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09:08, 21 October 2025 Davrot talk contribs created page File:16 6.png
09:08, 21 October 2025 Davrot talk contribs uploaded File:16 6.png
09:08, 21 October 2025 Davrot talk contribs created page File:16 5.png
09:08, 21 October 2025 Davrot talk contribs uploaded File:16 5.png
09:08, 21 October 2025 Davrot talk contribs created page File:16 4.png
09:08, 21 October 2025 Davrot talk contribs uploaded File:16 4.png
09:07, 21 October 2025 Davrot talk contribs created page File:16 3.png
09:07, 21 October 2025 Davrot talk contribs uploaded File:16 3.png
09:06, 21 October 2025 Davrot talk contribs created page File:16 2.png
09:06, 21 October 2025 Davrot talk contribs uploaded File:16 2.png
09:06, 21 October 2025 Davrot talk contribs created page File:16 1.png
09:06, 21 October 2025 Davrot talk contribs uploaded File:16 1.png
08:42, 21 October 2025 Davrot talk contribs created page Flow chart for baking bread (Created page with "Disassembling the process of baking bread as a flow chart. Questions to [mailto:davrot@uni-bremen.de David Rotermund] == Baking bread == {% raw %}<pre class="mermaid"> graph TD A(["Start"]) --> B{"Ingredients Ready?"} B -->|"Yes"| C("Preheat Oven") B -->|"No"| D"Gather Ingredients" D --> C C --> md"Make Dough" --> E("Knead Dough") E --> F{"First Rise Complete?"} F -->|"Yes"| G("Punch Down Dough") F -->|"No"| E G --> H("Sh...") Tag: Visual edit
08:33, 21 October 2025 Davrot talk contribs created page Examples (Created page with "Looking into some flow chart examples. Questions to [mailto:davrot@uni-bremen.de David Rotermund] == Most simple program == This program does nothing. {% raw %}<pre class="mermaid"> flowchart TD start([Start])-->stop([Stop]) </pre>{% endraw %} In Python:<syntaxhighlight lang="python">pass</syntaxhighlight> == a+b=c == {% raw %}<pre class="mermaid"> flowchart TD start([Start]) --> inita{{"a ← 1"}} --> initb{{"b ← 1"}} --> add("c ← a+b") --...") Tag: Visual edit
10:51, 20 October 2025 Davrot talk contribs created page Flow chart symbols (Created page with " <mermaid> graph TD A[Start] --> B[End] </mermaid>") Tag: Visual edit: Switched
15:41, 17 October 2025 Davrot talk contribs created page K Nearest Neighbours (pure numpy) (Created page with "Questions to [mailto:davrot@uni-bremen.de David Rotermund] == Test and train data == <syntaxhighlight lang="python">import numpy as np rng = np.random.default_rng(1) a_x: np.ndarray = rng.normal(1.5, 1.0, size=(1000))[:, np.newaxis] a_y: np.ndarray = rng.normal(3.0, 1.0, size=(1000))[:, np.newaxis] data_train_0: np.ndarray = np.concatenate((a_x, a_y), axis=-1) class_train_0: np.ndarray = np.full((data_train_0.shape[0],), -1) a_x = rng.normal(1.5, 1.0, size=(1000))[:,...") Tag: Visual edit
15:40, 17 October 2025 Davrot talk contribs created page ROC (pure numpy) (Created page with "Questions to [mailto:davrot@uni-bremen.de David Rotermund] The following code is for the case where the amount of data for both classes is the same. == Test data == <syntaxhighlight lang="python">import numpy as np import matplotlib.pyplot as plt rng = np.random.default_rng(1) a_x = rng.normal(1.5, 1.0, size=(5000)) b_x = rng.normal(0.0, 1.0, size=(5000)) ab_x = np.concatenate([a_x, b_x]) edges = np.histogram_bin_edges(ab_x, bins=100, range=None, weights=None) h_a...") Tag: Visual edit
15:39, 17 October 2025 Davrot talk contribs created page File:15 1.png
15:39, 17 October 2025 Davrot talk contribs uploaded File:15 1.png
15:39, 17 October 2025 Davrot talk contribs created page File:15 2.png
15:39, 17 October 2025 Davrot talk contribs uploaded File:15 2.png
15:39, 17 October 2025 Davrot talk contribs created page File:15 3.png
15:39, 17 October 2025 Davrot talk contribs uploaded File:15 3.png
15:36, 17 October 2025 Davrot talk contribs created page Support Vector Machine (Created page with "== Top == Questions to [mailto:davrot@uni-bremen.de David Rotermund] == [https://scikit-learn.org/stable/modules/generated/sklearn.svm.SVC.html sklearn.svm.SVC] == <syntaxhighlight lang="python">sklearn.svm.SVC(*, C=1.0, kernel='rbf', degree=3, gamma='scale', coef0=0.0, shrinking=True, probability=False, tol=0.001, cache_size=200, class_weight=None, verbose=False, max_iter=-1, decision_function_shape='ovr', break_ties=False, random_state=None)</syntaxhighlight><blockquo...") Tag: Visual edit
15:35, 17 October 2025 Davrot talk contribs created page FastICA (Created page with "== The goal == Questions to [mailto:davrot@uni-bremen.de David Rotermund] == Test data == We rotate the blue dots with a non-orthogonal rotation matrix into the red dots.<syntaxhighlight lang="python">import numpy as np import matplotlib.pyplot as plt rng = np.random.default_rng(1) a_x = rng.normal(0.0, 1.0, size=(5000))[:, np.newaxis] a_y = rng.normal(0.0, 1.0, size=(5000))[:, np.newaxis] ** 3 data_a = np.concatenate((a_x, a_y), axis=1) b_x = rng.normal(0.0, 1.0,...") Tag: Visual edit
15:35, 17 October 2025 Davrot talk contribs created page File:14 0.png
15:35, 17 October 2025 Davrot talk contribs uploaded File:14 0.png
15:34, 17 October 2025 Davrot talk contribs created page File:14 1.png
15:34, 17 October 2025 Davrot talk contribs uploaded File:14 1.png
15:33, 17 October 2025 Davrot talk contribs created page File:14 2.png
15:33, 17 October 2025 Davrot talk contribs uploaded File:14 2.png
15:33, 17 October 2025 Davrot talk contribs created page File:14 3.png
15:33, 17 October 2025 Davrot talk contribs uploaded File:14 3.png
15:08, 17 October 2025 Davrot talk contribs created page PCA (Created page with "== The goal == PCA allows to extract an orthogonal basis system for a set of data. Questions to [mailto:davrot@uni-bremen.de David Rotermund] == Test data == <syntaxhighlight lang="python">import numpy as np import matplotlib.pyplot as plt rng = np.random.default_rng(1) a_x = rng.normal(0.0, 1.0, size=(5000))[:, np.newaxis] a_y = rng.normal(0.0, 1.0, size=(5000))[:, np.newaxis] ** 3 data_a = np.concatenate((a_x, a_y), axis=1) b_x = rng.normal(0.0, 1.0, size=(5000))[...") Tag: Visual edit
15:07, 17 October 2025 Davrot talk contribs created page File:13 0.png
15:07, 17 October 2025 Davrot talk contribs uploaded File:13 0.png
15:07, 17 October 2025 Davrot talk contribs created page File:13 1.png
15:07, 17 October 2025 Davrot talk contribs uploaded File:13 1.png
15:06, 17 October 2025 Davrot talk contribs created page File:13 2.png
15:06, 17 October 2025 Davrot talk contribs uploaded File:13 2.png
15:06, 17 October 2025 Davrot talk contribs created page File:13 3.png
15:06, 17 October 2025 Davrot talk contribs uploaded File:13 3.png
15:04, 17 October 2025 Davrot talk contribs created page KMeans (Created page with "== The goal == KMeans allows to find clusters in a data set. Questions to [mailto:davrot@uni-bremen.de David Rotermund] == Test data == <syntaxhighlight lang="python">import numpy as np import matplotlib.pyplot as plt rng = np.random.default_rng(1) rng = np.random.default_rng() a_x = rng.normal(1.5, 1.0, size=(1000)) a_y = rng.normal(3.0, 1.0, size=(1000)) b_x = rng.normal(0.0, 1.0, size=(1000)) b_y = rng.normal(0.0, 1.0, size=(1000)) plt.plot(a_x, a_y, "c.") plt....") Tag: Visual edit
15:03, 17 October 2025 Davrot talk contribs created page File:12 1.png
15:03, 17 October 2025 Davrot talk contribs uploaded File:12 1.png
15:03, 17 October 2025 Davrot talk contribs created page File:12 2.png
15:03, 17 October 2025 Davrot talk contribs uploaded File:12 2.png
15:02, 17 October 2025 Davrot talk contribs created page File:12 3.png
15:02, 17 October 2025 Davrot talk contribs uploaded File:12 3.png
15:02, 17 October 2025 Davrot talk contribs created page File:12 0.png