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 Feb 5 awarded Popular Question Mar 2 comment How do I take the complex convolution of this impulse response and input? I already did Dilip Mar 2 accepted How do I take the complex convolution of this impulse response and input? Mar 2 comment How do I take the complex convolution of this impulse response and input? so the imaginary part $i$ has no effect in taking the geometric series? Just treat it like any other number? Mar 2 awarded Citizen Patrol Mar 2 asked How do I take the complex convolution of this impulse response and input? Jan 29 awarded Commentator Jan 22 accepted Matlab, anonymous functions, making a piecewise function, how? Jan 22 comment Matlab, anonymous functions, making a piecewise function, how? I thought I did by axis([1.5 3 -2 1]) Jan 22 comment Matlab, anonymous functions, making a piecewise function, how? Im not seeing it...when I write x2(t2-2) I want the graph to shift to the right by 2. Any recommendations? Jan 22 comment Matlab, anonymous functions, making a piecewise function, how? Thx! It worked for one. But when I tried this input it is all zeros. t2 = -0.5:0.01:1; x2 =@(t2) ((t2.^2-0.5).*((t2>=-0.5)&(t2<=1))); y_b =@(t2) -3.0*x2(t2-2); subplot(1,2,2) plot(t2,y_b(t2)) xlabel('t2') ylabel('y_b(t2)') axis([1.5 3 -2 1]) Jan 22 asked Matlab, anonymous functions, making a piecewise function, how? Jan 17 accepted whats the absolute time interval? Jan 17 comment whats the absolute time interval? so i can have two different sets of intervals that can satisfy the t values? Jan 17 asked whats the absolute time interval? Jan 15 accepted How to determine the expression of this function? Jan 15 comment How to determine the expression of this function? at f(0) =1 I wasn't able to find a valid angle Jan 15 awarded Scholar Jan 15 comment How to determine the expression of this function? Explain the $1.25^{t}$ expression and how you came up with this. I've never seen that before Jan 15 awarded Editor