// A = [[1,2,3],[4,5,6],[7,8,9]]
// b = [[1],[2],[3]]
// m = Zeilen
// n = Spalten
// (m,x) * (x,n) = (m,n)
function mrxLen(A,B) {
for(var m in A) {
if(A[m].length != B.length)
return;
}
return A.length;
}
function vMkr(len,nB) {
let v = [];
for(var i = 0; i < len; i++) {
v.push([]);
for(var j = 0; j < nB; j++)
v[i].push(0);
}
return v;
}
function nLen(M) {
for(var m in M) {
if(M[m].length != M[0].length)
return;
}
return M[m].length;
};
function mvp(A,B) {
let mmax = mrxLen(A,B);
let nA = nLen(A);
let nB = nLen(B);
console.log("Zeilen v: " + mmax + ", Spalten v: " + nB);
let v = vMkr(mmax,nB);
console.log(v);
for(var m in v) {
for(var n in v[m]) {
for(var i in A[m]) {
console.log("Zeile v: " + m + ", Spalte v: " + n);
console.log("Zeile A: " + m + ", Spalte A: " + i + ", Wert A: " + A[m][i] + ", Wert B: " + B[i][m]);
v[m][n] = v[m][n] + A[m][i] * B[i][n];
}
}
}
return v;
}
mvp([[2,-1],[3,-2],[-1,2]],[[1,-2,-3],[-3,3,-2]]);
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