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Matrix index is out of range for deletion.
Error in angkaaa (line 19)
huruflist(1) = [];
Im use regionprops (eccentricity, area, perimeter) and use svm multi class for clasification
close all
clear all
e = imread(‘E:Latihan MATLABProject_UASTraininghuruf-i4.jpg’);
figure, imshow(e);
t = graythresh(e);
imbw_otsu = im2bw(e,t);
figure, imshow(imbw_otsu);
se = strel(‘disk’,1);
citra_close = imclose(e,se);
figure, imshow(citra_close);
imbw_manual = im2bw(citra_close, 115/255);
figure, imshow(imbw_manual);
imbw_manual3 = 1 — imbw_manual;
figure, imshow(imbw_manual3);
traindir = ‘Training’;
testdir = ‘Testing’;
huruflist = dir(traindir);
huruflist(1) = [];
huruflist(1) = [];
huruflist = {huruflist.name}’;
test_data = [];
for i=1:size(huruflist,1)
train_kelas = huruflist{i};
imglist = dir([traindir » train_kelas]);
imglist(1) = [];
imglist(1) = [];
imglist = {imglist.name}’;
for j=1:size(imglist,1)
imgname = imglist{j};
iminput = imread([traindir » train_kelas » imgname]);
imgray = rgb2gray(iminput);
s = regionprops(imbw, ‘Eccentricity’, ‘Area’, ‘Perimeter’);
eccentricity = cat(1, s.Eccentricity);
area = cat(1, s.Area);
perimeter = cat(1, s.Perimeter);
rasio_luaskeliling = area / perimeter;
test_data = [test_data; {train_kelas}, imgname, rasio_luaskeliling];
end
end
xlswrite(‘train_features.xlsx’, test_data, 1, ‘A1’);
testlisthuruf = dir(testdir);
testlisthuruf(1) = [];
testlisthuruf(1) = [];
testlisthuruf = {testlisthuruf.name}’;
testimgdir = ‘Test Images’;
if ~exist(testimgdir)
mkdir(testimgdir);
end
test_data = [];
for i=1:size(testlist,1)
imgname = testlist{i};
test_class = imgname(1:end-4);
iminput = imread([testdir » imgname]);
imgray = rgb2gray(iminput);
s = regionprops(imbw, ‘Eccentricity’, ‘Area’, ‘Perimeter’);
eccentricity = cat(1, s.Eccentricity);
area = cat(1, s.Area);
perimeter = cat(1, s.Perimeter);
rasio_luaskeliling = area / perimeter;
test_data = [test_data; {train_kelas}, imgname, rasio_luaskeliling];
end
[num, raw] = xlsread(‘train_features.xlsx’);
trainX = num(:,:);
trainY = raw(:,1);
testX = cell2mat(test_data(:,2:end));
testY = test_data(:,1);
categories = {‘huruf-a’;‘huruf-e’;‘huruf-i’;‘huruf-o’;‘huruf-u’};
result = cell(size(testY));
numClasses = size(categories,1);
for i=1:numClasses
G1vAll=(strcmp(trainY,categories(i)));
models(i) = svmtrain(trainX, G1vAll, ‘kernel_function’, ‘linear’);
end
for i=1:size(testX,1)
for j=1:numClasses
if(svmclassify(models(j),testX(i,:)))
break;
end
end
result(i) = categories(j);
end
accuracy = 0;
for i=1:size(result,1)
if (strcmp(result(i),testY(i)))
accuracy = accuracy + 1;
end
end
[gr_w gr_h] = size(testY);
accuracy = (accuracy / gr_w)*100;
disp([‘Akurasi = ‘ num2str(accuracy) ‘%’]);
And i want result like this.
Thank you so much before.
Java | ||
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а вот какие ошибочки возникают
Код
is = 0 team.size = 4 Error : Array index out of range: 6 is = 6 team.size = 7 Error : Array index out of range: 6 is = 6 team.size = 7 Error : Array index out of range: 6 is = 6 team.size = 7 Error : Array index out of range: 6 is = 6 team.size = 7 Error : Array index out of range: 6 is = 4 team.size = 7 Error : Array index out of range: 6 is = 1 team.size = 7 Error : Array index out of range: 6 is = 1 team.size = 7 Error : Array index out of range: 6 is = 1 team.size = 7 Error : Array index out of range: 6 is = 6 team.size = 8 Error : Array index out of range: 6 is = 1 team.size = 8 Error : Array index out of range: 6 is = 1 team.size = 8 Error : Array index out of range: 6 is = 1 team.size = 8 Error : Array index out of range: 6
подскажите в чем проблема
Добавлено через 47 минут
проблема решена, спасибо
I have this function where I use an array as a FIFO queue (i.e., put elements in it and process them using a first-in first-served approach). In particular, I call this array a MsgQueue as it holds messages.
The MsgQueue is used when a new msg is sent (event), which triggers the execution of the handleMsgSent() method, which I show next
function handleMsgSent(this, msg)
this.MsgQueue = [this.MsgQueue msg];
while(numel(this.MsgQueue) > 0)
m = this.MsgQueue(1);
this.MsgQueue = this.MsgQueue(2:end); % <----- OPTION A
% DO WHATEVER WITH THE MESSAGE
%this.MsgQueue(1) = []; % <------ OPTION B
end
end
As you can see I have marked the code with OPTION A and OPTION B comment. So, the point is option B ends up with the «Matrix Index is out of range for deletion» error while option A works (apparently) perfectly fine, with no errors.
Can anyone help me to understand the difference? Well, I understand that option A is not deleting anything but just «discarding» the first element of the array but, why does option B fails in deleting if there is at least one element in MsgQueue?