is there any way to change the value of heaviside function at zero in matlab 2014b? because I have to change the value from 0.5 to 1.
You can use the 'HeavisideAtOrigin'
preference of sympref
to set a custom value at the origin:
sympref('HeavisideAtOrigin',1);
one = heaviside(-1:1)
sympref('HeavisideAtOrigin',0.5);
pointFive= heaviside(-1:1)
...
one =
0 1 1
pointFive =
0 0.5000 1.0000
The above was introduced in R2015a . For pre-R2015a, you'll have to build your own fix for this, eg:
% heavisideOrigin1.m
function y = heavisideOrigin1(x)
y = round(heaviside(x));
end
% ...
y = heavisideOrigin1(-1:1)
% prints
y =
0 1 1
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