Modeling and Optimization of <svg style="vertical-align:-2.934pt;width:68.925003px;" id="M1" height="19.5375" version="1.1" viewBox="0 0 68.925003 19.5375" width="68.925003" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,15.825)"><path id="x1D440" d="M998 650l-8 -28q-71 -4 -86 -16t-22 -69l-50 -397q-3 -28 -4.5 -44t2 -29t6.5 -18.5t17 -10.5t24.5 -6.5t37.5 -3.5l-8 -28h-271l7 28q63 6 78 22t25 90l60 415h-2l-353 -552h-23l-130 536h-2l-70 -254q-44 -158 -47 -188q-5 -38 9 -51t71 -18l-6 -28h-241l8 28
q45 4 67 18.5t35 45.5q16 38 74 233l52 173q24 79 11.5 98t-89.5 26l6 28h177l136 -508l337 508h172z" /></g><g transform="matrix(.022,-0,0,-.022,22.949,15.825)"><path id="x2F" d="M368 703l-264 -866h-60l265 866h59z" /></g><g transform="matrix(.022,-0,0,-.022,32.185,15.825)"><path id="x1D43A" d="M713 296l-5 -25q-47 -7 -59 -20t-23 -72l-15 -79q-9 -48 -3 -74q-15 -3 -55 -13t-63 -15t-59.5 -10t-70.5 -5q-149 0 -243 80t-94 220q0 169 127.5 276.5t336.5 107.5q91 0 206 -36l-10 -165l-29 -1q1 85 -47.5 126t-146.5 41q-153 0 -243.5 -97t-90.5 -242
q0 -122 68.5 -198.5t188.5 -76.5q121 0 139 75l20 86q13 58 -1.5 70.5t-99.5 20.5l5 26h267z" /></g><g transform="matrix(.022,-0,0,-.022,48.414,15.825)"><use xlink:href="#x2F" /></g><g transform="matrix(.022,-0,0,-.022,57.65,15.825)"><path id="x1D7CF" d="M441 24v-24h-373v24q75 2 96 20q22 19 22 85v378q0 70 -36 70q-26 0 -65 -16l-20 -8v26l251 109h18v-570q0 -57 19 -75q19 -17 88 -19z" /></g></svg>-Type Queueing Networks: An Efficient Sensitivity Analysis Approach

<table>Policy gradient algorithm procedure.</table>

Mathematical Problems in Engineering

fig4

Figure 4

Figure 4: Modeling and Optimization of <svg style="vertical-align:-2.934pt;width:68.925003px;" id="M1" height="19.5375" version="1.1" viewBox="0 0 68.925003 19.5375" width="68.925003" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,15.825)"><path id="x1D440" d="M998 650l-8 -28q-71 -4 -86 -16t-22 -69l-50 -397q-3 -28 -4.5 -44t2 -29t6.5 -18.5t17 -10.5t24.5 -6.5t37.5 -3.5l-8 -28h-271l7 28q63 6 78 22t25 90l60 415h-2l-353 -552h-23l-130 536h-2l-70 -254q-44 -158 -47 -188q-5 -38 9 -51t71 -18l-6 -28h-241l8 28
q45 4 67 18.5t35 45.5q16 38 74 233l52 173q24 79 11.5 98t-89.5 26l6 28h177l136 -508l337 508h172z" /></g><g transform="matrix(.022,-0,0,-.022,22.949,15.825)"><path id="x2F" d="M368 703l-264 -866h-60l265 866h59z" /></g><g transform="matrix(.022,-0,0,-.022,32.185,15.825)"><path id="x1D43A" d="M713 296l-5 -25q-47 -7 -59 -20t-23 -72l-15 -79q-9 -48 -3 -74q-15 -3 -55 -13t-63 -15t-59.5 -10t-70.5 -5q-149 0 -243 80t-94 220q0 169 127.5 276.5t336.5 107.5q91 0 206 -36l-10 -165l-29 -1q1 85 -47.5 126t-146.5 41q-153 0 -243.5 -97t-90.5 -242
q0 -122 68.5 -198.5t188.5 -76.5q121 0 139 75l20 86q13 58 -1.5 70.5t-99.5 20.5l5 26h267z" /></g><g transform="matrix(.022,-0,0,-.022,48.414,15.825)"><use xlink:href="#x2F" /></g><g transform="matrix(.022,-0,0,-.022,57.65,15.825)"><path id="x1D7CF" d="M441 24v-24h-373v24q75 2 96 20q22 19 22 85v378q0 70 -36 70q-26 0 -65 -16l-20 -8v26l251 109h18v-570q0 -57 19 -75q19 -17 88 -19z" /></g></svg>-Type Queueing Networks: An Efficient Sensitivity Analysis Approach 

Mathematical Problems in Engineering

Modeling and Optimization of -Type Queueing Networks: An Efficient Sensitivity Analysis Approach

Figure 4