Let matrix count from one and added the 4th.

demo4d-numberxd/src/main/love/distributedrebirth/numberxd/AbstractBaseGetậlMatrix4.java

@@ -0,0 +1,20 @@
+package love.distributedrebirth.numberxd;
+
+import love.distributedrebirth.bassboonyd.BãßBȍőnAuthorInfoʸᴰ;
+import love.distributedrebirth.numberxd.base2t.BaseNumber;
+
+@BãßBȍőnAuthorInfoʸᴰ(name = "willemtsade", copyright = "©Δ∞ 仙上主天")
+abstract public class AbstractBaseGetậlMatrix4<T extends BaseGetậl<T,V>,V extends BaseNumber<V>> extends AbstractBaseGetậlMatrix3<T,V> implements BaseGetậlMatrix4<T,V> {
+	
+	protected int matrix4;
+	
+	@Override
+	public void setMatrix4(int matrix4) {
+		this.matrix4 = matrix4;
+	}
+	
+	@Override
+	public int getMatrix4() {
+		return matrix4;
+	}
+}