number of samples in the signal

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Kutru biladi 2015-7-22

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https://ww2.mathworks.cn/matlabcentral/answers/230753-number-of-samples-in-the-signal

评论： Star Strider 2015-7-22

Hi all, i am new in matlab. i want to implement a equation.

ts = 0.01;
t = 0:ts:10;
fs = 1/ts;
fc = 50;
S = cos(2*pi*fc*t);
now i want to implement a equation with t[n]. Here what shoud i take as number of samples.
S2 = sin(2*pi*fc*t[n] + phi(t[n]));

what shoud i put here as t[n];

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dpb 2015-7-22

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In Matlab, one uses the facility to treat values as vectors (or matrices or arrays) instead of dealing with individual element-at-a-time paradigms such as C.

Just write

S2 = sin(2*pi*fc*t + phi);

excepting you need a defining formula for phi that you've not supplied.