# Why does this error read

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Nick Olibrice on 21 Jul 2022
Answered: SAI SRUJAN on 21 Jul 2022
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P1 = 101 %pressure in kpa
P1 = 101
T1 = 298%temperature in kelvin
T1 = 298
n = 1.4
n = 1.4000
Cp = 1.004
Cp = 1.0040
Cv = 0.717
Cv = 0.7170
R = 0.287 %gas constant in kJ/kg*k
R = 0.2870
v1 = R * T1/P1 %specific volume in m^3/kg
v1 = 0.8468
IsentConst1 = P1 * v1^n
IsentConst1 = 80.0219
P2 = 2828 %outlet compressor/inlet combuster pressure
P2 = 2828
T2 = ((P2 / P1)^((n-1)/n)) * (T1)
T2 = 772.1292
v2 = (R * T2) / P2
v2 = 0.0784
Wc = Cp * (T2 - T1)
Wc = 476.0257
P3 = P2
P3 = 2828
T3 = 2260
T3 = 2260
v3 = R * T3 / P3
v3 = 0.2294
IsentConst2 = P3 * v3^n
IsentConst2 = 359.9107
Wt = Wc
Wt = 476.0257
T4 = (Wt / Cp) + T3
T4 = 2.7341e+03
v4 = ((P3 * v3^n)/(R * T4)^(1/n-1))
v4 = 2.4169e+03
P4 = R * T4 /v4
P4 = 0.3247
IsentConst3 = P4 * v4^n
IsentConst3 = 1.7701e+04
u4 = Cv * T4
u4 = 1.9604e+03
h4 = u4 + P4 * v4
h4 = 2.7451e+03
P5 = P1
P5 = 101
v5 = (P4 *v4^n / P5)^(1/n)
v5 = 40.0524
T5 = P5 *v5 / R
T5 = 1.4095e+04
u5 = Cv * T5
u5 = 1.0106e+04
h5 = u5 + P5 * v5
h5 = 1.4151e+04
dh = (h5 - h4)*1000 %performance parameter
dh = 1.1406e+07
P = P1:0.001:P2;
v = v1:-0.001:v2;
plot(v,P,'r','lineWidth',1.5)
Error using plot
Vectors must be the same length.

SAI SRUJAN on 21 Jul 2022
Hi Nick Olibrice,
From my understanding of your question,you are facing an error using plot.I hope the following documentation which has a similar use case may give you an insight of how to use the function plot,