Originally Posted by
shawsend It's better if you cut and past you're code so that we can cut and past it directly into Mathematica. Select it, then do a Cell/Convert To/Raw Input form like I did below. Now you can just cut and paste it directly in your Mathematica and if you want convert it back to standard form.
\[CapitalLambda][t_] :=Piecewise[{{1-Abs[t],Abs[t]<= 1},{0,Abs[t]>= 1}}];
t0 = 9;
s1 = t0 - 6;
x[t_] := Exp[s1*t];
h[t_] := \[CapitalLambda][t/10];
myConvol[t_]=Integrate[x[t - \[Tau]]*h[\[Tau]],
{\[Tau], -Infinity, Infinity}]