# Ba Ba Black Sheep!

Followers: 0 Following: 0

**Statistics**

**MATLAB Answers**

**41** Questions

**0** Answers

RANK**13.548**

of 294.421

REPUTATION**3**

CONTRIBUTIONS

**41** Questions

**0** Answers

ANSWER ACCEPTANCE **
85.37%
**

VOTES RECEIVED**2**

RANK

of 20.110

REPUTATION**N/A**

AVERAGE RATING**0.00**

CONTRIBUTIONS**0** Files

DOWNLOADS **0**

ALL TIME DOWNLOADS**0**

RANK

of 151.653

CONTRIBUTIONS

**0** Problems

**0** Solutions

SCORE**0**

NUMBER OF BADGES**0**

CONTRIBUTIONS**0 Posts**

CONTRIBUTIONS**0** Public Channels

AVERAGE RATING

CONTRIBUTIONS**0** Highlights

AVERAGE NO. OF LIKES

**Feeds**

Question

1d Convolution using Matlab's conv() function

According to the documentation(https://www.mathworks.com/help/matlab/ref/conv.html), len(output) = len(input) + len(kern...

bijna 6 jaar ago | 2 answers | 0

### 2

answersQuestion

Can anyone explain this output of 1d conv() function?

>> u = [1 2 3]; >> v = [1 2 3]; >> w = conv(u, v) w = 1 4 10 12 9 >> Can anyone explain this output? ...

bijna 6 jaar ago | 1 answer | 0

### 1

answerQuestion

Why is this Gaussian function has nonconformant arguments error?

function m=gaussian(med, var, n) if ( mod(n, 2)==0 ) n=n+1; end; med=double(med); var=double(var); m...

ongeveer 6 jaar ago | 0 answers | 0

### 0

answersQuestion

2D convolution in in Matlab.

I = imread ("lena.jpg"); %imshow(I); K = I; C = conv2(I, K); imshow(C); I am expecting something like the follo...

ongeveer 6 jaar ago | 2 answers | 0

### 2

answersQuestion

Explanation of source code written in Matlab

What does the following function accomplish? Can anyone tell me what the following code is doing and how is it doing that? ...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

How do I know when to use loops and when to use vectorization?

In *<https://www.mathworks.com/matlabcentral/answers/359415-how-can-i-convert-matrix-to-cell-array-of-strings this question>*, t...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

How can I convert matrix to cell array of strings?

I want to convert the following: mat = [1 2 3; 4 5 6 ; 7 8 9]; into the following array of strings, arr = {'1,2(3)', ...

ongeveer 7 jaar ago | 2 answers | 0

### 2

answersQuestion

What does the following code do?

If we have, [row_num, col_num] = size(img); What does the following code do? function length_vec = compute_angular_l...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Is this the proper way of using ListBox?

I am learning Matlab GUI programming. I have written the following basic program to test ListBox GUI control. The following p...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

what is repmat() doing in the following code?

function handles = Open_Image(hObject, eventdata, handles, type, axesIm) % if the file-name and path-name are not epty....

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

hslider=findobj('Tag', 'xText') returns 0x0 empty GraphicsPlaceholder array.

>> SliderTool >> hslider=findobj('Tag', 'xText') hslider = 0x0 empty GraphicsPlaceholder array. >> Why is t...

ongeveer 7 jaar ago | 2 answers | 0

### 2

answersQuestion

Undefined operator '*' for input arguments of type 'matlab.ui.control.UIControl'.

The following function is giving an error, function tf = GUI_ListBoxAdd(vH, bUni, vStr, vID); % Add an entry to a GUI li...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

How can I eliminate as many loops as possible from the following code?

The following source code uses 4 loops at a time. My program is deadly slow. *How can I eliminate as many loops as possible ...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

How can I vectorize the following code?

*main.m* I = imread('bear.png'); J = rgb2gray(imread('marked_bear.png')); mask = I-J; for r=1:size(I,1) ...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Showing multiple images in one window in Matlab

Why doesn't the following code show the images? clear all; image_name = 'woman.png'; I = gray_imread(image_nam...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

How can I reduce the space between images?

The following source code has three problems: # it can't show only one image. # it doesn't preserve the original aspect rati...

ongeveer 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Drawing a white line on an image using (rho, theta).

I want to draw a line on the following image using |(| |rho| |,| |theta| |)| of the detected line using the Hough transformation...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Finding the angle of inclination from two end points of a line.

<</matlabcentral/answers/uploaded_files/80859/Scratch1.png>> point1 = [22, 114]; point2 = [693, 233]; x1 = point1(1); ...

meer dan 7 jaar ago | 1 answer | 1

### 1

answerQuestion

Hough Transform source code explanation

I couldn't understand the following code's *|for|* loop. What is the purpose of the for loop here? Why is *|for|* iterati...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Why is empty string test failing?

<</matlabcentral/answers/uploaded_files/75690/Untitled.png>> . This GUI's source code is giving me error message: func...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Image processing code explanation.

lambda = 4;%8 theta = 0; psi = [0 pi/2]; gamma = 0.5; bw = 1; N = 12; ...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Edge detection error message

Why isn't the following code working? >> str=sprintf('Scratch1.jpg'); >> img_ORG = imread(str); >> fsc = edge(img_OR...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Image enhancement MATLAB code.

% Adjust image intensity values or colormap. f = imadjust(uint8(scratched_image), stretchlim(scratched_image), [0 1]); ...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Convolution of a color image to itself.

'Untitled.png' is a color image of 48x48 size. >> i = imread('Untitled.png'); >> v = i(:); >> c = conv2(v, v); War...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Why is the colormap not working as expected?

In the following program *|cellImage|* and *|spineImage|*, both are being displayed in *|jet|*. One of them should be gray an...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Error using besselj. NU and Z must be the same size or one must be a scalar.

What is wrong with the following program? Z = (0:0.2:9)'; NU = 0:5; y = besselj(NU, Z); % Bessel function plo...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Optimization is generating error plotting pareto front

The following code is generating the following error, >> main Optimization terminated: average change in the spread of P...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Multi objective optimization of a 2D function.

I need to optimize the following function, <</matlabcentral/answers/uploaded_files/67093/Untitled.png>> . I have writte...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

Finding Pareto Front of Shaffer's 2nd function.

I couldn't understand what was wrong with the following code of mine, *|main.m|* x = -5:0.1:5; y = schaffer2(x); ...

meer dan 7 jaar ago | 2 answers | 0

### 2

answersQuestion

Objective function vs fitness function.

What is the difference between an Objective Function and a Fitness Function? Are Objective Functions only used in Linear Prog...

meer dan 7 jaar ago | 2 answers | 0