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- #!/bin/bash
- interpol2(){
- X1=$1
- Y1=$2
- X2=$3
- Y2=$4
- X3=$5
- Y3=$6
- a=$(echo "((($Y3)-($Y1))/((($X3)-($X1))*(($X3)-($X2))))-((($Y2)-($Y1))/((($X2)-($X1))*(($X3)-($X2))))"|bc -l)
- b=$(echo "(((($Y2)-($Y1))/(($X2)-($X1))))-(($a)*(($X2)+($X1)))"|bc -l)
- c=$(echo "($Y1)-($a)*(($X1)*($X1))-($b)*($X1)"|bc -l)
- echo $a"X²+"$b"X+"$c
- }
- interpol2 $1 $2 $3 $4 $5 $6
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