diff options
Diffstat (limited to '2048/CH11/EX11.16/filtval.sci')
| -rwxr-xr-x | 2048/CH11/EX11.16/filtval.sci | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/2048/CH11/EX11.16/filtval.sci b/2048/CH11/EX11.16/filtval.sci new file mode 100755 index 000000000..1d4dcb6b5 --- /dev/null +++ b/2048/CH11/EX11.16/filtval.sci @@ -0,0 +1,11 @@ +// Value of polynomial p(x), evaluated at x
+// 11.16
+
+// finds the value of a polynomial in powers of z^{-1}
+// function Y = filtval(P,z)
+
+function Y = filtval(P,z)
+N = length(P)-1;
+Q = polyno(P,'x');
+Y = horner(Q,z)/z^N;
+endfunction;
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