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-rw-r--r--OLD/math2373/lab4.txt173
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diff --git a/OLD/math2373/lab4.txt b/OLD/math2373/lab4.txt
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@@ -1,173 +0,0 @@
-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