lorenz

Since 2020-03-16 · 2292 days · Last sync 2026-06-25 02:50

Overview
20,981
Reviews
88.4%
Retention
129
Day Streak
65.2h
Study Time
4,925
Cards
4,254
Mature
11.2s
Avg Time
512.7d
Avg Interval
129d
Best Streak
80
Due Now
Activity
Review Activity — Last 12 Months
Study Hours (All Time)
Upcoming Reviews
Card Analysis
Card States
Answer Buttons
Interval Distribution
Card Progress by Deck 98.7% overall
Deck Introduced New Left Total Progress
ETH2. SemesterDDCA 342 43 385
88.8%
ETH1. SemesterA&D 537 0 537
100.0%
ETH1. SemesterDiskMat 1,015 0 1,015
100.0%
ETH1. SemesterEProg 205 0 205
100.0%
ETH1. SemesterLinAlg 465 0 465
100.0%
ETH2. SemesterA&W 740 0 740
100.0%
ETH2. SemesterAnalysis 660 0 660
100.0%
ETH2. SemesterPProg 918 0 918
100.0%
Memory Model
491.7d
Avg Stability
2.45 / 10
Avg Difficulty
88.2%
Avg Retrievability
24.4%
At Risk (1,160 cards)
169.3d
Median Stability
505d
Memory Half-Life
Stability Distribution
Difficulty Distribution
Retrievability Snapshot — Right Now
Memory by Deck
Deck Cards Avg Stability Avg Difficulty Avg Retrievability
ETH::1. Semester::LinAlg 449 1130.5d 1.0 94.3%
ETH::1. Semester::A&D 498 1077.5d 1.0 90.6%
ETH::1. Semester::DiskMat 965 1059.6d 1.0 91.4%
ETH::1. Semester::EProg 205 498.9d 1.0 88.6%
ETH::2. Semester::Analysis 658 91.9d 3.15 68.3%
ETH::2. Semester::PProg 913 84.2d 2.6 0%
ETH::2. Semester::A&W 725 34.4d 5.46 0%
ETH::2. Semester::DDCA 342 19.3d 3.32 0%
FSRS Model — Initial Stability by Deck
Review Insights
Review Time vs Answer Button
Speed by Deck
Deck Reviews Median Avg <3s 3–10s 10–20s 20–30s 30s+ Trend
ETH2. SemesterA&W 4,839 4.5s 11.2s 40.5% 28.0% 15.2% 5.5% 10.8%
ETH2. SemesterAnalysis 3,880 3.5s 9.7s 45.7% 28.4% 11.8% 5.1% 8.9%
ETH2. SemesterPProg 3,711 2.9s 9.6s 50.7% 27.8% 8.5% 3.3% 9.8%
ETH1. SemesterDiskMat 3,333 6.5s 12.7s 26.1% 37.6% 17.0% 7.4% 11.9%
ETH1. SemesterA&D 2,058 5.4s 11.1s 31.8% 36.2% 16.7% 5.7% 9.5%
ETH1. SemesterLinAlg 1,767 8.4s 15.1s 20.5% 35.5% 19.6% 8.9% 15.4%
ETH2. SemesterDDCA 810 5.4s 11.5s 37.3% 30.4% 14.2% 5.9% 12.2%
ETH1. SemesterEProg 583 5.0s 11.0s 37.0% 35.5% 12.7% 4.8% 9.9%
Sessions
216
Sessions
27.5m
Avg Session
Session Length Distribution
Intra-Session Fatigue Curve
Fun Stats
Night Owl
13,858 reviews 11pm-5am
10.9%
Human — 1,386 lapses across all reviews
Speed Demon
4.7s median — 38.2% under 3s, 10.7% over 30s
3
Mostly Chill — sessions ending in 3+ consecutive fails
0
Cards Buried — 0 by you, 0 by scheduler
91.2m
Absolute Unit — 251 cards on 2026-01-23
2:00
Peak Study Hour
66.1%
Reviews After Midnight
0.3
Lapses / Mature Card
38.2%
Sub-3s Reviews
18.0m
Avg Session (5m gap)
4
Worst Again Streak
0
User Buried Now
0
Sched Buried Now
Review Speed Distribution
Marathon Session Types
Fastest Cards
Front Avg Time Ease Interval Reviews
What are the four necessary conditions for deadlock (Coffman conditions)?{{c1::Mutual 1.1s 250% 121d 4
Analyse Teil 1: Schranke für \(\tilde n_v \leq n_v/20\)Definiere \(Y_{i,v} = 1\) falls \( 1.1s 250% 32d 4
TM is heavily inspired by database transactions. The ACID properties are: {{c1:: 1.2s 250% 120d 4
A WAITING thread transitions back to {{c1::RUNNABLE}} when {{c2::notify() or notifyAll()}} is called 1.2s 250% 119d 4
Five granularity levels for synchronisation, from coarse to fine: {{c1::coarse-grained l 1.2s 250% 118d 4
A RUNNABLE thread transitions to {{c1::BLOCKED}} when {{c2::it tries to acquire a lock held by anoth 1.2s 250% 121d 4
An interval \((a_0, a_1)\) is a pair of events with \(a_0 \to a_1\). For two intervals \( 1.3s 250% 101d 4
Lösungstechniken für DifferentialgleichungenDGl erster Ordnung:{{c1::Trenn 1.3s 250% 49d 4
A function \(f: A \rightarrow B\) has a {{c1::right inverse}} if and only if \(f\) is {{c2::surje 1.3s 250% 656d 4
Eine DGl der Form \(y' = g\!\left(\dfrac{y}{x}\right)\) heisst {{c1::homogen in den Variab 1.3s 250% 53d 4
A BLOCKED thread transitions back to {{c1::RUNNABLE}} when {{c2::the lock it was waiting for is rele 1.3s 250% 112d 4
Der Graph einer Funktion heisst {{c2::linksgekrümmt (Konvex)}} falls der Graph {{c1::ein 1.4s 250% 200d 5
In a group, the {{c1::right cancellation}} law states: \(a = b\) {{c2::\(\Leftrightarrow\)}} {{c3 1.4s 250% 1710d 5
Ein {{c1::Laplace-Raum}} ist ein endlicher Wahrscheinlichkeitsraum, in dem {{c2::alle Elementarereig 1.4s 250% 97d 5
Sei \(f : [-1, 1] \rightarrow \mathbb{R}\) eine glatte Funktion mit \(f(1/2) = 2\), \(f'(1/2) = 0\), 1.4s 250% 59d 4
Hardest Cards
Front Lapses Ease Interval Reviews
{{c3::image-occlusion:rect:left=.1591:top=.8923:width=.7185:height=.0742}}{{c2::image-occlusion: 7 130% 28d 33
Sei \(X\) eine Zufallsvariable mit Wertebereich \(W_X\subseteq\mathbb{N}_0\).Dann 7 130% 43d 32
Wie lautet die Bernoulli Ungleichung? 7 130% 6d 33
Youngsche UngleichungFür jedes \(x, y \in \mathbb{R}\), \(\epsilon > 0\) gilt:&nbs 7 130% 35d 31
Reduktion Hamiltonkreis \(\to\) Long-PathFalls Long-Path für Graphen mit \(n\) Knoten in 6 130% 5d 23
Sei \(G = (V, E)\), \(n := |V|\). Wird \(e\) gleichverteilt zufällig aus \(E\) gezogen, so gilt\ 6 130% 8d 26
Seien \(\delta, \varepsilon > 0\). Falls \({{c1::N \geq 3\,\frac{|U|}{|S|} \cdot \frac{1}{\vareps 6 130% 30d 28
State of the Art Matching:\( O({{c1::|E|^{1+o(1)} }}) \) für bipartite Graphen  6 130% 67d 28
Dieser Graph hat eine {{c1::Un 6 130% 4d 29
Die Riemansche-Zeta Funktion Reihe \(\displaystyle\zeta(s) = {{c1:: \sum_{n=1}^\infty \frac{1}{n^s} 6 130% 8d 30
Explain how union works in the optimised Union-Find: 5 150% 685d 19
State Lemma 5.18 about the units of a ring and the property their set satisfies? (Proof i 5 150% 1569d 23
Für alle \( k \) gilt: jeder \( k \)-reguläre bipartite Graph enthält {{c1::ein perfektes Mat 5 150% 62d 26
Im Beweis von \(\mathbb{E}[T_{1,n}] \leq 2(n+1) \ln n + O(n)\) für QuickSort beobachtet man, dass \( 5 150% 16d 22
Heuristik:\(v_n\) := Knote 5 150% 72d 27