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**Content Feed**

Question

Using 'disp' function with variables

I have a line of code which is giving me some trouble and I cant understand why: disp('There is an ice rule violation at...

9 years ago | 2 answers | 0

### 2

answersQuestion

initialising a color map

How do I create a colormap with n*m pixels which is all white and then display it?

9 years ago | 2 answers | 0

### 2

answersQuestion

calling a sequence of images for processing

I have a part of my code shown below which allocates the file name of a sequence of images so that it can be read with the imrea...

9 years ago | 1 answer | 0

### 1

answerQuestion

saving an image using 'imwrite'

I'm trying to save an grayscale image to a file using imagesc(Nv) imwrite(Nv,'C:\Users\bostock_h\Documents\Images\charg...

9 years ago | 1 answer | 0

### 1

answerQuestion

colormaps. how do they work?

I am trying to assign colours to an n*m matrix N, so I can then display the matrix with red and blue squares with a white backgr...

9 years ago | 1 answer | 0

### 1

answerQuestion

How do I initialize a n * m colormap matrix

I want to set a blank colormap (preferably all white) at the beginning of my code so elements can be added to it later. Previous...

9 years ago | 1 answer | 0

### 1

answerQuestion

Finding the dimensions of an image

Is there some way of getting MATLAB to find the pixel dimensions of an image uploaded using the 'imread' command?. Or more simpl...

9 years ago | 4 answers | 1

### 4

answersQuestion

How do I exit a loop with a key hit?

So I have a loop in my code but I want to exit the loop and move onto the next set of calculations after I hit some key. I know ...

9 years ago | 4 answers | 0

### 4

answersQuestion

Tracking mouse position on figure

I'm looking for some way of turning a JPEG into a MATLAB figure (which I know how to do). And then be able click on the figure a...

9 years ago | 2 answers | 0

### 2

answersQuestion

reading images in a file

Is there some way to access many files inside a folder which have names which differ numerically. Something like this: for ...

10 years ago | 1 answer | 0

### 1

answerQuestion

using testtype to check odd or even numbers

In my code I try to use an 'if' operator to check whether a number is odd or even, so the code knows whether to proceed. So some...

10 years ago | 1 answer | 0

### 1

answerQuestion

using greater than or less than in 'switch' and 'case' expressions

I don't quite understand how to use the switch and case expressions to calculate when a variable is less than or greater than a ...

10 years ago | 3 answers | 1

### 3

answersQuestion

How do you initialize an N*M matrix?

From the MATLAB help, it says to use: M = matrix(N, M) but when I apply this it says that the function 'matrix' is not rec...

10 years ago | 5 answers | 2

### 5

answersQuestion

problem with subscript indices and varibles in functions

If I use the following code: function image_processing_project M = imread('C:\Users\bostock_h\Documents\Images\13051...

10 years ago | 2 answers | 0

### 2

answersQuestion

Output arguments in functions

In my code I have a some functions with an output argument c which seems to have caused some trouble as the errors are: Er...

10 years ago | 1 answer | 0

### 1

answerQuestion

error due to function application

When I run the following code it gives the error: Error: File: image_processing_project.m Line: 55 Column: 1 Functio...

10 years ago | 1 answer | 0

### 1

answerQuestion

How do I turn an image jpg image into a matrix using the 'imread' command? and image analysis

I know that I should use the `imread` command but I don't know how to retrieve an image from a particular file do I have to impo...

10 years ago | 1 answer | 0