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Porgs
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Why do I get Error: File: exercise_1_b.m Line: 8 Column: 28 Unexpected MATLAB operator.

Asked by Porgs
on 31 Mar 2018
Latest activity Answered by Ahmet Cecen on 31 Mar 2018
I get this error
Error: File: exercise_1_b.m Line: 8 Column: 28
Unexpected MATLAB operator.
this is my code
t = [-2.5: 0.01: -1.5];
A_c = 1;
f_c = 50;
m_t = sinc(2 * (t - 2)) - sinc(2 * (t + 2));
% b)
k_a = input('enter the value of k_a: ');
s_t = A_c * (1 + k_a * m_t). * cos(2 * pi * f_c * t);
plot(t, s_t);
If I dont use the "." operator for "s_t".
I get the
Error using *
Inner matrix dimensions must agree."
error.

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2 Answers

Answer by Walter Roberson
on 31 Mar 2018
 Accepted Answer

Do not have a space between the . and the * . It is a pair of characters that must go together, .*

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Answer by Ahmet Cecen on 31 Mar 2018

s_t = A_c * (1 + k_a * m_t) .* cos(2 * pi * f_c * t);
The operator is ".*" not ". *". That being said there are still other issues here, starting with sinc not being a function.

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