function?Kelvin（dxdydz）
sq=sqrt（2）
face01=[0?sq?-2*sq;sq?0?-2*sq;0?-sq?-2*sq;-sq?0?-2*sq]
face02=[0?sq?2*sq;sq?0?2*sq;0?-sq?2*sq;-sq?0?2*sq];
face03=[0?2*sq?-sq;sq?2*sq?0;0?2*sq?sq;-sq?2*sq?0];
face04=[0?-2*sq?-sq;-sq?-2*sq?0;0?-2*sq?sq;sq?-2*sq?0];
face05=[2*sq?0?-sq;2*sq?-sq?0;2*sq?0?sq;2*sq?sq?0];
face06=[-2*sq?0?-sq;-2*sq?sq?0;-2*sq?0?sq;-2*sq?-sq?0];
face07=[0?sq?-2*sq;sq?0?-2*sq;2*sq?0?-sq;2*sq?sq?0;sq?2*sq?0;0?2*sq?-sq];
face08=[0?sq?2*sq;sq?0?2*sq;2*sq?0?sq;2*sq?sq?0;sq?2*sq?0;0?2*sq?sq];
face09=[sq?0?-2*sq;0?-sq?-2*sq;0?-2*sq?-sq;sq?-2*sq?0;2*sq?-sq?0;2*sq?0?-sq];
face10=[sq?0?2*sq;0?-sq?2*sq;0?-2*sq?sq;sq?-2*sq?0;2*sq?-sq?0;2*sq?0?sq];
face11=[0?-sq?-2*sq;-sq?0?-2*sq;-2*sq?0?-sq;-2*sq?-sq?0;-sq?-2*sq?0;0?-2*sq?-sq];
face12=[0?-sq?2*sq;-sq?0?2*sq;-2*sq?0?sq;-2*sq?-sq?0;-sq?-2*sq?0;0?-2*sq?sq];
face13=[-sq?0?-2*sq;0?sq?-2*sq;0?2*sq?-sq;-sq?2*sq?0;-2*sq?sq?0;-2*sq?0?-sq];
face14=[-sq?0?2*sq;0?sq?2*sq;0?2*sq?sq;-sq?2*sq?0;-2*sq?sq?0;-2*sq?0?sq];
face01（:1）=face01（:1）+dx;face01（:2）=face01（:2）+dy;face01（:3）=face01（:3）+dz;
face02（:1）=face02（:1）+dx;face02（:2）=face02（:2）+dy;face02（:3）=face02（:3）+dz;
face03（:1）=face03（:1）+dx;face03（:2）=face03（:2）+dy;face03（:3）=face03（:3）+dz;
face04（:1）=face04（:1）+dx;face04（:2）=face04（:2）+dy;face04（:3）=face04（:3）+dz;
face05（:1）=face05（:1）+dx;face05（:2）=face05（:2）+dy;face05（:3）=face05（:3）+dz;
face06（:1）=face06（:1）+dx;face06（:2）=fac