# Amit Ifrach

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Question

Failing to create matrix from cell array in several ways

לק"י Hi guys, I have a cell array in 64X61X21 size. I want to make a matrix of the values (no vectors) within specific area...

ungefär 2 månader ago | 1 answer | 0

### 1

answerQuestion

Display/highlight specific pixels of in image

לק"י Hello guys, A short code was written to allow me to gather data about cells masks that were clicked on in a figure. I wa...

2 månader ago | 2 answers | 0

### 2

answersQuestion

draw polygon continuously with mouse

לק"י Hi guys, I need to contour some cells. I want to use the drawpolygon command, or an equivalent of it, that will record mo...

2 månader ago | 1 answer | 0

### 1

answerQuestion

UIfigure value changes on a while loop

לק"י Hello! I have a time series stack of cell masks of 21 timepoints. each mask has a unique gray scale value of its own. I ...

3 månader ago | 1 answer | 0

### 1

answerQuestion

Is it possible to make a large range bin to take less area over X axis?

לק"י Hello! I ploted some data over a histogram. the edges vector is this: edges=[0:0.1378:8.2668 61.8908]; And the plot com...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Scatter plot does not display multiplied values

לק"י Hello! I want to scatter plot some data (two vectors and two numbers). when I scatter them the plot is correct. If I add...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

column vector from another vector

לק"י Hi I think it is a very simple question, but i coulnd't find a quick answer to this.. I want to create column vector from...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

creating cell array using find command

לק"י Hello! I got cell array that contain alot of data. I want to create a new cell array, identical to the original one, bu...

ungefär ett år ago | 2 answers | 0

### 2

answersQuestion

Is it possible to go down a row and still run the code?

לק"י Hello, I have a code line when building a cell array that will contain alot of values. the code is going way to the right...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Masking images/matrixes

לק"י Hello! I got an image of some stained cells: And I have a grayscale mask such as this: (different shades are co...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

complex logical indexing?

לק"י Hello! lets assume I want to logically index a vector, or create a new vector that will hold the results of these logic...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Normalized data to lookup table

לק"י Hello! I got a normalized vector which I want to make as an index for lookup table (preferablt in heatmap colors or blu...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

pre allocating / extracting data from vector based on condition

לק"י Hello! I want to find a way other then if statement to go through vector and check if some conditions apply to each cel...

mer än ett år ago | 0 answers | 0

### 0

answersRound values to specific number

Thank guys, you all helped me very much!

mer än ett år ago | 0

Question

Round values to specific number

לק"י Hi, I try to discretize vector A by vector edges. for example: edges = [0:10^5:max(A)]; dsc = discretize(A, edges);...

mer än ett år ago | 3 answers | 0

### 3

answersQuestion

short way to bar plot a discretize vector?

לק"י Hello! I want to take a vector A, and bar plot it using specific bins (defiend by 'edges' vector). I want the plot to sho...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

argument gets deleted without a reason (Invalid or deleted object. Error in images.roi.Freehand/get.Position )

לק"י Hi guys, i wrote a code and i get sometimes appears an error that an object is invalid or been delted. i went through...

nästan 2 år ago | 1 answer | 0

### 1

answerimage axes modification/ pixel extension

Hi Karim and Image Analyst, thanks! I tried to read about the mask option on the regionprops page but it seems non-existent. ...

nästan 2 år ago | 0

Question

image axes modification/ pixel extension

Hello guys, I wrote a code that imports PNG image (microscopre source, 30 nm pixel size) and overlays certain spot locations ...

nästan 2 år ago | 3 answers | 0

### 3

answersQuestion

loop of exportgraphics fails for dot indexing only in the second loop

Hello guys, how are you? I got a piece of my code which meant to show and export a histogeram automatutically. it works somew...

nästan 2 år ago | 2 answers | 0

### 2

answersQuestion

readcell command undefined?

לק"י Hi guys, I try to use readcell command, but it seems it is not recognized by matlab. i thought it may be an external ...

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

splitapply doesn't split well into bins

לק"י Hi guys, I wanted splitapply command to split to 90 different bins. somewhy it returns only 50. Here is the process ...

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

easy and efficient way to create cell array or table from csvs or existing variables

לק"י Hello! I want to know if there an easy way (may be GUI) or other command to creat one table or cell array from several ...

nästan 3 år ago | 1 answer | 0

### 1

answerQuestion

automation of code for many variables

לק"י Hi guys, I got alot of variables due to high amount of samples to analyze. I import csv data from the import tool and...

ungefär 3 år ago | 1 answer | 0

### 1

answerQuestion

vector discretization to sum of values in each bin

לק"י Hi guys, I'm looking a way to discretize vector values to bins. I want to have bins that contain the sum of values of i...

ungefär 3 år ago | 1 answer | 0

### 1

answerQuestion

How to embed (insert) variable's that old strings or integers into line of code (%d?)

לק"י Hi guys, I want to use variable's content (like v='name' or b=2.34) to be part of the code it's kind of like %d but a...

ungefär 3 år ago | 0 answers | 0

### 0

answersQuestion

How to make histogram values be sum of the values of each bin?

לק"י Hi guys, I have 2 vectors of area values that I want to put on a histogram. I want to make it a semilog (logarithmic ...

ungefär 3 år ago | 1 answer | 0

### 1

answerQuestion

How to enlarge image in inpolygon?

לק"י Hi guys, I use inpolygon command and I can't enlarge the image which I need to draw the polygon on. the magnidication...

ungefär 3 år ago | 0 answers | 0

### 0

answersQuestion

How to match voronoi area to it's point

לק"י Hi! I'm trying to find a command or a code that can match the voronoi areas I get out from voronoin command to the poin...

ungefär 3 år ago | 1 answer | 0

### 1

answerQuestion

How to find specific areas in Voronoi plot? and how to enlarge the plot to choose small areas?

לק"י Hi all, my name is Amit. I'm trying to find the area of specific polygons in Voronoi's diagram which will be chosen by ...

ungefär 3 år ago | 1 answer | 0