# (最初)

code:source.jl

xs= -2:0.05:2

ys=1 ./ (xs.^2+1);

code:source.jl

using PyPlot

plot(xs,ys)

code:output.txt

image/png

https://i.gyazo.com/bee752fd7fee1e4d85623c61da784877.png

code:output.txt

PyPlot.Figure(PyObject <matplotlib.figure.Figure object at 0x3192ed410>)

code:output.txt

1-element Array{Any,1}:

PyObject <matplotlib.lines.Line2D object at 0x321739790>

# (次)

原点をずらしてみます

$ f(x) = \frac{1}{(x-x_0)^2+1}

code:source.jl

x0=-0.2

ys=1 ./ ((xs-x0).^2+1);

plot(xs,ys)

code:output.txt

image/png

https://i.gyazo.com/34f9c53412748b7999327d01f35234d2.png

code:output.txt

PyPlot.Figure(PyObject <matplotlib.figure.Figure object at 0x32179cc90>)

code:output.txt

1-element Array{Any,1}:

PyObject <matplotlib.lines.Line2D object at 0x3218b9e90>

# (その次)

幅を変えてみる。

$ f(x) = \frac{\gamma}{(x-x_0)^2+(\gamma)^2}

code:source.jl

x0=-0.2

gamma=3

ys=gamma ./ ((xs-x0).^2+gamma^2);

plot(xs,ys)

code:output.txt

image/png

https://i.gyazo.com/46ff6d424202a3b723358242bce2a1b8.png

code:output.txt

PyPlot.Figure(PyObject <matplotlib.figure.Figure object at 0x321917750>)

code:output.txt

1-element Array{Any,1}:

PyObject <matplotlib.lines.Line2D object at 0x321a98250>

code:source.jl

# In[]