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Error "Attempt to evaluate nonintegral power of negative number."
Posted 16.06.2021, 01:06 GMT-4 Heat Transfer, Parameters, Variables, & Functions Version 5.5 0 Replies
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Attempt to evaluate nonintegral power of negative number. - Function: ^ Failed to evaluate temporary symbolic derivative variable. - Variable: comp1.aw@VDN$comp1.c - Defined as: 1.3629999999999999893-((((0.5(((-1.3629999999999999893)(0.5(comp1.b^(-0.5))))-((4comp1.a)+(comp1.d1.4827999999999998959))))(1/comp1.a))+(0.3707((-(0.5((comp1.b^0.5)-((4comp1.a)comp1.d))))/(comp1.a^2))))(0.5(((0.5((comp1.b^0.5)-((4comp1.a)comp1.d)))/comp1.a)^(-0.5)))) Failed to evaluate temporary symbolic derivative variable. - Variable: comp1.cs@VDN$comp1.c - Defined as: (unit_K_cf(5702.9107529468365(1.3629999999999999893-((((0.5(((-1.3629999999999999893)(0.5(comp1.b^(-0.5))))-((4comp1.a)+(comp1.d1.4827999999999998959))))(1/comp1.a))+(0.3707((-(0.5((comp1.b^0.5)-((4comp1.a)comp1.d))))/(comp1.a^2))))(0.5(((0.5((comp1.b^0.5)-((4comp1.a)comp1.d)))/comp1.a)^(-0.5)))))))(1/comp1.T) Failed to evaluate temporary symbolic derivative variable. - Variable: comp1.ht.bhs1.Qb@VDN$comp1.c - Defined as: hm(H((unit_K_cf(5702.9107529468365(1.3629999999999999893-((((0.5(((-1.3629999999999999893)(0.5(comp1.b^(-0.5))))-((4comp1.a)+(comp1.d1.4827999999999998959))))(1/comp1.a))+(0.3707((-(0.5((comp1.b^0.5)-((4comp1.a)comp1.d))))/(comp1.a^2))))(0.5(((0.5((comp1.b^0.5)-((4comp1.a)comp1.d)))/comp1.a)^(-0.5)))))))(1/comp1.T))) Failed to evaluate expression. - Expression: dvol_spatial(comp1.ht.d(hm(H((unit_K_cf(5702.9107529468365(1.3629999999999999893-((((0.5(((-1.3629999999999999893)(0.5(comp1.b^(-0.5))))-((4comp1.a)+(comp1.d1.4827999999999998959))))(1/comp1.a))+(0.3707((-(0.5((comp1.b^0.5)-((4comp1.a)comp1.d))))/(comp1.a^2))))(0.5(((0.5((comp1.b^0.5)-((4comp1.a)comp1.d)))/comp1.a)^(-0.5)))))))(1/comp1.T))))) Failed to evaluate Jacobian of expression. - Expression: dvol_spatial(comp1.ht.dcomp1.ht.bhs1.Qb) Failed to evaluate Jacobian of expression. - Expression: (comp1.ht.bhs1.Qbtest(comp1.ht.bhs1.Tvar)comp1.ht.d)(dvol_spatial)
In my Variable there is quadratic formula function,where -b +/- sqrt b^2-4ac/2a.
Hello Nor Laila
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