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Y 的代码
oplot0.dat
Y
+ *
* + *
kkspt0.dat
y( 0)=5.40000e+01 yy( 0)=5.68429e+01
y( 1)=1.45000e+02 yy( 1)=1.33629e+02
y( 2)=2.27000e+02 yy( 2)=2.44057e+02
y( 3)=3.59000e+02 yy( 3)=3.47943e+02
y( 4)=4.01000e+02 yy( 4)=3.93457e+02
gdfte0.dat
y( 0)=0.00000e+00
y( 1)=1.86090e-02
y( 2)=3.25359e-02
y( 3)=4.20480e-02
y( 4)=4.73684e-02
y( 5)=4.86842e-02
y( 6)=4.61538e-02
y( 7)=3.99123e-02
y( 8)=3.00752e-02
y( 9)=1.67423e-02
y(10)=0.
例5-8.m
>> Y=randn(15000,2);
>> hist(Y)
>> Y=randn(15000,1);
>> hist(Y,30)
例3-2.m
<mark>y</mark>=dsolve(' D2<mark>y</mark>=cos(2*x)-<mark>y</mark> ',' D<mark>y</mark>(0)=0 ',' <mark>y</mark>(0)=1 ')
<mark>y</mark>=simple(<mark>y</mark>)
<mark>y</mark>=solve( 'D2<mark>y</mark>-2D<mark>y</mark>-3*<mark>y</mark>=0 ')
<mark>y</mark>=solve( ' D2<mark>y</mark>-2D<mark>y</mark>-3*<mark>y</mark>=0 ' ,' <mark>y</mark>(0)=0,<mark>y</mark>(1)=1 ' )
<mark>y</mark>=simple(<mark>y</m ...
例2-29.m
>> Y=[3;5;7;9;8]
>> Y'-2
>> 2*Y'-2
oplot0.dat
Y
+ *
* + *
gdfte0.dat
y( 0)=0.00000e+00
y( 1)=1.86090e-02
y( 2)=3.25359e-02
y( 3)=4.20480e-02
y( 4)=4.73684e-02
y( 5)=4.86842e-02
y( 6)=4.61538e-02
y( 7)=3.99123e-02
y( 8)=3.00752e-02
y( 9)=1.67423e-02
y(10)=0.
kkspt0.dat
y( 0)=5.40000e+01 yy( 0)=5.68429e+01
y( 1)=1.45000e+02 yy( 1)=1.33629e+02
y( 2)=2.27000e+02 yy( 2)=2.44057e+02
y( 3)=3.59000e+02 yy( 3)=3.47943e+02
y( 4)=4.01000e+02 yy( 4)=3.93457e+02