MCQOPTIONS
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MCQOPTIONS
| 1. |
For the functional IL(v, ) Iv(v)+ c G(v)dxdy, what is the necessary condition for IL to have a stationary value? |
| A. | <sub>v<sub>x</sub></sub>I<sub>L</sub>+ <sub>v<sub>y</sub></sub>I<sub>L</sub>+ <sub> </sub>I<sub>L</sub>=0 |
| B. | <sub>v<sub>x</sub></sub>I<sub>L</sub>- <sub>v<sub>y</sub></sub>I<sub>L</sub>- <sub> </sub>I<sub>L</sub>=0 |
| C. | <sub>v<sub>x</sub></sub>I<sub>L</sub>- <sub>v<sub>y</sub></sub>I<sub>L</sub>+ <sub> </sub>I<sub>L</sub>=0 |
| D. | <sub>v<sub>x</sub></sub>I<sub>L</sub>+ <sub>v<sub>y</sub></sub>I<sub>L</sub>- <sub> </sub>I<sub>L</sub>=0 |
| Answer» B. <sub>v<sub>x</sub></sub>I<sub>L</sub>- <sub>v<sub>y</sub></sub>I<sub>L</sub>- <sub> </sub>I<sub>L</sub>=0 | |