diff options
Diffstat (limited to '3838/CH7/EX7.2.d/EX7_2_D.sce')
-rw-r--r-- | 3838/CH7/EX7.2.d/EX7_2_D.sce | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/3838/CH7/EX7.2.d/EX7_2_D.sce b/3838/CH7/EX7.2.d/EX7_2_D.sce new file mode 100644 index 000000000..2264d412b --- /dev/null +++ b/3838/CH7/EX7.2.d/EX7_2_D.sce @@ -0,0 +1,8 @@ +//Example 7.2.D +clc; +syms a z n; +x=(0.5)^(n); +X=symsum(x*(z^-n),n,0,%inf); +d=0.8^(n); +D=symsum(d*(z^-n),n,-(%inf),-1); +disp(D+X,'X(z)='); |