fix ODE checking for isAmount

hetalang · Feb 27, 2024 · 939e9a8 · 939e9a8
1 parent bb96221
commit 939e9a8
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/core/species.js b/src/core/species.js
@@ -1,5 +1,6 @@
 const { Record } = require('./record');
 const { UnitTerm } = require('./unit-term');
+const { Unit } = require('./unit');
 
 /* 
  Species class
@@ -115,7 +116,7 @@ class Species extends Record {
 
  // d(s*c)/dt
  let leftSideUnits = speciesUnits
- .multiply(compartmentUnits)
+ .multiply(this.isAmount ? new Unit() : compartmentUnits) // multiply only for concentrations
  .divide(timeUnits)
  .simplify();
  // r1 + r2 + r3