Plotting discrete piecewise function

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Gaurav Rudravaram
回答： Walter Roberson 2021-2-1
Need to plot a discrete piecewise function.But the problem is between 6 and 9 the value should be (2n+1).Can somebody please help me out
x = @(n) 3*((0<=n) & (n<=5)) + 2*n.*((6<=n) & (n<=9)) + 0*((n<0) & (n>9));
n = -12:12;
figure
stem(n, x(n))
grid

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回答（1 个）

Walter Roberson
Walter Roberson 2021-2-1
Ran in:
x = @(n) 3*((0<=n) & (n<=5)) + (2*n+1).*((6<=n) & (n<=9)) + 0*((n<0) | (n>9));
n = -12:12;
figure
stem(n, x(n))
grid

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