I have to plot a bunch of cosine waves and then add them up but my problem is that each indiviudal wave looks really weird when I plot and not like a cos wave. The program runs and plots the final result but I'm not sure how accurate it is because when I plot each individual cos wave I know it should not look like that(adsbygoogle = window.adsbygoogle || []).push({});

This is my method,

t=[0:119];

a1=9.8;

f1=200;

P1=0;

s1=a1*cos(2*pi*f1*t+P1);

t=[0:119];

a2=7.6;

f2=145;

P2=30;

s2=a2*cos(2*pi*f2*t+P2);

t=[0:119];

a3=5.4;

f3=93;

P3=70;

s3=a3*cos(2*pi*f3*t+P3);

t=[0:119];

a4=3.2;

f4=58;

P4=160;

s4=a4*cos(2*pi*f4*t+P4);

t=[0:119];

a5=1.0;

f5=35;

P5=320;

s5=a5*cos(2*pi*f5*t+P5);

S1=s1+s2+s3+s4+s5;

plot(t,S1)

any help would be appreciated

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# Plotting cosine in matlab looks really funky

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