Community Profile

# Ahmet Cecen

### Personal Account

230 total contributions since 2012

View details...

Contributions in
View by

How do I get a zoomed portion of a plot inside a plot, to enhance the visualization?
I am giving you the framework that you can use to do this the way you want. Every component of what you asked is there, they are...

3 hours ago | 1

I want to convert from Cartesian to spherical coordinates in MATLAB. I have tried to use cart2sph in MATLAB but it is showing some error
You have to actually input the x, y and z vectors separately.Like [azimuth,elevation,r] = cart2sph(V(:,1),V(:,2),V(:,3));

3 hours ago | 0

How to reshape a 3D array to 2D array along the diagonals?
Checkout: <https://www.mathworks.com/help/matlab/ref/blkdiag.html blkdiag>

1 day ago | 1

| accepted

is there any way to set up a script to run a general amount of nested loops?
Why not just do val(1,:,:) or val(i,:,:)?

2 days ago | 0

Index a row of a matrix using as indexes specific ordered elements
This should work for most cases, it will also catch cases that wrap around though like a row [4 3 5]: [row column] = find((...

3 days ago | 1

| accepted

how to create my own library in Matlab?
MATLAB does have in some sense an overlooked and under-utilized analogue to libraries called <https://www.mathworks.com/help/mat...

4 days ago | 0

. . . .
You for got a dot somewhere: x=[0:1:15]; y=[0:1:15]; [xx,yy]=meshgrid(x,y); zz=xx+(2*xx.*yy.^2)+3*xx; % HERE surf(x...

7 days ago | 0

| accepted

Error in function at if-elseif
x is a vector at this point so your comparisons are not resolving to a single true false. I am guessing this is what you meant t...

8 days ago | 1

| accepted

How do I get a script to wait until a figure is closed?
_uiwait_ will probably halt the execution completely. I think you want the program to keep running until the figure is closed in...

8 days ago | 0

Multiplication of Array of Matrices with Array of scalars
I believe you are over-complicating your problem by thinking as if you are working things out on a board. Your operation is sepa...

8 days ago | 0

How to add new rows in an existing .mat file?
Take a loot at this: <https://www.mathworks.com/help/matlab/ref/matfile.html MATFILE>. This is actually a function, and you c...

9 days ago | 1

How can i get the coordinates of a location from (e.g.) Google Maps into matlab?
To do this in an automated where you click on a map point and a coordinate appears in MATLAB in real time would require a massiv...

9 days ago | 0

| accepted

How can I input values through variables in a multi-variable equation
This should help: <https://www.mathworks.com/help/matlab/matlab_prog/anonymous-functions.html Anonymous Functions>

10 days ago | 0

how to save a name in a cell
If you intended to use cells, they are indexed with curly brackets: category{k} = v;

11 days ago | 0

| accepted

How can I visualize a 3D matrix with boolean values (0 or 1)?
<https://www.mathworks.com/help/matlab/ref/isosurface.html Isosurface> is one way. <https://www.mathworks.com/matlabcentral/...

14 days ago | 0

| accepted

remove connected small objects in image
Look at <https://www.mathworks.com/help/images/ref/imopen.html imopen>. This might be an easy way to treat this particular case....

14 days ago | 0

| accepted

Subscript indices must either be real positive integers or logicals?
There is a more fundamental issue here: inv(A + u*u')=invA - 1/Z * invA * u*u' * invA The above line indicates that you ...

15 days ago | 1

| accepted

How to delete values using logical operator.
function f=test7() clc; r=[2 4 3 1 8 7 6 1 6 0]; r(r==4|r==6)=[]; f=r; end

15 days ago | 0

| accepted

HELP!! I need to use a loop to make my cell array
Huh, my answer to this question seems to have disappeared. cat(2,master_location{:}) This should solve your specific pro...

15 days ago | 0

Creating vectors from 0 to 1, i.e. 0:0.01:1 leads to invisible rounding errors?
Check "eps". Those are numerical artifacts introduced because you are accessing decimal points beyond the accuracy of MATLAB(dou...

15 days ago | 0

| accepted

How to use k means segmentation to segment color image without converting it into gray scale?
Read <https://www.mathworks.com/help/stats/kmeans.html#inputarg_X K-Means>, especially the part about "X" (the input). An image ...

15 days ago | 1

I want to get rid of unwanted blobs in the segmented image (i only need fruits in the image). Please suggest me a solution and attaching the image
Grab the red channel of that image and manually crop a portion of the red fruit as a small template (use "crop") run: normx...

15 days ago | 0

3D Interpolation around solid regions in volume data
If you have geometric knowledge of the invalid regions, one workaround is to eliminate them from the interpolation process. Use ...

1 month ago | 0

Submitted

IsoSlicer
A GUI to help create transparent 3D isosurface maps of volumetric data.

Submitted

Multivariate Polynomial Regression
Performs polynomial regression on multidimensional data.

crop a binary mask without other regions
If your images always contain 2 clearly separated entities, use `bwconncomp` or `bwlabel`. Many ways to do this. For example:...

1 year ago | 1

| accepted

Speed up Matrix Subtraction for Euclidean Distance calculation
If you have the stats & ML toolbox: NS = createns(M1'); % Create Search Object for The Train Set Idx = knnsearch(NS,M2')...

1 year ago | 1

| accepted