Created
March 22, 2019 03:48
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| var('x') | |
| r(x) = unit_step(x) - unit_step(x - 1) | |
| rhalf(x) = 2 * r(2 * x) | |
| var('t') | |
| f(x) = integral(r(x - t) * rhalf(t), t, -infinity, infinity) | |
| a(x) = f(x - 1/2) | |
| var('y') | |
| integrate(a(x) * integrate(a(y), y, 2 * x, infinity), x, -infinity, infinity) |
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