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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')
|
