Community Profile

photo

Catalytic


Last seen: Today
67 2019 年以降の合計貢献数

Catalytic's バッジ

  • 6 Month Streak
  • Thankful Level 1
  • Knowledgeable Level 3
  • First Answer

詳細を表示...

貢献した分野
表示方法

回答済み
accessing cell data using brace indexing,
You need to check what predictors really is. It is not a cell array, as you believe.

25日 前 | 0

回答済み
Load mat files more efficiently than if, elseif statement
filename=fullfile('Documents/event_picks', "event"+events); S=load(filename); x1=S.x1; y1=S.y1;

25日 前 | 0

| 採用済み

回答済み
How to find min, max, and movmean for each page in multidimensional arrays
MIN=min(A,[],[1,2]); MAX=max(A,[],[1,2]); MOVMEAN=convn(A,ones(1,k)/k,'valid');

2ヶ月 前 | 0

回答済み
How can I use graph object info to find: areas, number of sides, and perimeter lengths of a each connected polygon within a network of polygons?
Your attachment doesn't contain a graph object. However, perhaps it will help to mention that if you have the vertices of a poly...

2ヶ月 前 | 0

回答済み
Could someone write some code to extract details within a for loop?
Something like this.... function stuff=getStuff(tgraph,arcNumber) AP=tgraph.ArcPoints; i=arcNumber; ...

3ヶ月 前 | 0

質問


Why is help() malfunctioning
Matlab seems to know that the help command is there, at least as far as which() is concerned >> which -all help C:\Program Fil...

3ヶ月 前 | 1 件の回答 | 0

1

回答

回答済み
Integrating a function including mvnpdf. Error: Input function must return 'double' or 'single' values. Found 'sym'.
Yes, that is the reason. Maybe you have made sigma or mu symbolic variables?

4ヶ月 前 | 0

回答済み
Plotting two functions with ranges in one plot
You could also edit away the data points you don't want h=plot(x, M1, x, M2); ylim([-120,20]); h(1).XData(6:7)=[]; h(...

5ヶ月 前 | 0

回答済み
Using relative tolerance with fmincon
Can you please update the document that stated that tolerances are absolute (it was posted by MATLAB staff)? No, we cannot. On...

5ヶ月 前 | 0

回答済み
Confusion matrix not being clearly visible for larger output classes
See the ConfusionMatrixChart Properties.

5ヶ月 前 | 0

回答済み
Why do I keep getting the error message array indices must be positive integers or logical values?
Why do I keep getting the error message array indices must be positive integers Because the h in X(h) is non-integer and the 0 ...

5ヶ月 前 | 0

回答済み
optimization problem with two variable maxima and minima
fun=@(x) [2*x(1)^2+23.08*x(2)^2+4*(6+x(1))^2+24+14*(x(1)^2 +x(2)^2)^0.5+3*(x(1)^2+x(2)^2)-Y;... prod(x)-1]; x=fsol...

6ヶ月 前 | 0

回答済み
matrix multiplication for "3-D" matrices
If you have the parallel computing toolbox, you can do this on the GPU with pagefun(@mtimes,A,B) but this may only provide gai...

6ヶ月 前 | 0

回答済み
how to have function with scalar value
"I have a code and 2 objective functions" If you really do want to treat this as a multi-objective problem, you should probably...

6ヶ月 前 | 0

回答済み
Build new matrix from look up table
C=CD( interp1(B,1:numel(B),A,'nearest') );

6ヶ月 前 | 1

| 採用済み

回答済み
how to calculate area, perimeter and circularity of objects in an image using regionprops
Notice - >> a=1; %not displayed >> b=2, %displayed b = 2

6ヶ月 前 | 0

回答済み
calculate std and mean for multiple variables automated
Observe - >> input=rand(10,5) input = 0.8147 0.1576 0.6557 0.7060 0.4387 0.9058 0.9706 0.0357...

6ヶ月 前 | 1

回答済み
Accessing table variables in a class method
Here is an example to demonstrate that accessing tables by variable name works fine with value classes. Subclassing from 'handle...

6ヶ月 前 | 1

| 採用済み

回答済み
How to curve fit an equation with sigma function
C = polyfit( sqrt( x.^2+y.^2) , Z, N)

7ヶ月 前 | 1

回答済み
How can i determine the area in percentage of a clustered image?
Divide the membership of each cluster by the total number of pixels.

7ヶ月 前 | 0

回答済み
Dimension of arrays being concatenated are not consistent.
Some things you urgently need to learn: https://www.mathworks.com/help/matlab/ref/dbstop.html https://www.mathworks.com/help/m...

7ヶ月 前 | 1

回答済み
Plotting points in style [x1,y1] , [x2,y2], [x3,y3] and them plot all of them?
No, but you can certainly write your own wrapper for any of the plotting functions to give you the input syntax that you want.

7ヶ月 前 | 0

回答済み
Index exceeds array bounds
The only solution: https://www.mathworks.com/help/matlab/matlab_prog/debugging-process-and-features.html#responsive_offcanvas

7ヶ月 前 | 0

| 採用済み

回答済み
hi every one, i need to ask a question, thank you
A=double(A); A(logical(A))=B;

8ヶ月 前 | 0

質問


Can symbolic vectors (not vectors of symbols) be defined and manipulated in the Symbolic Math Toolbox?
I would like to define symbolic functions that are functions of vector-valued quantities, like syms A x f(x)=x.'*A*x where A ...

8ヶ月 前 | 1 件の回答 | 0

1

回答

回答済み
Why does skeletonization sometimes reduce horizontal rectangles to single pixels?
Remember what bwskel is doing. It is peeling the outer pixels of the rectangles like an onion over and over again until it reach...

8ヶ月 前 | 0

回答済み
Translation for an ellipsoid ?
Is there anyway to do this such that later on I need the coordinates of the rotated followed by translated ellipsoid. You can d...

9ヶ月 前 | 0

質問


Nested Functions versus Global Variables
Why are nested functions better for sharing variables between workspaces than global variables? There doesn't seem to be much di...

9ヶ月 前 | 1 件の回答 | 0

1

回答

回答済み
scatteredInterpolant in nonlinear system
In the first global declaration, etac is missing from the list. global Hm pe1 pe2 pe3 etae2 etae3 qmax1 qmax2 qmax3 %<--- add...

9ヶ月 前 | 0

回答済み
Why does fplot think my function is not vectorized
Here's a workaround to trick fplot into doing the right thing.

9ヶ月 前 | 1

Load more