Kamis, 07 Februari 2019
Matlab Edge Detection +Crop
rooftops = imread('daun.jpg');
imshow(rooftops);
grayImage = rgb2gray(rooftops);
imshow(grayImage);
[r c] = size(grayImage);
switchfactor = grayImage(round(r/2),round(c/2));
if switchfactor <= 120
minimumCanny = .0025;
maximumCanny = .05;
CFval = .6;
elseif switchfactor <= 150
minimumCanny = .005;
maximumCanny = .075;
CFval = .575;
elseif switchfactor <= 180
minimumCanny = .0075;
maximumCanny = .1;
CFval = .55;
elseif switchfactor <= 210
minimumCanny = .01;
maximumCanny = .125;
CFval = .525;
elseif switchfactor <= 240
minimumCanny = .0125;
maximumCanny = .15;
CFval = .5;
else
minimumCanny = .015;
maximumCanny = .2;
end
%%Active Contour (Overlaying mask and Contour) Works
imshow(grayImage);
hold on
mask = false(size(grayImage));
mask(20:end-20,20:end-20) = true;
visboundaries(mask,'Color','b');
bw = activecontour(grayImage, mask, 200, 'edge','ContractionBias',CFval);
visboundaries(bw,'Color','r');
title('Initial contour (blue) and final contour (red)');
figure, imshow(bw)
title('Segmented Image');
%%Reading the Contour and Specifying the roof
bwNew = grayImage;
bwNew(~bw) = 0;
figure;
imshow(bwNew);
E = entropyfilt(bwNew);
Eim =E;% rescale(E);
figure
imshow(Eim)
BW1 = imbinarize(Eim, .9);
imshow(BW1);
gI2 = bwNew;
gI2(BW1) = 0;
imshow(gI2)
BWf1 = edge(gI2,'canny',[minimumCanny, maximumCanny],sqrt(.075));
BWf2 = edge(bwNew,'canny',[minimumCanny, maximumCanny],sqrt(.075));
%BWf2 = edge(gI2,'zerocross',1,[20,100]);
figure;
imshowpair(BWf1,BWf2,'montage')
title('Textured Normal');
Kamis, 20 Desember 2018
BubbleSort Matlab
>> A=rand(1,8)
A =
0.4505 0.0838 0.2290 0.9133 0.1524 0.8258 0.5383 0.9961
>> B=bubblesort(A)
B =
0.0838 0.1524 0.2290 0.4505 0.5383 0.8258 0.9133 0.9961
Adapun Fungsinya adalah sbb:
function x = bubblesort(x)
n = length(x);
while (n > 0)
nnew = 0;
for i = 2:n
if (x(i) < x(i - 1))
x = swap(x,i,i - 1);
nnew = i;
end
end
n = nnew;
end
end
function x = swap(x,i,j)
val = x(i);
x(i) = x(j);
x(j) = val;
end
A =
0.4505 0.0838 0.2290 0.9133 0.1524 0.8258 0.5383 0.9961
>> B=bubblesort(A)
B =
0.0838 0.1524 0.2290 0.4505 0.5383 0.8258 0.9133 0.9961
Adapun Fungsinya adalah sbb:
function x = bubblesort(x)
n = length(x);
while (n > 0)
nnew = 0;
for i = 2:n
if (x(i) < x(i - 1))
x = swap(x,i,i - 1);
nnew = i;
end
end
n = nnew;
end
end
function x = swap(x,i,j)
val = x(i);
x(i) = x(j);
x(j) = val;
end
Rabu, 19 Desember 2018
Implementasi Matlab Untuk Tingkat kesegaran Ikan
Yuk Kita Buat GUInya :
Jika nanti dijalankan ahsilnya sbb:
Lalu atur propertis nama TAGnya di setiap itemnya
Lalu pada Button kita kasih Koding
Code ahirnya dalah sbb:
function varargout = myGUI(varargin)
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @myGUI_OpeningFcn, ...
'gui_OutputFcn', @myGUI_OutputFcn, ...
'gui_LayoutFcn', [] , ...
'gui_Callback', []);
if nargin && ischar(varargin{1})
gui_State.gui_Callback = str2func(varargin{1});
end
if nargout
[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
gui_mainfcn(gui_State, varargin{:});
end
function myGUI_OpeningFcn(hObject, eventdata, handles, varargin)
handles.output = hObject;
guidata(hObject, handles);
function btnPilih_Callback(hObject, eventdata, handles)
[handles.namafile,handles.direktori]=uigetfile({'*.xls;*.xlsx','file excel(*.xls,*.xlsx)';'*.*','semua file(*.*)'},'buka file xls master');
I=fullfile(handles.direktori,handles.namafile);
if ~isequal(handles.namafile, 0)
set(handles.edPath,'String',I);
[a,b,c]=xlsread(I);
header= {'Kategori', 'Jam', 'Jenis Ikan', 'bagian', 'R', 'G', 'B'};
ba=size(c,1);
co=size(c,2);
mulaike=2;
mydata=c(mulaike:ba,1:co);
rnames = linspace(1,ba-mulaike+1,ba-mulaike+1);
jml=['Total Data Latih ' num2str(ba-1) ' Item']
set(handles.myTabel1,'data',mydata,'ColumnName',header,'RowName',rnames);
set(handles.myTabel1,'Userdata',mydata);
set(handles.txtTotal,'String',jml);
r1=10;
r2=18;
r3=27;
ar1=cell2mat(c(2:r1,5));
ag1=cell2mat(c(2:r1,6));
ab1=cell2mat(c(2:r1,7));
ar2=cell2mat(c(r1+1:r2,5));
ag2=cell2mat(c(r1+1:r2,6));
ab2=cell2mat(c(r1+1:r2,7));
ar3=cell2mat(c(r2+1:r3,5));
ag3=cell2mat(c(r2+1:r3,6));
ab3=cell2mat(c(r2+1:r3,7));
minr1=min(ar1);
ming1=min(ag1);
minb1=min(ab1);
minr2=min(ar2);
ming2=min(ag2);
minb2=min(ab2);
minr3=min(ar3);
ming3=min(ag3);
minb3=min(ab3);
maxr1=max(ar1);
maxg1=max(ag1);
maxb1=max(ab1);
maxr2=max(ar2);
maxg2=max(ag2);
maxb2=max(ab2);
maxr3=max(ar3);
maxg3=max(ag3);
maxb3=max(ab3);
header= {'Kategori', 'Rmin', 'Rmax', 'Gmin', 'Gmax', 'Bmin', 'Bmax'};
rnames = linspace(1,3,3);
mydata2(1,1)={'Segar'};
mydata2(1,2)={minr1};
mydata2(1,3)={maxr1};
mydata2(1,4)={ming1};
mydata2(1,5)={maxg1};
mydata2(1,6)={minb1};
mydata2(1,7)={maxb1};
mydata2(2,1)={'Cukup Segar'};
mydata2(2,2)={minr2};
mydata2(2,3)={maxr2};
mydata2(2,4)={ming2};
mydata2(2,5)={maxg2};
mydata2(2,6)={minb2};
mydata2(2,7)={maxb2};
mydata2(3,1)={'Tidak Segar'};
mydata2(3,2)={minr3};
mydata2(3,3)={maxr3};
mydata2(3,4)={ming3};
mydata2(3,5)={maxg3};
mydata2(3,6)={minb3};
mydata2(3,7)={maxb3};
set(handles.myTabel2,'data',mydata2,'ColumnName',header,'RowName',rnames);
set(handles.myTabel2,'Userdata',mydata2);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
header= {'Linguistic Term', 'R', 'G', 'B'};
rnames = linspace(1,3,3);
mydata3(1,1)={'Low'};
mydata3(1,2)={'10-91'};
mydata3(1,3)={'11-76'};
mydata3(1,4)={'14-87'};
mydata3(2,1)={'Medium'};
mydata3(2,2)={'14-93'};
mydata3(2,3)={'16-90'};
mydata3(2,4)={'27-88'};
mydata3(3,1)={'High'};
mydata3(3,2)={'44-96'};
mydata3(3,3)={'42-93'};
mydata3(3,4)={'41-97'};
set(handles.myTabel3,'data',mydata3,'ColumnName',header,'RowName',rnames);
set(handles.myTabel3,'Userdata',mydata3);
header= {'Linguistic Term', 'Range'};
rnames = linspace(1,3,3);
mydata4(1,1)={'Segar'};
mydata4(1,2)={'11-76'};
mydata4(2,1)={'Cukup Segar'};
mydata4(2,2)={'27-88'};
mydata4(3,1)={'Tidak Segar'};
mydata4(3,2)={'41-97'};
set(handles.myTabel4,'data',mydata4,'ColumnName',header,'RowName',rnames);
set(handles.myTabel4,'Userdata',mydata4);
end
function btnBersih_Callback(hObject, eventdata, handles)
proyek=guidata(gcbo);
mau=questdlg(['Reset ' get(proyek.figure1,'Name')''],['Anda ingin Reset Aplikasi ini?'],'Ya','Tidak','Ya');
if strcmp(mau,'Tidak')
return;
else
%str=date;
%set(handles.edjoindate,'String',str);
set(handles.myTabel1,'data',[],'ColumnName',[],'RowName',[]);
set(handles.myTabel1,'Userdata',[]);
set(handles.myTabel2,'data',[],'ColumnName',[],'RowName',[]);
set(handles.myTabel2,'Userdata',[]);
set(handles.myTabel3,'data',[],'ColumnName',[],'RowName',[]);
set(handles.myTabel3,'Userdata',[]);
set(handles.myTabel4,'data',[],'ColumnName',[],'RowName',[]);
set(handles.myTabel4,'Userdata',[]);
set(handles.edPath,'String','');
set(handles.edMR,'String','');
set(handles.edMG,'String','');
set(handles.edMB,'String','');
set(handles.edPath2,'String','');
set(handles.edHasil1,'String','');
set(handles.edHasil2,'String','');
set(handles.edProses,'String','');
set(handles.txtTotal,'String','Total DataLatih 0 Item');
cla(handles.axes1,'reset');
cla(handles.axes2,'reset');
cla(handles.axes3,'reset');
cla(handles.axes4,'reset');
cla(handles.axes5,'reset');
end
function btnPilih2_Callback(hObject, eventdata, handles)
[handles.namafile,handles.direktori]=uigetfile({'*.jpg;*.bmp','file Image(*.jpg,*.bmp,*.bmp)';'*.*','semua file(*.*)'},'buka file xls master');
I=fullfile(handles.direktori,handles.namafile);
if ~isequal(handles.namafile, 0)
Matrix=imread(I);
set(handles.figure1,'CurrentAxes',handles.axes1);
imshow(Matrix);
set(handles.axes1,'Userdata',Matrix);
MatrixHSV=rgb2hsv(Matrix);
set(handles.figure1,'CurrentAxes',handles.axes5);
imshow(MatrixHSV);
set(handles.axes5,'Userdata',MatrixHSV);
set(handles.btnRGB,'Enable','on');
set(handles.edPath2,'String',I);
end
function btnRGB_Callback(hObject, eventdata, handles)
Matrix=get(handles.axes1,'Userdata');
R=Matrix(:,:,1);
set(handles.figure1,'CurrentAxes',handles.axes2);
imshow(R);
set(handles.axes2,'Userdata',R);
G=Matrix(:,:,2);
set(handles.figure1,'CurrentAxes',handles.axes3);
imshow(G);
set(handles.axes3,'Userdata',G);
B=Matrix(:,:,3);
set(handles.figure1,'CurrentAxes',handles.axes4);
imshow(B);
set(handles.axes4,'Userdata',B);
MR=mean(mean(R));
MG=mean(mean(G));
MB=mean(mean(B));
set(handles.edMR,'String',num2str(MR));
set(handles.edMG,'String',num2str(MG));
set(handles.edMB,'String',num2str(MB));
set(handles.btnRGB,'Enable','off');
function btnExit_Callback(hObject, eventdata, handles)
close;
Minggu, 11 November 2018
Menu Editor Matlab
Setelah membuat halaman kosong + backgroud, agar menarik dan hemat tempat buatlah menu editor
Tools-Menu Editor
Buat link sebagai berikut:
function mnuAdmin_Callback(hObject, eventdata, handles)
admin; %memanggil halaman admin
function mnuEmployes_Callback(hObject, eventdata, handles)
matlabEmploye;%memanggil halaman employee
function mnuValue_Callback(hObject, eventdata, handles)
value;%memanggil halaman value
function mnuAplikasi_Callback(hObject, eventdata, handles)
aplikasi;%memanggil halaman aplikasi
function mnuLogout_Callback(hObject, eventdata, handles)
exit;%keluar aplikasi
CMIIW
Tools-Menu Editor
Buat link sebagai berikut:
function mnuAdmin_Callback(hObject, eventdata, handles)
admin; %memanggil halaman admin
function mnuEmployes_Callback(hObject, eventdata, handles)
matlabEmploye;%memanggil halaman employee
function mnuValue_Callback(hObject, eventdata, handles)
value;%memanggil halaman value
function mnuAplikasi_Callback(hObject, eventdata, handles)
aplikasi;%memanggil halaman aplikasi
exit;%keluar aplikasi
CMIIW
Matlab 64bit ke Database
1.Download driver Matlab ke databse mysql mysql-connector-java-3.1.14-bin
2.File jar yag di dapat copas ke C:\Program Files\MATLAB\R2017a\java\jar
3.Buka file C:\Program Files\MATLAB\R2017a\toolbox\local\classpath.txt menggunakan notepad, dan letakkan kode sbb di bagian bawahnya:
$matlabroot/java/jar/mysql-connector-java-3.1.14-bin.jar
4.Buat database db_matlab dengan tabel sbb
CREATE TABLE `tb_admin` (
`kode_admin` varchar(15) NOT NULL,
`name` varchar(30) NOT NULL,
`username` varchar(20) NOT NULL,
`password` varchar(30) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
CREATE TABLE `tb_employe` (
`nik` varchar(15) NOT NULL,
`name` varchar(30) NOT NULL,
`join_date` varchar(20) NOT NULL,
`divisi` varchar(20) NOT NULL,
`department` varchar(20) NOT NULL,
`tempat_lahir` varchar(30) NOT NULL,
`tanggal_lahir` varchar(20) NOT NULL,
`jenis_kelamin` varchar(20) NOT NULL,
`agama` varchar(15) NOT NULL,
`pendidikan_terakhir` varchar(15) NOT NULL,
`jurusan` varchar(30) NOT NULL,
`status` varchar(30) NOT NULL,
`alamat` varchar(20) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
CREATE TABLE `tb_value` (
`id` int(11) NOT NULL,
`nik` varchar(20) NOT NULL,
`tanggal_nilai` varchar(20) NOT NULL,
`month` varchar(20) NOT NULL,
`year` varchar(10) NOT NULL,
`age` varchar(10) NOT NULL,
`nilai` varchar(10) NOT NULL,
`note` text NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
ADD UNIQUE KEY `kode_admin` (`kode_admin`);
ALTER TABLE `tb_value`
ADD UNIQUE KEY `id` (`id`);
ALTER TABLE `tb_value`
MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=607;
COMMIT;
++++++++++++++++++++++++++++
Sehingga hasilnya adalah sebagai berikut
Atau penampakan keseluruhannya adalah sbb:
5.Langkah selanjutnya adalah kita membuat code CRUD:create Read Update dan Delete tb_admin
A.Buat fungsi koneksiadmin() gunanya sebagai penghubung tb_admin dengan database
function [con,table,kolom] = koneksiadmin()
url = 'jdbc:mysql://localhost:3306/';
table='tb_admin';
kolom = {'kode_admin', 'name', 'username', 'password'};
con = database('db_matlab', 'root', '', 'com.mysql.jdbc.Driver', url);
end
B.Buat fungsi lihatadmin() gunanya sebagai code melihat tb_admin database ke database
function [ kolom,mydata,no ] = lihatadmin(varargin)
[con,table,kolom]=koneksiadmin();
tabel=varargin{1};
SQL=['SELECT * FROM ' tabel];
if length(varargin)==3
pk=varargin{2};
kode=varargin{3};
setdbprefs('NullNumberWrite', 'NaN');
SQL=['select * from ' tabel ' where ' pk ' like ''%', kode, '%'''];
end
curs = exec(con,SQL);
curs = fetch(curs);
mydata=curs.Data;
baris=size(mydata,1);
no=linspace(1,baris,baris);
end
C.Membuat Fungsi autoadmin(), gunanya untuk membuat kode autocode kode_admin.....
function [ AU ] = autoadmin( varargin )
[con,table,kolom]=koneksiadmin();
%kode='KAT1407000';
tabel=varargin{1};
pk=varargin{2};
pre=varargin{3};
setdbprefs('NullNumberWrite', 'NaN');
SQL=['SELECT * FROM ' tabel ' order by ' pk ' desc' ];
curs = exec(con,SQL);
curs = fetch(curs);
mydata=curs.Data;
baris=size(mydata,1);
th=year(date);
bl=month(date);
thn=num2str(th);
thn=thn(3:4);
bln=num2str(bl);
C=1;
if bl<10
bln=['0' bln];
end
kode=[pre thn bln '001'];
[AU]=[pre thn bln];
if baris>0
kode=cell2mat(mydata(1,1));
if strcmp(kode,'No Data')>0
C=1;
else
C1=kode(8:10);
C=str2num(C1)+1;
YL=kode(4:5);
ML=kode(6:7);
[AU]=[pre YL ML];
if str2num(thn)~=str2num(YL)
C=1;
elseif str2num(bln)~=str2num(ML)
C=1;
end
end
end
if C <10
[AU]=[AU '00' num2str(C)];
elseif C <100
[AU]=[AU '0' num2str(C)];
else
[AU]=[AU num2str(C)];
end
end
D.Membuat GUI CRUD Admin
E.Buat code sbb di dalamnya:
function varargout = admin(varargin)
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @admin_OpeningFcn, ...
'gui_OutputFcn', @admin_OutputFcn, ...
'gui_LayoutFcn', [] , ...
'gui_Callback', []);
if nargin && ischar(varargin{1})
gui_State.gui_Callback = str2func(varargin{1});
end
if nargout
[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
gui_mainfcn(gui_State, varargin{:});
end
function admin_OpeningFcn(hObject, eventdata, handles, varargin)
handles.output = hObject;
axes(handles.axes2); %memilih axes1 sebagai letak gambar yang dimunculkan
imshow('logo.jpeg');
axes(handles.axes3); %memilih axes1 sebagai letak gambar yang dimunculkan
imshow('bg2.jpeg');
axes(handles.axes4); %memilih axes1 sebagai letak gambar yang dimunculkan
imshow('bg2.jpeg');
global kode_admin;
handles.pk='kode_admin';
handles.tabel='tb_admin';
handles.pre='ADM';
[kolom,mydata,no ]=lihatadmin(handles.tabel,handles.pk);
set(handles.myTable,'data',mydata,'ColumnName',kolom,'RowName',no);
set(handles.myTable,'Userdata',mydata); T=size(mydata,1); [tot]=['Total '
num2str(T) ' data']; set(handles.txtTotal,'String',tot);
[AU]=autoadmin(handles.tabel,handles.pk,handles.pre);
set(handles.edkodeadmin,'String',AU);
guidata(hObject, handles);
guidata(hObject, handles);
function btnSimpan_Callback(hObject, eventdata, handles)
kode_admin=get(handles.edkodeadmin,'String');
name=get(handles.edname,'String');
username=get(handles.edusername,'String');
password=get(handles.edpassword,'String');
[con,table,kolom]=koneksiadmin();
kolomsimpan = {'kode_admin', 'name', 'username', 'password'};
arData = {kode_admin, name,username,password};
fastinsert(con,table,kolomsimpan,arData);
showtabel('Simpan',handles);
function btnUbah_Callback(hObject, eventdata, handles)
kode_admin=get(handles.edkodeadmin,'String');
name=get(handles.edname,'String');
username=get(handles.edusername,'String');
password=get(handles.edpassword,'String');
[con,table,kolom]=koneksiadmin();
[SQL]= ['update tb_admin set name=''', name, ''',username=''', username,''',password=''', password, ''' where kode_admin=''', kode_admin, ''''];
sqls=cell2mat(SQL)
curs = exec(con,sqls);
exec(con, 'rollback');
exec(con, 'commit');
showtabel('Ubah',handles);
function btnHapus_Callback(hObject, eventdata, handles)
kode_admin=get(handles.edkodeadmin,'String');
[con,table,kolom]=koneksiadmin();
[SQL]=['delete from tb_admin where kode_admin=''' kode_admin ''''];
curs = exec(con,SQL);
sqls=cell2mat(SQL)
curs = exec(con,sqls);exec(con, 'rollback');
exec(con, 'commit');
showtabel('Hapus',handles);
function btnReset_Callback(hObject, eventdata, handles)
proyek=guidata(gcbo);
mau=questdlg(['Reset ' get(proyek.figure1,'Name')''],['Anda ingin Reset Aplikasi ini?'],'Ya','Tidak','Ya');
if strcmp(mau,'Tidak')
return;
else
hm = msgbox('Reset','Reset Sukses','help');
showtabel('Clear',handles);
end
function btnTutup_Callback(hObject, eventdata, handles)
close();
function showtabel(proses,handles)
tabel=handles.tabel;
pk=handles.pk;
[kolom,mydata,no ]=lihatadmin(tabel,pk);
set(handles.myTable,'data',mydata,'ColumnName',kolom,'RowName',no);
set(handles.myTable,'Userdata',mydata);
T=size(mydata,1);
[tot]=['Total ' num2str(T) ' data'];
set(handles.txtTotal,'String',tot);
[AU]=autoadmin(handles.tabel,handles.pk,handles.pre);
set(handles.edkodeadmin,'String',AU);
set(handles.edname,'String','');
set(handles.edusername,'String','');
set(handles.edpassword,'String','');
[ps]=['Sukses Proses ' proses];
msgbox(ps,proses,'help');
function myTable_CellSelectionCallback(hObject, eventdata, handles)
try
al= eventdata.Indices;
dataseleksi=get(handles.myTable,'Userdata');
getdata=dataseleksi(al);
kode=getdata{1};
[kolom,mydata,no ] = lihatadmin(handles.tabel,handles.pk,kode);
var1=mydata(1,1);
var2=mydata(1,2);
var3=mydata(1,3);
var4=mydata(1,3);
set(handles.edkodeadmin,'string',var1);
set(handles.edname,'string',var2);
set(handles.edusername,'string',var3);
set(handles.edpassword,'string',var4);
catch
[AU]=autoadmin(handles.tabel,handles.pk,handles.pre);
set(handles.edkodeadmin,'string',AU);
set(handles.edname,'string','');
set(handles.edusername,'string','');
set(handles.edpassword,'string','');
end
F.Hasil ahirnya adalah sbb:
Bila salah satu data pada tabel kita pilih/klik maka data tersebut akan terseleksi ke atas dan siap untuk di modifikasi (ubah / dihapus).....
CMIIW
Sabtu, 10 November 2018
POPUP MENU MATLAB
How Get VALUE POPUP MENU
function pilAgama_Callback(hObject, eventdata, handles)
ar= get(handles.pilAgama, 'String');
v = get(handles.pilAgama, 'value');
hasil=cell2mat(ar(v));
set(handles.pilAgama, 'Userdata',hasil);
How SET VALUE POPUP MENU:
v=1;
if(strcmp(agama,'Islam')>0)
v=1;
elseif(strcmp(agama,'Kristen')>0)
v=2;
elseif(strcmp(agama,'Hindu')>0)
v=3;
elseif(strcmp(agama,'Budha')>0)
v=4;
end
set(handles.pilAgama, 'Value', v);
How SET STRING POPUP MENU:
a='you';b='are';c='crazy'
s=char(a,b,c); %s 3x5 30 char
set(handles.pilNIK,'string',s);
How SET STRING POPUP MENU FROM DATABASE:
[arkode,arnama] = aremployee( 'tb_employe' );
set(handles.pilNIK,'string',arkode);
function [kode,nama] = aremployee( tabel )
[con]=koneksivalue();
setdbprefs('NullNumberWrite', 'NaN');
SQL=['SELECT nik,name FROM ' tabel ' order by nik asc' ];
curs = exec(con,SQL);
curs = fetch(curs);
mydata=curs.Data;
baris=size(mydata,1);
kode=mydata(:,1);
nama=mydata(:,2);
end
function [con] = koneksivalue()
url = 'jdbc:mysql://localhost:3306/';
con = database('db_matlab', 'root', '', 'com.mysql.jdbc.Driver', url);
end
Menghitung Selisih Tanggal
Di database Matlab menyimpan tanggal dalam format string...
Misal:
str=date
'10-Nov-2018'
Dan jika kita k=ingin mncari selisih dari dua string tanggal tersebut maka gunakan rumus sbb:
A=datetime('02-Nov-2018','InputFormat','dd-MM-yyyy');
B=datetime('12-Nov-2018','InputFormat','dd-MM-yyyy');
numdays = datenum(A) - datenum(B);
HASIL:
A 1x1 17 datetime
B 1x1 17 datetime
numdays 1x1 8 double
A = 02-Nov-2018
B = 12-Nov-2018
numdays =-10
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Misal:
str=date
'10-Nov-2018'
Dan jika kita k=ingin mncari selisih dari dua string tanggal tersebut maka gunakan rumus sbb:
A=datetime('02-Nov-2018','InputFormat','dd-MM-yyyy');
B=datetime('12-Nov-2018','InputFormat','dd-MM-yyyy');
numdays = datenum(A) - datenum(B);
HASIL:
A 1x1 17 datetime
B 1x1 17 datetime
numdays 1x1 8 double
A = 02-Nov-2018
B = 12-Nov-2018
numdays =-10
++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Langganan:
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