The software generates a detailed analysis report that opens in a browser. It is my preference for there to be this many. How do I fix this (Also, I don't want to hear anything about my overuse of parentheses. I'm running Python 3.3, and it's finding the problem at the last line. No matter what I input, the result is the same. In the Simulink® Design Verifier™ Results window, to redisplay the results summary, click Back to summary.Ģ. I keep getting a 'OverflowError: math range error'. To view an HTML report containing detailed information about the analysis report for the sldvdemo_cruise_control_fxp_fixed model:ġ. Click the Start simulation button to simulate the model with this test case.Īs expected, the simulation fails due to an overflow error at the Sum block in the Fixed-Point Controller subsystem.įor more information, see Manage Simulink Design Verifier Harness Models. In the harness model, the Signal Builder dialog box opens, with Test Case 2 displayed.Ĥ. The software creates a harness model containing the test case with the signal values that cause this overflow error. How do I fix this (Also, I dont want to hear anything about my overuse of parentheses. Im running Python 3.3, and its finding the problem at the last line. In the Simulink® Design Verifier™ Results window, click View counterexample. I keep getting a 'OverflowError: math range error'. The Simulink® Design Verifier™ Results window displays information that an overflow error occurred.ģ. Click the Sum block, outlined in red, that provides the error input to the PI Controller subsystem. In the sldvdemo_cruise_control_fxp_fixed model, open the Fixed-Point Controller subsystem.Ģ. To see the test cases that demonstrate the errors, generate the harness model from the Simulink® Design Verifier™ Results window:ġ. In the next section, you create the harness model to see the test case that generates the Sum block overflow error. Keep the sldvdemo_cruise_control_fxp_fixed model open. When the software analyzes the PI Controller subsystem, it ignores the overflow error from the Sum block and assumes that the inputs to the subsystem are valid. Traceback (most recent call last): File '/home/paoli/publichtml/netcdf2png. None of the blocks in the PI Controller subsystem can produce overflow or division-by-zero errors. vmax math.log (vmax)/math.log (b) OverflowError: math range error. Click the PI Controller subsystem, outlined in green. The analysis does not propagate this error and assumes that the Sum block output is within the valid range for any subsequent computations.Ħ. The analysis reports the overflow error on the Sum block. You can see that the sum operation for these signal ranges can compute a value that exceeds the range for the Outport of the Sum block. The Outport from the Switch block has a range of. The third Outport from the Bus block has a range of. math signalpower 9 noisepower 10 ratio signalpower / noisepower 10 math.log10(ratio) print decibels decibels But when you run it, you get an error.
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