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Matlab produces empty figure when using plot(x,y,'-')

A = 20 Ap = A; t = 0 tp = t; while t < 20 A = A + 1 Ap = [Ap, A]; t = t + 5 tp = [tp, t]; end figure...

ongeveer een jaar ago | 0

what is the matlab code for image classification using svm classifier to classify the skin diseases

Binary SVM Classification: https://in.mathworks.com/help/stats/support-vector-machines-for-binary-classification.html Multi Cl...

bijna 2 jaar ago | 0

Question

How to find the inclination of the back bone in the attached image?

Hello Everyone... Greetings... I am working with some medical imaging problems. I want to rotate the given image after finding...

ongeveer 3 jaar ago | 2 answers | 0

### 2

answersAre you able to count the number of pixels in a 3D plot?

@ sui zhi lau, Outside Loop totalData = 0; whitePixData = 40*40*40; Inside Loop redPixData(y) = sum(sqrt(((dx(:,i+1) - dx(:...

ongeveer 3 jaar ago | 0

how i create a 7 images database and compare with a input image and also save it in a.mat file

Hello Indrani, the code you are using has sepecific format for finger print file reading. you are using dataset DB1 from 'FVC20...

ongeveer 3 jaar ago | 0

How to run the same code for color image.is any one help me.

@ indrani dalui Try the attached file.

ongeveer 3 jaar ago | 0

how i create a 7 images database and compare with a input image and also save it in a.mat file

% ICount - Number of FingerPrints % JCount - Number of Images Per FingerPrintICount=7; ICount = 7; JCount = 7; p=0; for...

ongeveer 3 jaar ago | 0

| accepted

Simple Iterative expression needed solved

w = 1; y = 0; while(y < 10000) % your equation y = sqrt(10*w*w - 4*w + 2); w = w + 1; end disp(w) disp(y)

ongeveer 3 jaar ago | 0

How to plot two trajectories in Matlab?

Hello Sarah Hamdan, Don't paste code as a image, use option 'Insert aline code' Don't 2 different function body with same func...

ongeveer 3 jaar ago | 2

How to build on an existing struct 4x4xn matrix?

Hello Happy PhD, Try this one... clc; clear all; A.G(:,:,1) = [1 2 1 1 ; 4 9 5 6 ]; A.G(:,:,2) = [0 1 0 0; 0 6 0 0]; A.G...

ongeveer 3 jaar ago | 0

| accepted

Help with Image Processing code

Hello BERG, here is code, you code only bit modified . Use the attached 'mask.bmp' image. clc; % Clear command window. clea...

ongeveer 3 jaar ago | 0

| accepted

Using solve to solve a complex trigonometric equation

Hello Junha Kim, syms x; assume(x>=0 & x<=2*pi); eqn = cos(x)*(1-sin(x)) == 0; [solx, parameters, conditions] = solve(eqn,...

ongeveer 3 jaar ago | 0

| accepted

Not sure why my code results in a wrong figure. I am trying to simulate 2 dice rolls and counting how many times it takes to roll 2 6s out 10000 trials.

Hello Enkhdul Batkhuyag, Try this one - num_trial=10000; num_until_success=0; for i=1:num_trial,i roll_1=randi(6,1);ro...

ongeveer 3 jaar ago | 0

| accepted

Save the values of a function in a for loop

Hell Austin Hernandez, you are correct. but Option01 is good. Option 01: function for_test x = 0:1:10; y = zeros(size(x)) ;...

ongeveer 3 jaar ago | 0

| accepted

Please someone tell me what's wrong with my code, it keeps on returning the message, ''Unrecognized variable of v''. The image below the code is the problem?

Hello There is a problem in the calculation of 'y' in function 'DTask1_f' Calculated value first value is around 2.4, but it ...

ongeveer 3 jaar ago | 0

| accepted

Hello I need help with for loop incrementing. Filterbanks

Hello Trevon Alvarado, f0=1600; f1=7600; fs=20000; t=0:1/fs:0.5-(1/fs); x1=1*sin(2*pi*f0*t); x2=1*sin(2*pi*f1*t); xin=x...

ongeveer 3 jaar ago | 0

Summation of table imported from excel

Hello Luis Eloy García-Mauriño Rey, % Assuming xls data strored in variabl 'data' % colum 1 is Angle, colum 2 is Volume, colu...

ongeveer 3 jaar ago | 0

| accepted

Creating binary 3D mask from MR volume

Hello banikr, I think this is what you want ... if I am not wrong. load mri; % load mriVolume; %3D MRI data with data varia...

ongeveer 3 jaar ago | 0

Automated detection of diabetic retinopathy

Hello Anas Bilal, Code tested working on 2012.

ongeveer 3 jaar ago | 1

| accepted

RGB Color Space Image Segmentation

Hello Muftahu Kabir, Here is the code ... clear all; close all; clc; I = imread('1.jpg'); figure, imshow(I); IR = I(...

ongeveer 3 jaar ago | 0

| accepted

Searching a matrix and eliminating values below a certain value

Code is Not optimized, but works fine maxRow = 1; for i=1:size(A,2) BIndex = ismember(B,A(:,i)); BIndex = find(BInde...

ongeveer 3 jaar ago | 0

| accepted

How to filter objects based on size using"bwareafilt()" ?

in your code, there is a code part as show below img3=imcomplement(img2); don't use that. code works fine in 2014b. Here, RO...

ongeveer 3 jaar ago | 0

Codec Error with VideoReader function

Here is the solution what I found https://in.mathworks.com/matlabcentral/answers/218237-unable-to-determine-the-codec-required#...

ongeveer 3 jaar ago | 0

Unable to determine the codec required.

Hello, To solve the problem, I installed 'Media Player Codec Pack' and use the following code. vidObj = VideoReader('VideoFile...

ongeveer 3 jaar ago | 0

how make prediction with new data and display it?

Phase 01: Training 'trainingData.xlsx' contains data need to Train. trainingData = xlsread('trainingData.xlsx'); [trainedClas...

ongeveer 3 jaar ago | 1

Testing trained classifier model with new data

sample=miraudio(audio); will give 'miraudio object'. its NOT an array. 'peak2rms' builtin function of matlab will give an err...

ongeveer 3 jaar ago | 0