Fit to just half a parabola
Hi there, I have some simple XY data, and I can fit a quadratic to it as follows: X = [25.4 30.48 35.56 40.64 45.72 5...

### 0

deploypcode(source_dir, target_dir, varargin)
DEPLOYPCODE recursively searches a directory for .m files, creating encrypted .p files with .m help

9年以上 前 | ダウンロード 2 件 |

how can i remove object bigger than x pixel
Hi Lukasz, Here's an example that removes all objects greater than 1000 pixels in area. You probably have your own *BW* image...

9年以上 前 | 1

| 採用済み

getframe difference in 2014b.... bug?
The following code run in 2014a and 2014b produces remarkably different results. I think it's a bug. figure('Position',[100...

9年以上 前 | 1 件の回答 | 1

### 1

octree - partitioning 3D points into spatial subvolumes
OcTree recursively splits a large set of points into smaller subvolumes. A QuadTree but in 3D.

9年以上 前 | ダウンロード 13 件 |

splitFV - split a mesh
Splits a 2D or 3D mesh defined by faces and vertices into separately connected mesh pieces.

10年弱 前 | ダウンロード 6 件 |

Question regarding matrix index
Hi jana, Try this: X = [1 2 3 4 5; 3 inf 5 7 inf; 5 6 7 inf inf; 2 3 4 9 1] [val, rowNum] = ...

10年弱 前 | 0

Get new variable with elements from a double matrix & cell array given a specific condition
Hi Maria, This code should do what you're looking for: A = { '19970102' '00000127' 'MORRISON' '00148' 'BA' '199701...

10年弱 前 | 0

| 採用済み

identifying number on dice
Hi Sameer, Here's what I would do. It's a little like IA's bwareaopen suggestion. It tries to make minimal assumptions other th...

| 採用済み

Hi Ella, The code below should do what you're looking for. I displayed the result as an image but you can just look at the fi...

| 採用済み

Creating an array without mesgrid
You're very close: for i=1:3 for j=1:3 X(i,j)=j; Y(i,j)=i; end end No...

| 採用済み

Finding signal to noise ratio
Hi Tinkul, does this help you out? I assume that the values you gave are already in your desired units (although true SNR is bas...

| 採用済み

how to simplify connected blobs

how to simplify connected blobs
Hi Sukuchha, I think that you just need to do this: XY = [0 0; 1 0; 1 1; 0 1]; % unclosed XY points XY_closed = XY(...

| 採用済み

How to write a function that returns the element that is the center of a vector or matrix?
Hi Kimberly, try this: % Set up some input x = [1 2 3 4 5 8 1 1 2] % Grab the middle column(s) x...

Output matrix for simple function
Hi Derek, MATLAB has some useful ways to do what you're trying to do. If you use the (.*) operator instead of (*), it will pe...

How can I calculate the perimeters of Delaunay triangles?
Hi ZhG, Here is some code that shows a few different ways of getting the perimeter of triangles. It first just shows the leng...

2D Plotting With Non Numeric X Axis
Hi Dan, Try this code, there's a *dateaxis* command perfect for what you want: xVals = datenum(0,1:12,1); % The first da...

Problem of inserting values into array within a for loop
Hi Kornelia, This one has a straight forward answer. perimeterLength = regionprops(blob, 'Perimeter'); will always re...

| 採用済み

How can I share image data between callbacks?
Hi Saurabh, This one has a simple solution. Note the call in your first function: handles.pushbutton1 = imread(uigetfile...

Performing stats on subsections of a matrix
Hi Swisslog, Try this: a = [1 1 1 2 2 4; 3 5 4 7 2 5]; % Pack your matrix contents into a cell array [unqA,~,grps]...

| 採用済み

Why is my surf animation so slow?
Hi Phil, There are a few things you can do to speed this up. Firstly, the *pause* command will force your loop to sit idle...

| 採用済み

How do I change Grid Size in R2013a?
Hi Edgar, You can set the *XTick* locations of an axis (or the current one via *gca*) directly: tickValues = min(x):0.1:...

| 採用済み

dbarray - pack and unpack database arrays to matlab arrays
dbarray lets you directly send/fetch array[] type database fields into native MATLAB variables

Contributors metainfo: reputation and more
*Recent news:* ... and *BAM!* Walter hits *25,000*! Congratulations are in order again. It's impressive to see, but depressin...

how to project images on the side walls of a 3D surf plot
Hi Konstantinos, Does this code get you on your way? R = 0:0.1:1; z = cos(-R); % that'd be your current y-f...

| 採用済み

What's on your personal MATLAB to-do list?
A triangulation3d class which would basically inherit the standard triangulation class, but add useful features specifically for...

What's on your personal MATLAB to-do list?
What MATLAB tools or functions have you been thinking about making but haven't quite gotten around to it? It can be something...

### 6

Reading lines from a text file and storing them into an array.
Hi Surush, The trick is to put each line in an element of a cell array. Here's some commented code that does what you're t...

| 採用済み