Displaying 2 results from an estimated 2 matches for "math4".
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1997 May 12
1
R-alpha: Hypergeometric Distribution
A cut and paste typo has crept in and is rendering all values returned
for the hypergeometric distribution incorrect. The problem is in
src/main/arithmetic.c in the function "math4". The lines
PROTECT(sy = allocVector(REALSXP, n));
a = REAL(sa);
b = REAL(sb);
c = REAL(sc);
d = REAL(sc); /* <-- change this line */
y = REAL(sy);
should read
PROTECT(sy = allocVector(REALSXP, n));
a = REAL(sa);
b...
2003 Jul 23
6
window function
Dear Sebastian and all,
This is a Japanese to live in Japan.
I have a question.
Ogg's window functon is
f(x)=sin(1/2*pi*sin^2((x+0.5)/n*pi)) for 0 <= x < n
But I cannot understand why this window function satisfys
the equation
f^2(x)+f^2(x+n/2)=2
which is for MDCT's perfect signal reconstruction.
reference:
Analysis/Synthesis Filter Bank Design Based on Time Domain Aliasing