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**Content Feed**

Question

Why I'm I getting this error when I try to call the function myfourier in another m file?

myfourier.m file function [a0 an bn fs] = myfourier(f, flim, N) syms t syms N T = flim(end)-flim(1); w0 = 2*pi/T; fs = 0.0...

ungefär 2 månader ago | 1 answer | 0

### 1

answerQuestion

How to add max and min data label of plot in matlab with help of annotation?

I want label max and min data label with use of annotation on gh bottom,middle and top plot to show the values of max and min. ...

6 månader ago | 1 answer | 0

### 1

answerQuestion

Fit and display multiple gaussians on a data set

I have a test data set (attached) that I want to display with two closely spaced gaussians. An example of how the data should lo...

10 månader ago | 1 answer | 0

### 1

answerQuestion

How do i read 60 .txt files into matlab?

I am trying to read experimental data in .txt format into matlab but so far, i get the following error message: Index in p...

11 månader ago | 1 answer | 0

### 1

answerQuestion

How to randomly propagate 100 random targets with random headings (uniformly sampled over [0, 2π])

So I contructed a 2048x1024 pixel background image with the signal normally distribution at mean 0 and standard deviation 5 (arb...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

put two matrices in one matrix, one will take the odd column and the other one take the even column.

A is a matrix 4x5 B is a matrix 4x5 C=[A B] 4x10 .. A and B will be combined in a matrix C where A take the odd column and B ...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Sum 2 Matrices and take the average value of their summation and store them in another Matrix with the same dimension.

% in this code, I import 2 text files, C_Total_1 and C_Total_2. I want to take the average of the sum of these two variables, th...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Sum 2 Matrices and take the average value of their summation and store them in another Matrix with the same dimension.

% in this code, I import 2 text files, C_Total_1 and C_Total_2. I want to take the average of the sum of these two variables, th...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

The left and right sides have a different number of elements

please help me fix the error~~~ this is my code and %% 3. Fourier descriptor %① Make the matrix above. %Find the positio...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

How do you write this "| "symbol in MATLAB?

How i would write that symbol in MATLAB? i left it out and even tried'/' but i keep getting warnings within the script ...

ungefär ett år ago | 2 answers | 0

### 2

answersQuestion

Image segmentation but 'edge' does not work

i need this result, to outline it in red but i keep getting this error message. Error using activecontour>parse_inputs (lin...

ungefär ett år ago | 2 answers | 0

### 2

answersQuestion

I want BER instead of SNR in the x-axis .. What is the relation that changes SNR to BER

This is the value of Signal to noise ratio ..... SNR = -20:6:10; %Signal to Noise Ratio I want BER instead of SNR in the x-ax...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Why does my screen go black?

My region filled image and skeletonized image just appears black I fill in all the bones using the function below %% 3. Region...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Why does dilate and erode images produce black images?

Did i do something wrong with nhood variable? %% 1. Dilation and Erosion %a. Apply dilation and erosion to “lung.jpg” using 3x...

ungefär ett år ago | 2 answers | 0

### 2

answersQuestion

What is '1butter' in this Wiener Filter code?

MATLAB doesnt recognise the 1butter in this code of Wiener Filtering on an image in MATLAB

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

How to turn code into a class?

I coded the program below for frequency domain filtering and functions well. I have to use it repeatedly to apply different fi...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Frequency Domain Filtering by Convolution Theorem

So the program works but i get warning messages, i attached the imag as well %% 4. Perform frequency domain filtering by Convol...

mer än ett år ago | 1 answer | 0

### 1

answerwhy is my difference image black?...

https://www.mathworks.com/matlabcentral/answers/1467816-why-is-my-difference-image-black#comment_1770511

mer än ett år ago | 0

| accepted

Question

why is my difference image black?...

the program works but my difference image is just black...did i do something wrong? or is there a way to make it visible? %% ...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

Why do I keep getting a black image when i dont use []?

What is the difference between using [] with imshow and dividing an image by a scalar before using imshow fxn? Is my code wrong...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

How to change a 3x3 median filter to 5x5?

My code works, but i need a 5x5 filter not 3x3. I tried to alter the code to get the 5x5 but keep getting an error %% 2. Median...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Is there an alternative to 5x5 median filter in MATLAB?

I want the same result, but without using medfilt2 x=imread('sadimg.bmp'); y= medfilt2(x,[5 5])

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

5 x 5 median filter with out inbuilt function

I am required to use just median() not medfilt2() Please help with the code %% 2. Median Filter sad1=imread('sadimg.bmp'); ...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

using median() instead of medfilt2()

I am not sure how to do part b and well hence c as well. can you help with how to code this my teacher requested using median...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

histogram specialization, imhist error

%5f)Make CDF of ‘hist_desired’ and ‘hist_xray2’ and store them into ‘cdf_desired’ and ‘cdf_input’ x_ray2=imread('x_ray2.pn...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

PWM measurement port conection

Hello! what block I have to connect to PWM generator (2-level 4 - pulses) to measure measurement port output? Thank you in advan...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

I have a problem with the figure, if you saw the picture below you will find it blurry.. How I can fix this problem

mer än ett år ago | 0 answers | 0

### 0

answersQuestion

This is a part of a code and I want to add something to it, description below

%This is a part of a code and I want to add something to it so instead of Deleting all the Users row from Heff that correspondin...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

I have a Matrix , and I want to multiply this Matrix with something so I can get zeros

% for an example *(pinv(P1))*P1=unity Matrix I want the same thing : ?*P1=zeros %This ? should be related to P1 like the above...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

I want to change the size of T so I can Add it to P2 (the size of T should be the size of P1 or the size of P2)

P1=[3 2 4;2 1 1;5 2 3;2 3 7] P2=[2 6 1;1 3 5;4 2 1;5 2 1]; P1_Zero=pinv(P1) T=P1_Zero*P1 Q=P2+T

mer än ett år ago | 1 answer | 0