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|
v.*w
ans =
10 36 32 -12 42
v*w
{Error using <a href="matlab:matlab.internal.language.introspective.errorDocCallback('mtimes')" style="font-weight:bold"> * </a>
Incorrect dimensions for matrix multiplication. Check that the number of columns in the first
matrix matches the number of rows in the second matrix. To perform elementwise
multiplication, use '.*'.
}
v.^3
ans =
8 27 64 -8 216
v./w
ans =
0.4000 0.2500 0.5000 -0.3333 0.8571
a = [0,1,2,3,4,5]
a =
0 1 2 3 4 5
b=a.^3-9*a.^2+18*a
b =
0 10 8 0 -8 -10
plot(a,b)
c=(0:0.1:5);
d=c.^3-9*c.^2+18*c;
plot(c,d);
c,d
c =
Columns 1 through 9
0 0.1000 0.2000 0.3000 0.4000 0.5000 0.6000 0.7000 0.8000
Columns 10 through 18
0.9000 1.0000 1.1000 1.2000 1.3000 1.4000 1.5000 1.6000 1.7000
Columns 19 through 27
1.8000 1.9000 2.0000 2.1000 2.2000 2.3000 2.4000 2.5000 2.6000
Columns 28 through 36
2.7000 2.8000 2.9000 3.0000 3.1000 3.2000 3.3000 3.4000 3.5000
Columns 37 through 45
3.6000 3.7000 3.8000 3.9000 4.0000 4.1000 4.2000 4.3000 4.4000
Columns 46 through 51
4.5000 4.6000 4.7000 4.8000 4.9000 5.0000
d =
Columns 1 through 9
0 1.7110 3.2480 4.6170 5.8240 6.8750 7.7760 8.5330 9.1520
Columns 10 through 18
9.6390 10.0000 10.2410 10.3680 10.3870 10.3040 10.1250 9.8560 9.5030
Columns 19 through 27
9.0720 8.5690 8.0000 7.3710 6.6880 5.9570 5.1840 4.3750 3.5360
Columns 28 through 36
2.6730 1.7920 0.8990 0 -0.8990 -1.7920 -2.6730 -3.5360 -4.3750
Columns 37 through 45
-5.1840 -5.9570 -6.6880 -7.3710 -8.0000 -8.5690 -9.0720 -9.5030 -9.8560
Columns 46 through 51
-10.1250 -10.3040 -10.3870 -10.3680 -10.2410 -10.0000
e =(-2:0.2:6);
g = e.^3-5*e.^2-4*e+20
g =
Columns 1 through 9
0 5.1680 9.5040 13.0560 15.8720 18.0000 19.4880 20.3840 20.7360
Columns 10 through 18
20.5920 20.0000 19.0080 17.6640 16.0160 14.1120 12.0000 9.7280 7.3440
Columns 19 through 27
4.8960 2.4320 0 -2.3520 -4.5760 -6.6240 -8.4480 -10.0000 -11.2320
Columns 28 through 36
-12.0960 -12.5440 -12.5280 -12.0000 -10.9120 -9.2160 -6.8640 -3.8080 0
Columns 37 through 41
4.6080 10.0640 16.4160 23.7120 32.0000
plot(e,g)
d = (0, 2, 4, 5, 6, 8)
d = (0, 2, 4, 5, 6, 8)
↑
{Error: Invalid expression. When calling a function or indexing a variable, use parentheses.
Otherwise, check for mismatched delimiters.
}
d = [0, 2, 4, 5, 6, 8]
d =
0 2 4 5 6 8
f = [0, 20, 30, 50, 70, 100];
plot(d,f,’r:p’);
plot(d,f,’r:p’);
↑
{Error: Invalid text character. Check for unsupported symbol, invisible character, or
pasting of non-ASCII characters.
}
plot(d,f,'r:p');
plot(d,f,'b:s');
plot(d,f,’b:p’);
plot(d,f,’b:p’);
↑
{Error: Invalid text character. Check for unsupported symbol,
invisible character, or pasting of non-ASCII characters.
}
xlabel('Dog years');
ylabel('Human years');
title('The passage of time')
plot(d,f,'b:p');
q = [0,2,4,5,6,8]
q =
0 2 4 5 6 8
q = [0,2,4,5,6,8];
r = [0,20,30,30,50,100];
plot(d,f,'r:p');
hold on
lsline
hold off
plot(q,r,'r:p');
lsline;
man
{Undefined function or variable 'man'.
}
xlabel('Decades of Life')
ylabel('Likliness of Death');
title('Funny Graph Title');
diary off
|
