hz = 26; startTime = 31416; A...
4 years ago | 0
| accepted
Answered
Can anyone give me matlab code for trajectory of logistic map (x_n vs N)?
Hi Manish, I can see that you already searched and found an answer with code. I kindly suggest that you try first and ask questi...
Can anyone give me matlab code for trajectory of logistic map (x_n vs N)?
Hi Manish, I can see that you already searched and found an answer with code. I kindly suggest that you try first and ask questi...
4 years ago | 0
Answered
Functional programming: looking to create functions that map f(p1,p2,p3,...,pN,x) to g([p1 p2 p3 ... pN],x) and the reverse
You're so close! You just need to understand Comma-Separated Lists and varargin. g = @(f,x,p) f( x, p{:} ); h = @(f,x,varargin...
Functional programming: looking to create functions that map f(p1,p2,p3,...,pN,x) to g([p1 p2 p3 ... pN],x) and the reverse
You're so close! You just need to understand Comma-Separated Lists and varargin. g = @(f,x,p) f( x, p{:} ); h = @(f,x,varargin...
4 years ago | 0
Answered
Removing specific characters from string in nested cells
The others are right to fix the root problem causing the tricky nested cell array. Having said that, for future reference, my de...
Removing specific characters from string in nested cells
The others are right to fix the root problem causing the tricky nested cell array. Having said that, for future reference, my de...
4 years ago | 0
Answered
How to add letters to the end of words in a string.
Old question, but for future reference, you can also do this using the plus operator and strings. The only downside is that the ...
How to add letters to the end of words in a string.
Old question, but for future reference, you can also do this using the plus operator and strings. The only downside is that the ...
4 years ago | 0
Answered
How do I take an average of fields in a structure?
An improvement over Walter's answer would be to use my fieldfun function on File Exchange / GitHub, which outputs a structure wi...
How do I take an average of fields in a structure?
An improvement over Walter's answer would be to use my fieldfun function on File Exchange / GitHub, which outputs a structure wi...
4 years ago | 0
Answered
find length of a field within structure and specific values
The problem with the structfun approach is that the array output relates to the structure's field order. If you don't want to re...
find length of a field within structure and specific values
The problem with the structfun approach is that the array output relates to the structure's field order. If you don't want to re...
4 years ago | 0
Answered
How to search a field in a structure and extract all fields that match
Old question, but for future reference, most likely you wanted to use a table, not a structure of cell arrays, as this makes it ...
How to search a field in a structure and extract all fields that match
Old question, but for future reference, most likely you wanted to use a table, not a structure of cell arrays, as this makes it ...
4 years ago | 0
Answered
structfun output array not working
Old question, but my fieldfun function on File Exchange / GitHub will process the fields of structure timelockdata and output a ...
structfun output array not working
Old question, but my fieldfun function on File Exchange / GitHub will process the fields of structure timelockdata and output a ...
4 years ago | 0