changed a symbol in logger

Author: MPMPMPMPMPMPMP

varipeps/optimization/optimizer.py

@@ -1024,7 +1024,7 @@ def random_noise(a):
 
         step_str = f"{float(linesearch_step):0.3f}" if linesearch_step is not None else "None"
         logger.info(
-            "📉 %4d | E=%.8f ΔE=%.2e | r=%d | |∇ψ|=%.2e | ls=%s | ε_tr=%.1e | χ=%d | t=%.0fs",
+            "📉 %4d | E=%.8f ΔE=%.2e | r=%d | ‖∇ψ‖=%.2e | ls=%s | ε_tr=%.1e | χ=%d | t=%.0fs",
             int(count),
             float(working_value),
             -float(working_value - step_energies[random_noise_retries][-2]) if len(step_energies[random_noise_retries]) > 1 else 0.0,