Answered

Why will MATLAB not start up properly on my Windows based system?

none of this works. I have matlab 2016a on windows 7 home premium and AMD A10-8700. I have reinstalled it 4 times.

Why will MATLAB not start up properly on my Windows based system?

none of this works. I have matlab 2016a on windows 7 home premium and AMD A10-8700. I have reinstalled it 4 times.

2 years ago | 0

Answered

When clicked on Matlab icon does not start Matlab

Mine says Unknown application only but still it doesnt work.

When clicked on Matlab icon does not start Matlab

Mine says Unknown application only but still it doesnt work.

2 years ago | 0

Question

insert a small matrix inside a big matrix

i have a 1000 x 1000 matrix and a 45 x 45 matrix. both have random numbers. how can i insert the small matrix in the bigger one ...

3 years ago | 1 answer | 0

Answered

zero padding in matrix

Just struck my brain ! Thanks Azzi Abdelmalek for the quick response.

zero padding in matrix

Just struck my brain ! Thanks Azzi Abdelmalek for the quick response.

3 years ago | 0

Question

zero padding in matrix

Hi, I have a 5x5 matrix and i would like to pad it with zeros such that its size becomes 200x200 and the 5x5 matrix is in the ...

3 years ago | 2 answers | 0

Question

optimization of a buffer controller system (VLSI signal processing architecture)

Hi, I have 7 processors in my system and it has 11 buffers. There are feedback loops and i want to find out the optimized freq...

3 years ago | 0 answers | 0

Question

I want to change the gray scale from [0 1] to [0 500]

I want to change the gray scale from [0 1] to [0 500] and have used the following functions b= imadjust(a,[0; 1],[0; 500]) ...

3 years ago | 2 answers | 0

Question

change color intensity of matrix for some pixels

I have a matrix and it has 2 squares, i have used "a = ones(256, 256, 3);" so it gives me a white background. I wantt to change ...

3 years ago | 1 answer | 0

Question

poisson random variable for 2d array

Hi, So far i have been using poisson random function to give it a value of mean and the dimensions of the matrices to give me de...

3 years ago | 0 answers | 0

Question

poisson random variable for 2d array

Hi, So far i have been using poisson random function to give it a value of mean and the dimensions of the matrices to give me ...

3 years ago | 0 answers | 0

Question

poisson random variable and adding noise to it,

Hi, I have a 2d poisson random variable to wchi i give a mean value and i am looking at the graph which looks fine. But as soo...

3 years ago | 0 answers | 0

Question

change color intensity of rectangles made using matrix

Hi, Can anybody help me understand the concept of color intensity in the following : I have 2 rectangles of black color. I wan...

3 years ago | 1 answer | 0

Question

change color of output graph

I have a matlab plot (draw rectangle using matrix) but it shows the output in blue color whereas i want it in black color. How c...

3 years ago | 3 answers | 0

Answered

Drawing rectangles using matrices.

The y axis of the graph is still reversed. I have tried axis([0,280, 0,280]); and set(gca, 'ydir', 'reverse'); % or 'normal'

Drawing rectangles using matrices.

The y axis of the graph is still reversed. I have tried axis([0,280, 0,280]); and set(gca, 'ydir', 'reverse'); % or 'normal'

3 years ago | 0

Question

plot a quadratic equation

I am to plot a quadratic equation and see how it looks . This is my code : x=[-1:0.05:3]; f=(3*(x.^2))-(2*x); plot(f) xlim([...

3 years ago | 1 answer | 0

Question

Drawing rectangles using matrices.

Hi, I need to draw a figure as shown in the picture using 256x256 matrix. There should be two rectangles and the rest of the...

3 years ago | 4 answers | 0

Question

poisson function help !

I need to imlement a poisson function. In matlab it asks for the value of lamda and x both in order to plaot the function bu...

3 years ago | 1 answer | 0

Question

I want to use a floating point matrix (2d) or a 2d array to make a simple basic image (be it square or rectangle) and then convert it to grayscale and add poisson noise to it. But the code i have is not working.

a = repmat(0:0.01:0.5,100,5); i = mat2gray(a); j=imnoise(i,'poisson'); imshow(i) figure(); imshow(j) It shows the same...

3 years ago | 0 answers | 0

Question

When i plot a grayscale image and check the value of a pixel using data cursor, it shows me the values between 0 and 1 which looks reasonable but it has a RGB scale. Can a grayscale image has RGB Values ?

x = rand([100 50]); i = mat2gray(x); imshow(i)

3 years ago | 1 answer | 0

Question

Hi, I want a 2d array of rows and columns filled with floating point numbers (matrix) which can be converted to a grayscale image.

Should i use the mat2gray function of matlab ? I want to program my own image and fill it with numbers.

3 years ago | 1 answer | 0