Fr 26. Sep 10:59:59 CEST 2025/wahrscheinlichkeit20250913.sh

#!/bin/bash

# (C) David Vajda
# 2025-09-13
# wahrscheinlichkeitsrechnungsuebung

i=0
while [ $i -lt 128 ]
do
    s=$(echo "obase=2; ibase=10; $(($RANDOM%16))" | bc)
    echo "scale=5; $s" | bc
    i=$(($i+1))
done

langrageinterpolationintegrationsuebung20250904.sh

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QUINE20250915.chp
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colors20250924.txt
EECA_JIS_codes20250924.txt
matrix20250924.tex
periodensystem20250924.2.txt
periodensystem20250924.sh
periodensystem20250924.txt
ttl20250924.txt

periodensystem20250925.txt

tmp00120250926.txt
tmp00220250926.txt
tmp20250926.txt

#!/bin/bash

# (C) David Vajda
# TTL - Excersize
# 2025-08-03

EASIEST=3
date=$(date)

fname="TTL_excersize_$date.out.txt"

TTLNamesEasiest=("7400" "7402" "7404" "7440" "54xx" "74xx" "84xx" "7408" "7409" "7411" "7421" "7432" "7474" "74171" "7483" "7485" "7486" "74136" "74181")
TTLNamesEasiestHum=("4x NAND" "NOR" "6x Inverter"  "NAND" "mil" "commercial" "industrial" "4x AND" "4x AND" "3x AND" "2x AND" "4x OR" "2x D-FF" "4x D-FF" "4 Bit FA" "4 Bit comperator" "4x XOR" "4x XOR" "4 Bit ALU")
level=$EASIEST

# i=0
# while [ $i -lt "${#TTLNamesEasiest[@]}" ]
# do
#    echo "${TTLNamesEasiest[$i]}, ${TTLNamesEasiestHum[$i]}"
#    i=$(($i+1))
# done

# exit

headstr1="# (C) David Vajda"
headstr2="# TTL - Excersize - extended version"
headstr3="# 2025-08-03"
headstr4="$date"

i=0
s=""
while [ $i -lt 128 ]
do
    r=$(($RANDOM%${#TTLNamesEasiest[@]}))
    s="$s ${TTLNamesEasiest[$r]}"
    t="$t ${TTLNamesEasiest[$r]}"
    t="$t ${TTLNamesEasiestHum[$r]}"
    i=$(($i+1))
done

echo "$headstr1"
echo "$headstr2"
echo "$headstr3"
echo "$date"
echo ""
echo "$s"

echo "$headstr1" >> "$fname"
echo "$headstr2" >> "$fname"
echo "$headstr3" >> "$fname"
echo "$date" >> "$fname"
echo "" >> "$fname"
echo "$s" >> "$fname"
echo "" >> "$fname"
echo "solution:" >> "$fname"
echo "" >> "$fname"
echo "$t" >> "$fname"

#!/bin/bash

# (C) David Vajda
# 2025-09-13
# wahrscheinlichkeitsrechnungsuebung

T=(A B C D)
i=0
while [ $i -lt 4 ]
do
    echo -n "${T[$i]}"
    i=$(($i+1))
done
i=0
while [ $i -lt 128 ]
do
    echo -n $(($RANDOM%2))
    if [ $(($i % 4)) -eq 0 ]
    then
        echo ""
    fi
    i=$(($i+1))
done

E=(A B C D)
echo "man sage ueber die ziffern, welche in welches Ereignis passt"
i=0
j=0
while [ $i -lt $((5*4)) ]
do
    echo -n
    if [ $(($i % 4)) -eq 0 ]
    then
        echo ""
        echo -n "Ereignis ${E[$j]} = {"
        j=$(($j+1))
    fi
    if [ $(($RANDOM%2)) -eq 0 ]
    then
        echo -n "${T[$(($i%4))]}"
    fi
    i=$(($i+1))
done
echo ""