mirror of
https://github.com/danbulant/notes
synced 2026-05-19 04:18:49 +00:00
vault backup: 2024-10-17 12:24:19
This commit is contained in:
parent
472f8662a2
commit
fd3a5b9ea6
10 changed files with 406 additions and 72 deletions
1
notes/.obsidian/community-plugins.json
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1
notes/.obsidian/community-plugins.json
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@ -30,7 +30,6 @@
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"tag-wrangler",
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50
notes/.obsidian/core-plugins.json
vendored
50
notes/.obsidian/core-plugins.json
vendored
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@ -1,19 +1,31 @@
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[
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"note-composer",
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{
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@ -12,8 +12,8 @@
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@ -1631,6 +1631,22 @@
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@ -38,7 +38,7 @@
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@ -1 +1 @@
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{"^{n+1}$":{"^{n+1}$":{"currentFile":{"count":1,"lastUpdated":1727163394804}}},"peníze":{"peníze":{"currentFile":{"count":1,"lastUpdated":1727169498404}}},"zboží":{"zboží":{"currentFile":{"count":1,"lastUpdated":1727169511752}}},"18-\\frac35$":{"18-\\frac35$":{"currentFile":{"count":1,"lastUpdated":1727350259680}}},"2-2+4$":{"2-2+4$":{"currentFile":{"count":1,"lastUpdated":1727351726507}}},"dřevo":{"dřevo":{"currentFile":{"count":1,"lastUpdated":1727773994843}}}}
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{"^{n+1}$":{"^{n+1}$":{"currentFile":{"count":1,"lastUpdated":1727163394804}}},"peníze":{"peníze":{"currentFile":{"count":1,"lastUpdated":1727169498404}}},"zboží":{"zboží":{"currentFile":{"count":1,"lastUpdated":1727169511752}}},"18-\\frac35$":{"18-\\frac35$":{"currentFile":{"count":1,"lastUpdated":1727350259680}}},"2-2+4$":{"2-2+4$":{"currentFile":{"count":1,"lastUpdated":1727351726507}}},"dřevo":{"dřevo":{"currentFile":{"count":1,"lastUpdated":1727773994843}}},"Posloupnost 2024-09-26 13.01.57.excalidraw":{"Posloupnost 2024-09-26 13.01.57.excalidraw":{"internalLink":{"count":1,"lastUpdated":1728368897344}}},"1-\\frac1{n+1}$":{"1-\\frac1{n+1}$":{"currentFile":{"count":1,"lastUpdated":1728371161330}}},"k+1\\ne0$":{"k+1\\ne0$":{"currentFile":{"count":1,"lastUpdated":1728371278231}}},"1-\\frac1{k+2}$":{"1-\\frac1{k+2}$":{"currentFile":{"count":1,"lastUpdated":1728371505231}}},"-\\frac{2}3$":{"-\\frac{2}3$":{"currentFile":{"count":1,"lastUpdated":1728974066904}}},"-1.5$":{"-1.5$":{"currentFile":{"count":3,"lastUpdated":1729167322598}}},"\\frac{1.5}{q+1}$":{"\\frac{1.5}{q+1}$":{"currentFile":{"count":1,"lastUpdated":1729167158387}}}}
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notes/.obsidian/workspace.json
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notes/.obsidian/workspace.json
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@ -4,35 +4,24 @@
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"type": "split",
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{
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"type": "file-explorer",
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{
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@ -67,7 +58,9 @@
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{
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@ -75,7 +68,9 @@
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"title": "Bookmarks"
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}
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]
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@ -98,7 +93,7 @@
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"state": {
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"type": "backlink",
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"file": "eko/Hospodarsky proces.md",
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"file": "mat/Posloupnost.md",
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"sortOrder": "alphabetical",
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@ -106,7 +101,9 @@
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"searchQuery": "",
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"backlinkCollapsed": false,
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"title": "Backlinks for Posloupnost"
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{
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@ -115,10 +112,12 @@
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"state": {
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"state": {
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"file": "eko/Hospodarsky proces.md",
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"file": "mat/Posloupnost.md",
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"icon": "links-going-out",
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"title": "Outgoing links from Posloupnost"
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{
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"state": {
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{
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@ -137,7 +138,9 @@
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"type": "leaf",
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{
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@ -145,7 +148,9 @@
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"type": "leaf",
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"icon": "ag-node-list",
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"title": "Juggl nodes"
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{
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@ -153,7 +158,9 @@
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"type": "leaf",
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"state": {
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"type": "juggl_style",
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"state": {}
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"state": {},
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"icon": "ag-style",
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"title": "Juggl style"
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}
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},
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{
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@ -162,8 +169,10 @@
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"state": {
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"type": "outline",
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"state": {
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"file": "eko/Hospodarsky proces.md"
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}
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"file": "mat/Posloupnost.md"
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},
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"icon": "lucide-list",
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"title": "Outline of Posloupnost"
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{
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@ -171,7 +180,9 @@
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"type": "leaf",
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"icon": "lucide-file",
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{
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@ -179,7 +190,9 @@
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"type": "leaf",
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"icon": "lucide-file",
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"title": "Plugin no longer active"
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{
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@ -187,7 +200,9 @@
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"type": "leaf",
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"icon": "GA-ICON",
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"title": "Graph Analysis"
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{
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@ -195,7 +210,9 @@
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"type": "leaf",
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"icon": "GA-ICON",
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"title": "Graph Analysis"
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{
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@ -207,7 +224,9 @@
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"sortOrder": "frequency",
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"searchQuery": ""
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"icon": "lucide-archive",
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"title": "All properties"
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{
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@ -215,7 +234,9 @@
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"type": "leaf",
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"state": {}
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"state": {},
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"icon": "checkmark",
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"title": "Todo List"
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||||
},
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{
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@ -223,11 +244,13 @@
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"type": "leaf",
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"direction": "horizontal",
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@ -247,18 +270,21 @@
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"juggl:Juggl global graph": false,
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"obsidian-spaced-repetition:Review flashcards": false,
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"omnisearch:Omnisearch": false,
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"obsidian-advanced-slides:Show Slide Preview": false,
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"breadcrumbs:Breadcrumbs Visualisation": false
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"lastOpenFiles": [
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"eko/Marek.md",
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"eko/Hospodarsky proces.md",
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"eko/Majetek.md",
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"eko/Úvodní hodina.md",
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"eko/Podnikání.md",
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"mat/mat.md",
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"mat/Posloupnost.md",
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"cjl/ceska poezie mezivalecna.md",
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"eko/eko.md",
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"eko/Výrobní faktory.md",
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"eko/Marek.md",
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"data/Posloupnost 2024-09-26 13.01.57.excalidraw.md",
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"cjl/Básně.md",
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"conflict-files-obsidian-git.md",
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@ -271,14 +297,10 @@
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"mat/Geometrie/Analytická/kružnice a přímka.md",
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"mat/Geometrie/Analytická/Parabola.md",
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"mat/Funkce/Exponenciální funkce.md",
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"eko/eko.md",
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"mat/Geometrie/Analytická/Vektor.md",
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"mat/Geometrie/Analytická/Kuželosečky.md",
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"eko/Pracovní proces.md",
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"fyz/elektrika/fotoveci.md",
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"export/export.md",
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"vyp/Cenová politika a swot analýza.md",
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"export/Buffer Overflow/Buffer Overflow.md",
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"data/Příklady 2024-03-15 11.06.56.excalidraw.svg",
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"data/Parabola 2024-03-22 11.31.41.excalidraw.svg",
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"data/Parabola 2024-03-21 11.58.33.excalidraw.svg",
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31
notes/cjl/ceska poezie mezivalecna.md
Normal file
31
notes/cjl/ceska poezie mezivalecna.md
Normal file
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# ceska poezie mezivalecna
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||||
| Proletářská poezie | Poetismus | Surrealismus | Poezi času a ticha |
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||||
| ---------------------- | ---------- | --------------------- | ------------------ |
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| revoluce | hravost | asociace | atribut smrti |
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| kolektivismus | exotika | sigmund freud | meditavismus |
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| marxistická teorie | cirkus | nadrealita | reflexe |
|
||||
| revoluce v Rusku 1917 | zábava | hlubiná psychoanalýza | atribut času |
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||||
| těžká sociální situace | civilizace | automatický text | atribut ticha |
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||||
| sociální balada | | podvědomí | |
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||||
| | | fantazie | |
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||||
| | | | |
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||||
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||||
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||||
---
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||||
Díla - hádání slov
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||||
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sépie
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abeceda
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rudé zpěvy
|
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balada o nenarozeném dítěti
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||||
s lodí jež dováží čaj a kávu - poetismus
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torso naděje
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host do domu
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svatý kopeček
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báseň o poštovní schránce
|
||||
slavík zpívá špatně
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panoptikum
|
||||
podivuhodný kouzelník
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||||
město v slzách
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zlatými řetězi
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||||
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@ -8,6 +8,7 @@ imagePrefix: 'data/'
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```
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||||
%% Zoottelkeeper: Beginning of the autogenerated index file list %%
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- [[cjl/Básně|Básně]]
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||||
- [[cjl/ceska poezie mezivalecna|ceska poezie mezivalecna]]
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||||
- [[cjl/hodiny|hodiny]]
|
||||
- [[cjl/impresionismus atd|impresionismus atd]]
|
||||
- [[cjl/jazyky/jazyky|jazyky]]
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||||
|
|
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|
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@ -5,7 +5,7 @@ zisk = příjmy - výdaje
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|||
Ze zisku jsou daně
|
||||
|
||||
Výdaje jsou mzdy, energie atd
|
||||
Patří do nich ale i část dlouhodobého hmotného investičního majetku
|
||||
Patří do nich ale i část dlouhodobého hmotného investičního majetku - odpisy
|
||||
|
||||
## Kolobeh
|
||||
|
||||
|
|
@ -54,3 +54,37 @@ distribuce
|
|||
### Smeny
|
||||
|
||||
### Spotreba
|
||||
|
||||
---
|
||||
|
||||
## Evidence pod. maj.
|
||||
|
||||
- z.o účetnictví
|
||||
- z. daňové/příjem
|
||||
- skladní karty (průběžný zápis počtu položek na skladě; pro oběžný majetek)
|
||||
- inventární karta (dlouhodobý majetek, individualizovaný), i zvířata (husy, prasata etc)
|
||||
- inventarizace
|
||||
- inventura
|
||||
- vyřešení zjišť. rozdílů
|
||||
- škoda na pod. maj.
|
||||
- úmyslný čin
|
||||
- vyšší moc (počasí etc)
|
||||
- omyl, nedbalost, neopatrnost
|
||||
|
||||
|
||||
----
|
||||
|
||||
|
||||
|
||||
Ukazatele v pěněžním toku; účet; účtujeme
|
||||
Používají se v jednoduchém účetnictví, zejména pro OSVČ
|
||||
Příjmy = Zvýšení počtu peněz (na účtu, v pokladně etc)
|
||||
Výdaje = Snížení počtu peněz
|
||||
|
||||
Podrobnější, analytičnější pohled
|
||||
Používají se v podvojném účetnictví
|
||||
Skutečné vynaložení prostředků
|
||||
Výnosy = Prodej výrobku, ale ještě nezaplatil
|
||||
Náklady = Spotřeba prostředků, může dojít dříve než je zaplacený (a tudíž než je platba ve výdajích)
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -94,6 +94,118 @@ $7=26+2a_8$
|
|||
$2a_8=7-26=-19$
|
||||
$a_8=-9.5$
|
||||
|
||||
---
|
||||
|
||||
## Důkaz mat. indukcí
|
||||
|
||||
Dokážeme, že hypotéza platí pro $n = 1$, a poté že platí pro $n=k+1$ pokud platí pro $n=k$. Poté platí pro celou posloupnost.
|
||||
|
||||
Příklady:
|
||||
|
||||
Dokažte větu:
|
||||
$\forall n\in\mathbb{N}$ je součet prvních $n$ členů posloupnosti $\{n^2\}^\infty_1$ roven $\frac{n(n+1)(2n+1)}6$
|
||||
|
||||
$n=1 \Rightarrow \frac{1(1+1)(2*1+1)}6=\frac{1*2*3}6=1$
|
||||
|
||||
Předpokládáme, že platí: $n=k$
|
||||
|
||||
$n=k$
|
||||
$1^2+2^2+…+k^2$
|
||||
$\frac{k(k+1)(2k+1)}6$
|
||||
|
||||
$n=k+1$
|
||||
$\frac{(k+1)((k+1)+1)(2(k+1)+1)}6$
|
||||
$1^2+2^2+…+k^2+(k+1)^2$
|
||||
$\frac{(k+1)(k+2)(2k+3)}6$
|
||||
$\frac{2k^3+3k^2+6k+2k^2+3k+4k+6}6$
|
||||
|
||||
$\frac{k(k+1)(2k+1)}6+(k+1)^2=\frac{(k+1)(k+2)(2k+3)}6$
|
||||
|
||||
$k(k+1)(2k+1)+6(k+1)^2=(k+1)(k+2)(2k+3)/k+1\ne0$
|
||||
|
||||
$k(2k+1)+6(k+1)=(k+2)(2k+3)$
|
||||
|
||||
$2k^2+k+6k+6=2k^2+3k+4k+6$
|
||||
$2k^2+7k+6=2k^2+7k+6$
|
||||
|
||||
Ekvivalence, tudíž platí věta pro celou posloupnost
|
||||
|
||||
---
|
||||
|
||||
$6|(3n^2+6n+12)(n+1)n$
|
||||
|
||||
Dělitelnost 3 → všude 3 v tom jednom tvaru
|
||||
Dělitelnost 2 → $(n+1)n$ protože v řadě se střídá sudé liché číslo
|
||||
|
||||
$6|(n^3+11n)$
|
||||
|
||||
$n=1$
|
||||
$6|(1^3+11)$
|
||||
$6|12$ platí
|
||||
|
||||
$n=k$
|
||||
$6|(k^3+11k)$ pokud platí
|
||||
|
||||
$n=k+1$
|
||||
$6|(k+1)^3+11(k+1)$
|
||||
|
||||
$k^3+3k^2+3k+1+11k+11$
|
||||
$(k^3+11k)+(3k^2+3k+12)$
|
||||
|
||||
$6|k^3+11k$ platí (předpoklad)
|
||||
|
||||
$6|3k^2+3k+12$
|
||||
$2|k^2+k$
|
||||
|
||||
$2|k(k+1)$
|
||||
|
||||
12 je dělitelné 6, proto se odebrala
|
||||
3+3+12 je dělitelné 3
|
||||
$k(k+1)$ jsou vynásobené sudé a liché čísla (dvě po sobě jdoucí budou liché a sudé nebo naopak), budou dělitelné 2
|
||||
|
||||
Dokažte
|
||||
$\forall n\in\mathbb{N}$
|
||||
$\sum\frac1{n(n+1)}=1-\frac1{n+1}$
|
||||
|
||||
$n=1$
|
||||
|
||||
$\frac1{1(1+1)}=1-\frac1{1+1}$
|
||||
$\frac12=1-\frac12$
|
||||
|
||||
platí dáno
|
||||
|
||||
$n=k$
|
||||
$\frac{1}{k(k+1)}=1-\frac1{k+1}$
|
||||
|
||||
$n=k+1$
|
||||
|
||||
$\frac1{(k+1)(k+2)}=1-\frac1{k+2}$
|
||||
|
||||
$\frac1{k^2+3k+2}=1-\frac1{k+2}$
|
||||
|
||||
$1=(k^2+3k+2)-\frac{k^2+3k+2}{k+2}$
|
||||
|
||||
$1=(k^2+3k+2)-\frac{(k+1)(k+2)}{k+2}$
|
||||
$1=(k^2+3k+2)-(k+1)$
|
||||
$1=k^2+3k+2-k-1$
|
||||
$1=k^2+2k+1$
|
||||
$k^2=-2k$
|
||||
|
||||
|
||||
$\forall n\in\mathbb{N}:n<2^n$
|
||||
|
||||
$n=1$
|
||||
$1<2$
|
||||
|
||||
$n=k$
|
||||
$k<2^k$
|
||||
platí (dáno)
|
||||
|
||||
$n=k+1$
|
||||
$k+1<2^{k+1}$
|
||||
|
||||
|
||||
|
||||
---
|
||||
|
||||
Dokaž že posloupnost je nebo není monotónní; jak?
|
||||
|
|
@ -267,3 +379,110 @@ $2^{n+1}-2^n=2*2^n-2^n=2^n>0$
|
|||
#### Omezenost
|
||||
- omezená shora i zdola
|
||||
|
||||
|
||||
---
|
||||
|
||||
## Aritmetická posloupnost
|
||||
|
||||
$3;1;-1;-3;-5;$ … diference $d=-2$
|
||||
$-1;-\frac12;0;\frac12;1;\frac32$ … $d=\frac12$
|
||||
$2;-4;8;-16$ … neni AP
|
||||
|
||||
$AP\Leftrightarrow \exists d\in\mathbb{R};\forall n\in\mathbb{N}:a_{n+1}=a_n+d$
|
||||
|
||||
|
||||
Jsou monotónní
|
||||
$d>0$ roste
|
||||
$d<0$ klesá
|
||||
$d=0$ konst
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
$a_n=2n-4$ => $d=2$
|
||||
$a_n=n^2$ neni
|
||||
$a_n=3^{n+1}=3*3^n$ neni
|
||||
|
||||
|
||||
|
||||
---
|
||||
|
||||
součet všech sudých trojciferných přirozených čísel
|
||||
$100+102+…..+998$
|
||||
|
||||
$AP: a_1=100;a_n=998;d=2$
|
||||
|
||||
$S_n=\frac{n}2(a_1+a_n)$
|
||||
$n=?;n=449$
|
||||
$a_n=a_1+(n-1)d$
|
||||
$998=100+(n-1)d$
|
||||
$n=450$
|
||||
|
||||
|
||||
---
|
||||
|
||||
$a_1=-10;d=4.5$
|
||||
$71=-10+(n-1)4.5$
|
||||
$81=(n-1)4.5$
|
||||
$51=4.5n-4.5$
|
||||
$55.5=4.5n$
|
||||
$45+10.5=4.5n$
|
||||
neni - $10.5/4.5\not\in\mathbb{Z_0}$ $n$ by nebylo celé a tudíž by nebylo na posloupnosti
|
||||
|
||||
$100=-10+(n-1)4.5$
|
||||
$110=4.5n-4.5$
|
||||
$105.5=4.5n$
|
||||
$90+15.5=4.5n$
|
||||
znova to stejné, není
|
||||
|
||||
---
|
||||
|
||||
## Geometrická posloupnost
|
||||
|
||||
$$GP\Leftrightarrow \exists a \in\mathbb{R};\forall n \in \mathbb{N}: a_{n+1}=a_n*q$$
|
||||
$q\ne0;a_1\ne0$
|
||||
|
||||
$a_n=a_1*q^{n-1}$
|
||||
$a_r=a_sq^{r-s}$
|
||||
$s_n=a_1\frac{q^n-1}{q-1};q\ne1$
|
||||
$s_n=na_1;q=1$
|
||||
$$\sum_{n=1}^{1}a_nq=s_n$$
|
||||
|
||||
---
|
||||
|
||||
$GP:a_1=6;a_2=24$
|
||||
$q=\frac{24}6=4$
|
||||
$a_5=6*q^3=6*4^4=6*256=1536$
|
||||
$a_8=6*q^7=98304$
|
||||
|
||||
$GP$
|
||||
$a_1-a_3=-1.5$
|
||||
$a_2+a_1=1.5$
|
||||
$a_1=1.5-a_2$
|
||||
$a_2+1.5-a_3=-1.5$
|
||||
$a_2-a_3=3$
|
||||
|
||||
$a_2=a_1q$
|
||||
|
||||
$a_1-a_1q^2=-1.5$
|
||||
$a_1q+a_1=1.5$
|
||||
|
||||
$a_1(q+1)=1.5/:(q+1)\ne0$
|
||||
$a_1=\frac{1.5}{q+1}$
|
||||
$\frac{1.5}{q+1}(1-q^2)=-1.5$
|
||||
|
||||
|
||||
$a_1-a_1q^2=-1.5$
|
||||
$a_1q+a_1=1.5$
|
||||
$a_1(q+1)=1.5\rightarrow a_1=\frac{1.5}{q+1}$
|
||||
|
||||
$\frac{1.5}{q+1}-\frac{1.5}{q+1}q^2=-1.5$
|
||||
$1.5-1.5q^2=-1.5(q+1)$
|
||||
$1-q^2=-q-1$
|
||||
$(1-q)(1+q)=-(q+1)$
|
||||
$1-q=-1$
|
||||
$q=2$
|
||||
|
||||
$a_1=\frac{1.5}{a+q}=\frac{1.5}{2+1}=\frac12$
|
||||
$s_5=\frac12*\frac{2^5-1}{2-1}=\frac{31}2$
|
||||
|
|
|
|||
Loading…
Reference in a new issue