1 files changed, 12 insertions, 0 deletions
diff --git a/70/CH3/EX3.2.1/3_2_1.sci b/70/CH3/EX3.2.1/3_2_1.sci
new file mode 100755
index 000000000..9fb608a03
--- /dev/null
+++ b/70/CH3/EX3.2.1/3_2_1.sci
@@ -0,0 +1,12 @@
+//page 155
+clear;
+close;
+clc;
+b=[1;2;3];
+disp(b,'b=');
+a=[1;1;1];
+disp(a,'a=')
+x=(a'*b)/(a'*a)
+disp(x*a,'Projection p of b onto the line through a is x^*a=');
+disp((a'*b)/(sqrt(a'*a)*sqrt(b'*b)),'cos(thetha)=');
+//end
+\ No newline at end of file