Octave Programming Examples

Execute MATLAB/Octave Online

octave

x= [
0
0.0005
0.00102
0.00146
0.0023
0.0031
0.005
0.007
0.01
0.049
0.125
0.218
0.234
0.306
0.33
0.348
0.36
0.366


];

y=[
0
102.3
204.7
293.5
272.9
264
268.9
267.6
264
318.6
372
394.4
395
384.2
360.4
327.5
290
266.8
];
plot(x,y);

line(x,y);

title('Stress vs Strain');
xlabel('Strain e');
ylabel('Stress s MPa');

print -dpng figure.png

Execute MATLAB/Octave Online

octave

x= [
0
0.0005
0.00102
0.00146
0.0023
0.0031
0.005
0.007
0.01
0.049
0.125
0.218
0.234
0.306
0.33
0.348
0.36
0.366


];

y=[
0
102.3
204.7
293.5
272.9
264
268.9
267.6
264
318.6
372
394.4
395
384.2
360.4
327.5
290
266.8
];
%stairs(x,y);

line(x,y);
loglog(x,y)
title('Stress vs Strain');
xlabel('Strain e');
ylabel('Stress s MPa');

print -dpng figure.png

stress strain curve

octave

x=[0 0.0005 0.00102 0.00146 0.0023 0.0031 0.005 0.007 0.01 0.049 0.125 0.218 0.234 0.306 0.33 0.348 0.36 0.366];
y=[0 102.3 204.7 293.5 272.9 264 268.9 267.6 264 318.6 372 394.4 395 384.2 360.4 327.5 290 266.8];
scatter(x,y);
line(x,y);
title('Plot stress strain curve');
xlabel('X Axis');
ylabel('Y Axis');

print -dpng figure.png

stress strain curve area

octave

x = [0 0.0005 0.00102 0.00146 0.0023 0.0031 0.005 0.007 0.01 0.049 0.125 0.218 0.234 0.306 0.33 0.348 0.36 0.366]
y = [0 102.3 204.7 293.5 272.9 264 268.9 267.6 264 318.6 372 394.4 395 384.2 360.4 327.5 290 266.8]
semilogy(x,y);
stairs(x,y);
scatter(x,y);
line(x,y);
area(x,y);
ar=area(x,y);
title('Plot stress strain curve');
xlabel('x Axis');
ylabel('y Axis');

print -dpng figure.png

RIGIDITY MODULUS CALCULATION

octave

x=[0 0.0005 0.00102 0.00146 0.0023 0.0031 0.005 0.007 0.01 0.049 0.125 0.218 0.234 0.306 0.33 0.348 0.36 0.366];
y=[0 102.3 204.7 293.5 272.9 264 268.9 267.6 264 318.6 372 394.4 395 384.2 360.4 327.5 290 266.8];

area(x,y);
ar=area(x,y)
title(' sress srtain curve');
xlabel('strain');
ylabel('stress');

print -dpng figure.png

stress strain curve 12

octave

x = [0 0.0005 0.00102 0.00146 0.0023 0.0031 0.005 0.007 0.01 0.049 0.125 0.218 0.234 0.306 0.33 0.348 0.36 0.366]
y= [0 102.3 204.7 293.7 272.9 264 268.9 267.6 264 318.6 372 394.4 395 384.2 360.4 327.5 290 266.8]
                                                                                                        
line(x,y);
area(x,y);
ar=area(x,y)
title('Plot title');

xlabel('X Axis');
ylabel('Y Axis');

print -dpng figure.png

Execute MATLAB/Octave Online

octave

x= [
0
0.0005
0.00102
0.00146
0.0023
0.0031
0.005
0.007
0.01
0.049
0.125
0.218
0.234
0.306
0.33
0.348
0.36
0.366


];

y=[
0
102.3
204.7
293.5
272.9
264
268.9
267.6
264
318.6
372
394.4
395
384.2
360.4
327.5
290
266.8
];
plot(x,y);
line(x,y);
title('Stress vs Strain');
xlabel('Strain e');
ylabel('Stress s MPa');

print -dpng figure.png

STRESS - STRAIN CURVE

octave

x=[0 0.0005 0.00102 0.00146 0.0023 0.0031 0.005 0.007 0.01 0.049 0.125 0.218 0.234 0.306 0.33 0.348 0.36 0.366];
y=[0 102.3 204.7 293.5 272.9 264 268.9 267.6 264 318.6 372 394.4 395 384.2 360.4 327.5 290 266.8];
area(x,y);
ar=area(x,y)
title('Plot sress srtain curve');
xlabel('vinod');
ylabel('vbn');

print -dpng figure.png

sin thi curve

octave

x = [0 45 90 135 180 225 270 315 360 405 450 495 540 585 630 675 720];
y=sin(x*pi/180);
scatter(x,y);

title('Plot title');
xlabel('X Axis');
ylabel('Y Axis');

print -dpng figure.png

Execute MATLAB/Octave Online

octave

x=[
0
0.0005
0.00102
0.00146
0.0023
0.0031
0.005
0.007
0.01
0.049
0.125
0.218
0.234
0.306
0.33
0.348
0.36
0.366
]
y=[
0
102.3
204.7
293.5
272.9
264
268.9
267.6
264
318.6
372
394.4
395
384.2
360.4
327.5
290
266.8
]
line(x,y);
area(x,y)
ar=area(x,y)
title('plot title');
xlabel('x axis');
ylabel('y axis');
title('Plot title');
loglog(x,y)
print -dpng figure.png












xlabel('X Axis');
ylabel('Y Axis');

print -dpng figure.png

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