(e, var, pts)
| 43 | |
| 44 | |
| 45 | def sample(e, var, pts): |
| 46 | v = symbols(var, real=True) # must match the (real) symbol used to build `e` |
| 47 | out = [] |
| 48 | for p in pts: |
| 49 | try: |
| 50 | out.append(float(N(e.subs(v, float(p)), 25))) |
| 51 | except Exception: |
| 52 | out.append(None) |
| 53 | return out |
| 54 | |
| 55 | |
| 56 | def main(): |