| abs(x) | absolute value of x |
| biquad(x,a0,a1,a2,b0,b1,b2) | biquad-filter applied to x with 6 coefficients; the transfer function is H(z) = (b0 + b1*z^-1 + b2*z^-2) / (a0 + a1*z^-1 + a2*z^-2) |
| biquad(x,g,a1,a2,b1,b2) | biquad with 5 parameters: H(z) = g * (1 + b1*z^-1 + b2*z^-2) / (1 + a1*z^-1 + a2*z^-2) |
| cos(x) | cosine of x, with x in radians |
| cos1(x) | cosine of x, x=0...1 for a full circle |
| fir(x,a,b,c,...,j,k) | x FIR-filtered with coefficients a,b,c,...,j,k |
| firsymeven(x,a,b,c,...,j,k) | x FIR-filtered with coefficients a,b,c,...,j,k,k,j,....,c,b,a |
| firsymodd(x,a,b,c,...,j,k) | x FIR-filtered with coefficients a,b,c,...,j,k,j,....,c,b,a |
| mod1(x) | x mod 1; i.e., the fractional part of x |
| round(x,y) | round x to nearest multiple of y |
| sin1(x) | sine of x, x=0...1 for a full circle |
| sqrt(x) | square root of x |