Akdu uɣmir

Akdu uɣmir i kra n tfekka d akdu imeẓri n tfekka seg kra n wadeg yettwakten d tiɣmert.^[1] Akdu uɣmir yettusemres deg tesnallunt i wakken ad imel akat n tfekkiwin deg tallunt

Tiftarin tusnakin

Asiden n ukdu uɣmir n kra n talɣa d ayen izemren ad yili s usemres n wassaɣ:

${\displaystyle \delta =2\arctan \left({\frac {1}{2}}\,d/D\right),}$

Anda ${\displaystyle \delta }$ ukdu uɣmir ${\displaystyle d}$ d ${\displaystyle D}$ d akdu imeẓri d westum ɣef tfekka yettwaktan s yiwet n tigget ya mi ara ad yili ${\displaystyle D}$ yugar s waṭas ${\displaystyle d}$, d ayen izemren ad yili usades n watig ${\displaystyle \delta }$ s wassaɣ ${\displaystyle \delta =d/D}$ anda atig n tiɣmert tettwaket s uradyan.

I lment n tfekkiwin timezzayin ilan (yesɛan) akdu-ines imdetti yegda ${\displaystyle d_{\mbox{act}}}$ akdu uɣmir yettwafk-d s wassaɣ:

${\displaystyle \delta =2\arcsin \left({\frac {1}{2}}\,d_{\mbox{act}}/D\right).}$

Ẓeṛ daɣen

Imniren

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