Cody

Problem 2812. Find out DC Gain of transfer function

Solution 689013

Submitted on 19 Jun 2015 by goc3
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Test Suite

Test Status Code Input and Output
1   Pass
%% x = '5/(s+2)'; y_correct = 2.5; assert(isequal(DC_gain(x),y_correct))

a = '5' '(s+2)' b = '(s' '2)' c = 2 ans = 2.5000

2   Pass
%% x = '5/(s+5)'; y_correct = 1; assert(isequal(DC_gain(x),y_correct))

a = '5' '(s+5)' b = '(s' '5)' c = 5 ans = 1

3   Pass
%% x = '5/(2*s+5)'; y_correct = 1; assert(isequal(DC_gain(x),y_correct))

a = '5' '(2*s+5)' b = '(2*s' '5)' c = 5 ans = 1

4   Pass
%% x = '10/(2*s+5)'; y_correct = 2; assert(isequal(DC_gain(x),y_correct))

a = '10' '(2*s+5)' b = '(2*s' '5)' c = 5 ans = 2

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