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author | Nao Pross <np@0hm.ch> | 2022-05-27 16:29:48 +0200 |
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committer | Nao Pross <np@0hm.ch> | 2022-05-27 16:29:48 +0200 |
commit | a5e0c8fb18eeabe0cfe00b8ce35d46a7edc6b29b (patch) | |
tree | 4b7cea2f9f339e8a30806bfe854175f691447029 /presentation/figures | |
parent | Fix presentation Makefile (diff) | |
download | FourierOnS2-a5e0c8fb18eeabe0cfe00b8ce35d46a7edc6b29b.tar.gz FourierOnS2-a5e0c8fb18eeabe0cfe00b8ce35d46a7edc6b29b.zip |
Update slides
Diffstat (limited to 'presentation/figures')
-rw-r--r-- | presentation/figures/laplacian-1d.dat | 500 | ||||
-rw-r--r-- | presentation/figures/laplacian-1d.py | 32 | ||||
-rw-r--r-- | presentation/figures/laplacian-3d.jpg | bin | 0 -> 265680 bytes | |||
-rw-r--r-- | presentation/figures/laplacian-sphere.jpg | bin | 0 -> 162808 bytes |
4 files changed, 532 insertions, 0 deletions
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4.993205941247933488e+00 7.015511720128191655e+02 +9.859719438877755593e+00 4.987853879092396525e+00 7.106800153826006863e+02 +9.879759519038076476e+00 4.982687094597387123e+00 7.197242517684906034e+02 +9.899799599198395583e+00 4.977712851916056280e+00 7.286802490831846626e+02 +9.919839679358716467e+00 4.972938344329665306e+00 7.375444106754310951e+02 +9.939879759519037350e+00 4.968370691358828140e+00 7.463131767744092713e+02 +9.959919839679358233e+00 4.964016935904367323e+00 7.549830259193067832e+02 +9.979959919839679117e+00 4.959884041418952449e+00 7.635504763735062852e+02 +1.000000000000000000e+01 4.955978889110630448e+00 7.720120875228209343e+02 diff --git a/presentation/figures/laplacian-1d.py b/presentation/figures/laplacian-1d.py new file mode 100644 index 0000000..65d29d0 --- /dev/null +++ b/presentation/figures/laplacian-1d.py @@ -0,0 +1,32 @@ +import numpy as np +import matplotlib.pyplot as plt + + +@np.vectorize +def fn(x): + return (x ** 2) * 2 / 100 + (1 + x / 4) + np.sin(x) + +@np.vectorize +def ddfn(x): + return 2 * 5 / 100 - np.sin(x) + +x = np.linspace(0, 10, 500) +y = fn(x) +ddy = ddfn(x) + +cmap = ddy - np.min(ddy) +cmap = cmap * 1000 / np.max(cmap) + +plt.plot(x, y) +plt.plot(x, ddy) +# plt.plot(x, cmap) + +plt.show() + +fname = "laplacian-1d.dat" +np.savetxt(fname, np.array([x, y, cmap]).T, delimiter=" ") + +# with open(fname, "w") as f: +# # f.write("x y cmap\n") +# for xv, yv, cv in zip(x, y, cmap): +# f.write(f"{xv} {yv} {cv}\n") diff --git a/presentation/figures/laplacian-3d.jpg b/presentation/figures/laplacian-3d.jpg Binary files differnew file mode 100644 index 0000000..8ab1f4f --- /dev/null +++ b/presentation/figures/laplacian-3d.jpg diff --git a/presentation/figures/laplacian-sphere.jpg b/presentation/figures/laplacian-sphere.jpg Binary files differnew file mode 100644 index 0000000..bcffd17 --- /dev/null +++ b/presentation/figures/laplacian-sphere.jpg |