Cody

Problem 220. Signal filtering

Solution 3004525

Submitted on 29 Sep 2020 at 1:10
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Test Suite

Test Status Code Input and Output
1   Fail
y = sin(2*pi*(0:0.0001:0.9999)*100)' + randn(10000,1); z = filt(y); assert((sin(2*pi*(0:0.0001:0.9999)*100)*z/norm(sin(2*pi*(0:0.0001:0.9999)*100))/norm(z))>0.95)

Assertion failed.

2   Fail
y = chirp(0:0.0001:0.9999,50,1,150)' + randn(10000,1); z = filt(y); assert((chirp(0:0.0001:0.9999,50,1,150)*z/norm(chirp(0:0.0001:0.9999,50,1,150))/norm(z))>0.95)

Undefined function 'chirp' for input arguments of type 'double'. Error in Test2 (line 1) y = chirp(0:0.0001:0.9999,50,1,150)' + randn(10000,1);

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