diff options
Diffstat (limited to '104/CH2/EX2.21/2_21.sce')
| -rwxr-xr-x | 104/CH2/EX2.21/2_21.sce | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/104/CH2/EX2.21/2_21.sce b/104/CH2/EX2.21/2_21.sce new file mode 100755 index 000000000..32165c157 --- /dev/null +++ b/104/CH2/EX2.21/2_21.sce @@ -0,0 +1,6 @@ +//z transform
+syms n z;
+a=1;
+x =%e^-(a*n);
+X = symsum(x*(z^(-n)),n,0,%inf)
+disp(X,"ans=")
\ No newline at end of file |