45 lines
1.0 KiB
Java
45 lines
1.0 KiB
Java
import java.util.Vector;
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import java.lang.Integer;
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//import java.lang.Float;
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//import java.lang.Byte;
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//import java.lang.Boolean;
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public class Matrix extends Vector<Vector<Integer>> {
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Matrix () {
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}
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Matrix(vv) {
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Integer i;
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i = 0;
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while(i < vv.size()) {
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// Boolean a = this.add(vv.elementAt(i));
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this.add(vv.elementAt(i));
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i=i+1;
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}
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}
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mul(m) {
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var ret = new Matrix();
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var i = 0;
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while(i < size()) {
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var v1 = this.elementAt(i);
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var v2 = new Vector<Integer>();
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var j = 0;
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while(j < v1.size()) {
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var erg = 0;
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var k = 0;
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while(k < v1.size()) {
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erg = erg + v1.elementAt(k)
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* m.elementAt(k).elementAt(j);
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k++; }
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// v2.addElement(new Integer(erg));
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v2.addElement(erg);
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j++; }
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ret.addElement(v2);
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i++;
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}
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return ret;
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}
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}
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