Error : The first argument of the 'verify' operator must be a scalar logical expression.

Question

MahaboobKamal 2024-7-2，16:38

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2133831-error-the-first-argument-of-the-verify-operator-must-be-a-scalar-logical-expression

评论： Walter Roberson 2024-7-2，18:32

I am getting the error (Error : The first argument of the 'verify' operator must be a scalar logical expression.) in Testsequence (Simulink Test) while performing the MIL testing.

The Output signal "TGS_Zero_Pos_EE_NVM" is an output with array of[4x1].

Currently i have added as below :

Step_1

verify(TGS_Zero_Pos_EE_NVM == single([1.5; 1.5; 1.5; 1.5]))

Error : The first argument of the 'verify' operator must be a scalar logical expression.

Please suggest how can i add the Output signal "TGS_Zero_Pos_EE_NVM" in Testsequence inorder to run the Testsequence.

The inputs i am using are :

NVMUpdatesZeroLearn_b = [0; 0; 0; 0]; %this is an array[4x1] input
NVMsZeroLearnArray = true;
Ignition_Is_Off = false;
Engine_Is_Running = false;
Reset = false;
V5B1_Out_Of_Range = false;
deltaTime = 0.001;
HAL_TGS1_AnalogIn_V = 0.7;
V5B2_Out_Of_Range = false;
HAL_TGS2_AnalogIn_V = 2;
DID_Disable_ZeroLearning = false;
NVMs_StoredMax_V = 0;
NVM_Updates_Max_b = false;

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Answer 1

Voss 2024-7-2，16:59

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2133831-error-the-first-argument-of-the-verify-operator-must-be-a-scalar-logical-expression#answer_1479996

在 MATLAB Online 中打开

verify(isequal(TGS_Zero_Pos_EE_NVM,single([1.5; 1.5; 1.5; 1.5])))

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Walter Roberson 2024-7-2，18:32

在 MATLAB Online 中打开

Or

verify(all(TGS_Zero_Pos_EE_NVM == single([1.5; 1.5; 1.5; 1.5])))

but this will fail if TGS_Zero_Pos_EE_NVM is not shape-compatible with a column vector of length 4, whereas the isequal() approach handles the situation nicely and so is better.

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