1 files changed, 15 insertions, 0 deletions
diff --git a/70/CH5/EX5.2.3/5_2_3.sci b/70/CH5/EX5.2.3/5_2_3.sci
new file mode 100755
index 000000000..86315146b
--- /dev/null
+++ b/70/CH5/EX5.2.3/5_2_3.sci
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+//page 249
+clear;
+close;
+clc;
+disp('K is rotation through 90 degree,then K^2 is rotation through 180 degree and inv(k is rotation through -90 degree)')
+K=[0 -1;1 0];
+disp(K,'K=')
+disp(K*K,'K^2=')
+disp(K*K*K,'K^3=')
+disp(K^4,'K^4=')
+[V,D]=spec(K);
+disp('K^4 is a complete rotation through 360 degree.')
+disp(D,'Eigen value matrix,D of K:');
+disp(D^4,'and also D^4=')
+//end
+\ No newline at end of file