hope the plotting graph

2020 10 19
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更新时间：2020 10 19
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x = linspace(20,100000);
y = 20*log(1/(1+(2*(3.14)*(x.)*(102*10^-9)*(985.1))^2)^0.5);
plot(x,y)
the matlab said like the below~~~~~~~~~ whats the matter?
error: parse error:
syntax error
>>> y = 20*log(1/(1+(2*(3.14)*(x.)*(102*10^-9)*(985.1))^2)^0.5);
^
error: 'y' undefined near line 1, column 1

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Ameer Hamza
Ameer Hamza 2020-10-19

0 个投票

Try this
x = linspace(20,100000);
y = 20*log(1./(1+(2*(3.14)*(x)*(102*10^-9)*(985.1)).^2).^0.5);
plot(x,y)
Read about element-wise opetators in MATLAB: https://www.mathworks.com/help/matlab/matlab_prog/array-vs-matrix-operations.html

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