integral function gives error

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cmcelm
cmcelm 2020-5-7
回答： Star Strider 2020-5-7
R = 8.3145;
rxnH1500 = deltaHrxn + integral(deltaCpfxn, 298, 1500)
KaIntegralFunc = @(T) rxnH1500/(R*(T^2))
integral(KaIntegralFunc, 0, 1)
Running this code gives a long error message with
----
"Error using ^
One argument must be a square matrix and the other must be a scalar. Use POWER (.^) for elementwise power.
Error in cheg325hw8q2>@(T)rxnH1500/(R*(T^2))
Error in integralCalc/iterateScalarValued (line 314)
fx = FUN(t);
Error in integralCalc/vadapt (line 132)
[q,errbnd] = iterateScalarValued(u,tinterval,pathlen);
Error in integralCalc (line 75)
[q,errbnd] = vadapt(@AtoBInvTransform,interval);
Error in integral (line 88)
Q = integralCalc(fun,a,b,opstruct);"
----
I don't understand why the integral didn't work, as the function works just fine.

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回答（1 个）

Star Strider
Star Strider 2020-5-7
do not see the function that is being integrated anywhere in your Question. However the error message tells you exactly what to do:
Use POWER (.^) for elementwise power.

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