Vector Dot Product کا حساب کیسے لگائیں
Vector Dot Product کیا ہے؟
The dot product (scalar product) of two vectors produces a scalar — a single number — by summing the products of corresponding components. It encodes both the magnitudes of the vectors and the cosine of the angle between them, making it essential for computing projections, work done by a force, lighting in computer graphics, and similarity in machine learning.
فارمولا
- v
- 0 ⟺ vectors are perpendicular (orthogonal) — 0 ⟺ vectors are perpendicular (orthogonal)
مرحلہ وار گائیڈ
- 1u · v = u₁v₁ + u₂v₂ + u₃v₃ + ... (sum of component products)
- 2u · v = |u| × |v| × cos(θ)
- 3θ = arccos(u·v / (|u|×|v|)) — angle between vectors
- 4u · v = 0 ⟺ vectors are perpendicular (orthogonal)
- 5u · v > 0 ⟺ angle < 90°; u · v < 0 ⟺ angle > 90°
حل شدہ مثالیں
اکثر پوچھے جانے والے سوالات
What is Vector Dot?
The dot product (scalar product) of two vectors produces a scalar — a single number — by summing the products of corresponding components. It encodes both the magnitudes of the vectors and the cosine of the angle between them, making it essential for computing projections, work done by a force, lighting in computer graphics, and similarity in machine learning
How accurate is the Vector Dot calculator?
The calculator uses the standard published formula for vector dot. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.
What units does the Vector Dot calculator use?
This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.
What formula does the Vector Dot calculator use?
The core formula is: u · v = u₁v₁ + u₂v₂ + u₃v₃ + ... (sum of component products). Each step in the calculation is shown so you can verify the result manually.
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