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-rw-r--r--OLD/math2373/lab9.txt323
1 files changed, 0 insertions, 323 deletions
diff --git a/OLD/math2373/lab9.txt b/OLD/math2373/lab9.txt
deleted file mode 100644
index 5079803..0000000
--- a/OLD/math2373/lab9.txt
+++ /dev/null
@@ -1,323 +0,0 @@
-t=[0:2:100]
-
-t =
-
- Columns 1 through 11
-
- 0 2 4 6 8 10 12 14 16 18 20
-
- Columns 12 through 22
-
- 22 24 26 28 30 32 34 36 38 40 42
-
- Columns 23 through 33
-
- 44 46 48 50 52 54 56 58 60 62 64
-
- Columns 34 through 44
-
- 66 68 70 72 74 76 78 80 82 84 86
-
- Columns 45 through 51
-
- 88 90 92 94 96 98 100
-
-clear
-t=[0:2:100];
-x=10+exp(-0.2618*t)
-
-x =
-
- Columns 1 through 6
-
- 11.0000 10.5924 10.3509 10.2079 10.1231 10.0729
-
- Columns 7 through 12
-
- 10.0432 10.0256 10.0152 10.0090 10.0053 10.0032
-
- Columns 13 through 18
-
- 10.0019 10.0011 10.0007 10.0004 10.0002 10.0001
-
- Columns 19 through 24
-
- 10.0001 10.0000 10.0000 10.0000 10.0000 10.0000
-
- Columns 25 through 30
-
- 10.0000 10.0000 10.0000 10.0000 10.0000 10.0000
-
- Columns 31 through 36
-
- 10.0000 10.0000 10.0000 10.0000 10.0000 10.0000
-
- Columns 37 through 42
-
- 10.0000 10.0000 10.0000 10.0000 10.0000 10.0000
-
- Columns 43 through 48
-
- 10.0000 10.0000 10.0000 10.0000 10.0000 10.0000
-
- Columns 49 through 51
-
- 10.0000 10.0000 10.0000
-
-clear
-t=[0:2:100];
-x=10+exp(-0.2618*t);
-Q=[-14.4721 10 -5.5279; 8.9443 -10 -8.9443; -5.5279 10 -14.4721];
-x=10+Q*exp(-0.2618*t);
-{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 '.*'.
-}
-x=10+Q.*exp(-0.2618*t);
-{Matrix dimensions must agree.
-}
-x=10+Q[1:].*exp(-0.2618*t);
- x=10+Q[1:].*exp(-0.2618*t);
- ↑
-{Error: Invalid expression. When calling a function or indexing a
-variable, use parentheses. Otherwise, check for mismatched
-delimiters.
-}
-x=10+Q[:1].*exp(-0.2618*t);
- x=10+Q[:1].*exp(-0.2618*t);
- ↑
-{Error: Invalid expression. When calling a function or indexing a
-variable, use parentheses. Otherwise, check for mismatched
-delimiters.
-}
-x=10+Q.*exp(-0.2618*t);
-{Matrix dimensions must agree.
-}
-x=10+Q(:,1).*exp(-0.2618*t);
-plot(t,x)
-x=10+Q(1,:).*exp(-0.2618*t);
-{Matrix dimensions must agree.
-}
-x=10+Q(:,1).*exp(-0.2618*t);
-plot(t,x)
-clear x
-x=10+Q(:,1).*exp(-0.2618*t);
-clear x
-Q(:,1)
-
-ans =
-
- -14.4721
- 8.9443
- -5.5279
-
-x=10+Q(:,1)*exp(-0.2618*t);
-x=10+Q(1,:)*exp(-0.2618*t);
-{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
-'.*'.
-}
-x=10+Q(:,1)*exp(-0.2618*t);
-plot(t,x)
-x=10+Q(1)*exp(-0.2618*t);
-Q(1)
-
-ans =
-
- -14.4721
-
-x=10+Q(1)*exp(-0.2618*t)+Q(2)*exp(-0.2618*t)+Q(3)*exp(-0.2618*t);
-plot(t,x)
-F=-.2618; x=10+Q(1)*exp(F*t)+Q(2)*exp(F*t)+Q(3)*exp(F*t);
-plot(t,x);
-hold on;
-F=-.2618, y=3; y=10+Q(y+1)*exp(F*t)+Q(y+2)*exp(F*t)+Q(y+3)*exp(F*t);
-
-F =
-
- -0.2618
-
-F=-.2618; y=3; y=10+Q(y+1)*exp(F*t)+Q(y+2)*exp(F*t)+Q(y+3)*exp(F*t);
-plot(t,y)
-F=-0.2; y=3; y=10+Q(y+1)*exp(F*t)+Q(y+2)*exp(F*t)+Q(y+3)*exp(F*t);
-plot(t,y)
-hold off
-plot(t,x)
-Q(4)
-
-ans =
-
- 10
-
-Q(3
- Q(3
- ↑
-{Error: Invalid expression. When calling a function or indexing a
-variable, use parentheses. Otherwise, check for mismatched
-delimiters.
-}
-Q(3)
-
-ans =
-
- -5.5279
-
-Q(0)
-{Array indices must be positive integers or logical values.
-}
-Q(4)
-
-ans =
-
- 10
-
-Q(5)
-
-ans =
-
- -10
-
-Q(6)
-
-ans =
-
- 10
-
-Q(7)
-
-ans =
-
- -5.5279
-
-Q(8)
-
-ans =
-
- -8.9443
-
-Q(9)
-
-ans =
-
- -14.4721
-
-Q(10)
-{Index exceeds array bounds.
-}
-Q(5)
-
-ans =
-
- -10
-
-Q(6)
-
-ans =
-
- 10
-
-F=-0.2; y=3; y=10+Q(y,1)*exp(F*t)+Q(y,2)*exp(F*t)+Q(y,3)*exp(F*t);
-F=-0.2; y=0; x=10+Q(y,1)*exp(F*t)+Q(y,2)*exp(F*t)+Q(y,3)*exp(F*t);
-{Index in position 1 is invalid. Array indices must be positive
-integers or logical values.
-}
-F=-0.2; y=1; x=10+Q(y,1)*exp(F*t)+Q(y,2)*exp(F*t)+Q(y,3)*exp(F*t);
-F=-0.2618; y=1; x=10+Q(y,1)*exp(F*t)+Q(y,2)*exp(F*t)+Q(y,3)*exp(F*t);
-plot(t,x)
-hold on;
-F=-0.2; y=2; x=10+Q(y,1)*exp(F*t)+Q(y,2)*exp(F*t)+Q(y,3)*exp(F*t);
-plot(t,y)
-F=-0.2618; y=1; x=10+Q(y,1)*exp(F*t)+Q(y,2)*exp(F*t)+Q(y,3)*exp(F*t);
-F=-0.2; y=2; y=10+Q(y,1)*exp(F*t)+Q(y,2)*exp(F*t)+Q(y,3)*exp(F*t);
-plot(t,y)
-clear plot
-F=-0.2618; y=1; x=10+Q(y,1)*exp(F*t)+Q(y,2)*exp(F*t)+Q(y,3)*exp(F*t);
-F=-0.2618; z=2; y=10+Q(z,1)*exp(F*t)+Q(z,2)*exp(F*t)+Q(z,3)*exp(F*t);
-F=-0.2; z=2; y=10+Q(z,1)*exp(F*t)+Q(z,2)*exp(F*t)+Q(z,3)*exp(F*t);
-plot(t,y)
-plot(t,x)
-hold onl
-{Error using <a href="matlab:matlab.internal.language.introspective.errorDocCallback('hold', '/soft/MATLAB/R2018a/toolbox/matlab/graphics/hold.m', 83)" style="font-weight:bold">hold</a> (<a href="matlab: opentoline('/soft/MATLAB/R2018a/toolbox/matlab/graphics/hold.m',83,0)">line 83</a>)
-Unknown command option.
-}
-hold on
-plot(t,y)
-F=-0.2; z=2; y=10+Q(z,1)*exp(F*t)+Q(z,2)*exp(F*t)+Q(z,3)*exp(F*t);
-Q(2,1)
-
-ans =
-
- 8.9443
-
-F=-0.2; z=2; y=10+Q(z,1)*exp(F*t)+Q(z,2)*exp(F*t)+Q(z,3)*exp(F*t);
-F=-0.2; a=2; z=10+Q(a,1)*exp(F*t)+Q(a,2)*exp(F*t)+Q(a,3)*exp(F*t);
-F=-0.0382; a=3; z=10+Q(a,1)*exp(F*t)+Q(a,2)*exp(F*t)+Q(a,3)*exp(F*t);
-plot (t,z)
-clear plot;
-plot (t,x)
-plot (t,z)
-plot (t,x)
-hold on
-plot (t,z)
-F=-0.2; z=2; y=10+Q(z,1)*exp(F*t)+Q(z,2)*exp(F*t)+Q(z,3)*exp(F*t);
-plot(t,y)
-plot(t,x); plot(t,y) plot(t,z)
- plot(t,x); plot(t,y) plot(t,z)
- ↑
-{Error: Invalid expression. Check for missing multiplication
-operator, missing or unbalanced delimiters, or other syntax
-error. To construct matrices, use brackets instead of
-parentheses.
-}
-plot(t,x); plot(t,y); plot(t,z)
-clear plot
-plot(t,x); hold on; plot(t,y); plot(t,z)
-plot(t,x); plot(t,y); plot(t,z)
-hold on
-plot(t,x); plot(t,y); plot(t,z)
-F=-0.2; z=2; y=10+Q(z,1)*exp(F*t)+Q(z,2)*exp(F*t)+Q(z,3)*exp(F*t);
-plot(t,x); plot(t,y); plot(t,z)
-F=-0.0382; a=3; z=10+Q(a,1)*exp(F*t)+Q(a,2)*exp(F*t)+Q(a,3)*exp(F*t);
-plot(t,x); plot(t,y); plot(t,z)
-hold on;
-plot(t,x); plot(t,y); plot(t,z)
-F=-0.0382; z=10+Q(a,1)*exp(-.2618*t)+Q(a,2)*exp(-.2*t)+Q(a,3)*exp(-.0382*t);
-a=1; z=10+Q(a,1)*exp(-.2618*t)+Q(a,2)*exp(-.2*t)+Q(a,3)*exp(-.0382*t);
-a=1; x=10+Q(a,1)*exp(-.2618*t)+Q(a,2)*exp(-.2*t)+Q(a,3)*exp(-.0382*t);
-a=2; y=10+Q(a,1)*exp(-.2618*t)+Q(a,2)*exp(-.2*t)+Q(a,3)*exp(-.0382*t);
-a=3; z=10+Q(a,1)*exp(-.2618*t)+Q(a,2)*exp(-.2*t)+Q(a,3)*exp(-.0382*t);
-hold on;
-plot(t,x); plot(t,y); plot(t,z)
-plot(t,x,'b:s'); plot(t,y,'r:p'); plot(t,z,'g,t')
-{Error using <a href="matlab:matlab.internal.language.introspective.errorDocCallback('plot')" style="font-weight:bold">plot</a>
-Error in color/linetype argument.
-}
-plot(t,x,'b:s'); plot(t,y,'r:p'); plot(t,z,'g,o')
-{Error using <a href="matlab:matlab.internal.language.introspective.errorDocCallback('plot')" style="font-weight:bold">plot</a>
-Error in color/linetype argument.
-}
-plot(t,x,'b:s'); plot(t,y,'r:p'); plot(t,z,'-o')
-t.label("time")
-{Dot indexing is not supported for variables of this type.
-}
-t.label('time')
-{Dot indexing is not supported for variables of this type.
-}
-x.label('time')
-{Dot indexing is not supported for variables of this type.
-}
-xlabel('time')
-xlabel('Time')
-ylabel('Amount of salt')
-xlabel('Time (seconds)')
-xlabel('Time (min)')
-plot(t,x,'b:s'); plot(t,y,'r:p'); plot(t,z,'-o')
-xlabel('Time (min)')
-ylabel('Amount of salt')
-hold on;
-plot(t,x,'b:s'); plot(t,y,'r:p'); plot(t,z,'-o')
-xlabel('Time (min)')
-ylabel('Amount of salt')
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-09 23:36:15 +0000