The output of the above code is 1 that means logical 1, logical 1 is a true condition. Isequal( f, ) - filter function matching = filter ( b, a, x1 ) - filter functionį2 = filter ( b, a, x2, zf ) - filter functionį = filter ( b, a ,x ) - filter function X2 = x ( 51001 : end ) - second seg is x2 = 51000 to 110000ī = - numerator coefficientĪ = - denominator coefficient X1 = x ( 1 : 51000 ) - splitting the seq. X = randn( 110000 ,1 ) - creation of input sequence x (1 to 110000) These filters create large data and divide input into two segments.If there are memory limitations in designing then some filters consider the initial condition and final condition.And if it is a multidimensional signal then we get output with respect to the first array.If the input signal ‘x’ is matrix then we get an output signal ‘z’ with respect to each column.If input ‘x’ is vector then we get output ‘z’ as a vector.The output of the filter depends on the type of input ‘x’.In this case, it is mandatory to have a ( 1 ) is 1 so, we normalize the coefficient to 1 to satisfy this condition a ( 1 ) should be not equal to zero then only we can normalize the coefficient. In the above equation, a and b are the numerator and denominator coefficients of signal.
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