Fix three greek letter typos

Project.toml

@@ -1,7 +1,7 @@
 name = "GenX"
 uuid = "5d317b1e-30ec-4ed6-a8ce-8d2d88d7cfac"
 authors = ["Bonaldo, Luca", "Chakrabarti, Sambuddha", "Cheng, Fangwei", "Ding, Yifu", "Jenkins, Jesse D.", "Luo, Qian", "Macdonald, Ruaridh", "Mallapragada, Dharik", "Manocha, Aneesha", "Mantegna, Gabe ", "Morris, Jack", "Patankar, Neha", "Pecci, Filippo", "Schwartz, Aaron", "Schwartz, Jacob", "Schivley, Greg", "Sepulveda, Nestor", "Xu, Qingyu", "Zhou, Justin"]
-version = "0.4.1-dev.5"
+version = "0.4.1-dev.6"
 
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"

docs/src/Model_Concept_Overview/model_notation.md

@@ -136,8 +136,8 @@ $\mathcal{W} \subseteq \mathcal{G}$ | where $\mathcal{W}$ set of hydroelectric g
 |$\alpha^{Contingency,Aux}_{y,z} \in \{0,1\}$ | Binary variable that is set to be 1 if the total installed capacity  $\Delta^{\text{total}}_{y,z} > 0$ for any generator $y \in \mathcal{UC}$ and zone $z$, and can be 0 otherwise |
 |$\Phi_{l,t} \in \mathbb{R}_+$ | Power flow in line $l$ at time step $t$ \[MWh\]|
 |$\theta_{z,t} \in \mathbb{R}$ | Volta phase angle in zone $z$ at time step $t$ \[radian\]|
-|$v_{y,z,t}$ | Commitment state of the generation cluster $y$ in zone $z$ at time $t$|
-|$\mathcal{X}_{y,z,t}$ | Number of startup decisions,  of the generation cluster $y$ in zone $z$ at time $t$|
+|$\nu_{y,z,t}$ | Commitment state of the generation cluster $y$ in zone $z$ at time $t$|
+|$\chi_{y,z,t}$ | Number of startup decisions,  of the generation cluster $y$ in zone $z$ at time $t$|
 |$\zeta_{y,z,t}$ | Number of shutdown decisions,  of the generation cluster $y$ in zone $z$ at time $t$|
 |$\mathcal{Q}_{o,n} \in \mathbb{R}_+$ | Inventory of storage of type $o$ at the beginning of input period $n$ \[MWh]|
 |$\Delta\mathcal{Q}_{o,m} \in \mathbb{R}$ | Excess storage inventory built up during representative period $m$ \[MWh]|

src/model/resources/thermal/thermal_commit.jl

@@ -275,7 +275,7 @@ When modeling frequency regulation and spinning reserves contributions, thermal
 
 ```math
 \begin{aligned}
-	\Theta_{y,z,t} - f_{y,z,t} \geq \rho^{min}_{y,z} \times Omega^{size}_{y,z} \times \nu_{y,z,t}
+	\Theta_{y,z,t} - f_{y,z,t} \geq \rho^{min}_{y,z} \times \Omega^{size}_{y,z} \times \nu_{y,z,t}
 	\hspace{1.5cm} \forall y \in \mathcal{UC}, \forall z \in \mathcal{Z}, \forall t \in \mathcal{T}
 \end{aligned}
 ```