Simple Discrete Signal Shifting

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nazmul islam
nazmul islam 2017-1-30
回答： Star Strider 2017-1-30
x (n) =[1, 2, 3, 4,5,6,7,6,5, 4,3, 2,1]. The Italic Digit (i.e. 3) represents n=0 value.
Now, plot the following sequence x1[n]=2x(n-5)-3x(n+4).
Please, if possible, write me the simple code for the above sequence both by using & not using the function(e.g. for signal shifting and addition). N.B. Is there any function called sigshift that can be used here? If yes, Note that sigshift isn't working in my MATLAB (R2010a).

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回答（1 个）

Star Strider
Star Strider 2017-1-30
See if the circshift function does what you want.

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