39 lines
728 B
Matlab
39 lines
728 B
Matlab
% EX3 a)
|
|
|
|
function x = value(b, d, v, t)
|
|
% b: basis
|
|
% d: mantissa coefficients
|
|
% v: coefficients of the exponent
|
|
% t: sign
|
|
|
|
if b < 2
|
|
disp('basis needs to be at least 2!')
|
|
return
|
|
elseif !(t == -1 || t == 1)
|
|
disp('t needs to be 1 or -1!')
|
|
return
|
|
end
|
|
exponent = (t * unConvert(v, b))
|
|
prefactor = b ^ exponent
|
|
mantissa = unConvertMantissa(d, b)
|
|
x = prefactor * mantissa
|
|
end
|
|
|
|
|
|
function val = unConvert(n, b)
|
|
nums = flip(n)
|
|
res = 0
|
|
for i = 1:length(n)
|
|
res += nums(i) * b^(i-1)
|
|
end
|
|
val = res
|
|
end
|
|
|
|
function val = unConvertMantissa(m, b)
|
|
res = 0
|
|
for i = 1:length(m)
|
|
res += m(i) * b^(-i)
|
|
end
|
|
val = res
|
|
end
|