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| LTRA - instance parameters (input-only) |
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| ic Initial condition vector:v1,i1,v2,i2 |
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| LTRA - instance parameters (input-output) |
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| v1 Initial voltage at end 1 |
| v2 Initial voltage at end 2 |
| i1 Initial current at end 1 |
| i2 Initial current at end 2 |
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| LTRA - instance parameters (output-only) |
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| pos_node1 Positive node of end 1 of t-line |
| neg_node1 Negative node of end 1 of t.line |
| pos_node2 Positive node of end 2 of t-line |
| neg_node2 Negative node of end 2 of t-line |
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| LTRA - model parameters (input-output) |
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|ltra LTRA model |
|r Resistance per metre |
|l Inductance per metre |
|g (null) |
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|c Capacitance per metre |
|len length of line |
|nocontrol No timestep control |
|steplimit always limit timestep to 0.8*(delay of line)
| continued |
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| LTRA - model input-output parameters - continued |
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|nosteplimit don't always limit timestep to 0.8*(delay of line) |
|lininterp use linear interpolation |
|quadinterp use quadratic interpolation |
|mixedinterp use linear interpolation if quadratic results |
| look unacceptable |
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|truncnr use N-R iterations for step calculation in LTRAtrunc |
|truncdontcut don't limit timestep to keep impulse response |
| calculation errors low |
|compactrel special reltol for straight line checking |
|compactabs special abstol for straight line checking |
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| LTRA - model parameters (output-only) |
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| rel Rel. rate of change of deriv. for bkpt |
| abs Abs. rate of change of deriv. for bkpt |
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