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DTW method realization #517

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EjenY-Poltavchiny wants to merge 19 commits from mrFendel/ejeny_branch_ into dev
pull from: mrFendel/ejeny_branch_
merge into: kscience:dev
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kmath-stat/src/commonMain/kotlin/space/kscience/kmath/series/DynamicTimeWarping.kt
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@ -61,7 +61,7 @@ public fun DoubleFieldOpsND.dynamicTimeWarping(series1 : DoubleBuffer, series2 :
val costMatrix = structureND(ShapeND(series1.size, series2.size)) {
(row, col) -> abs(series1[row] - series2[col])
}
// Formula: costMatrix[i, j] = euqlidNorm(series1(i), series2(j)) +
// Formula: costMatrix[i, j] = euqlideanNorm(series1(i), series2(j)) +
// min(costMatrix[i - 1, j], costMatrix[i, j - 1], costMatrix[i - 1, j - 1]).
for ( (row, col) in costMatrix.indices) {
costMatrix[row, col] += when {