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121 Answered Questions for the topic vector

Alternative to Adobe Illustrator?

Can you recommend a good alternative to Adobe Illustrator? I am learning vector based graphic design, but I am not ready to make such a large investment as to purchase a copy of Adobe Illustrator.... more
Vector Nursing Lungs

04/03/19

Is it possible to spread cough even if I'm not coughing?

I don't have a cough but sometimes when I go into a place a moment later a person starts to cough. Last time I met my friend that I didn't seen for a long time, having some conversation after a few... more

03/28/19

Trouble with Beziers in Inkscape after switching from Illustrator?

So this is my first post as I just very recently downloaded and tried Inkscape after roughly 7 years of Illustrator. As far as I can say this program is really amazing, although I am struggling... more

How can I get illustrator to automatically clip the artboard to the vectorized objects size?

I just exported a shape from photoshop as a path and then filled it in illustrator. I now want to save the shape as an svg, or eps but I don't want to save all the excess whitespace around the... more

03/18/19

Adobe: saving vector outline?

If a vector object (from *Ai*, for instance) is pasted into *Ps* as `Path` (especially on a white background), one get a really nice B/W technical drawing type image, which is even still vector in... more

03/18/19

Better ways of vectorizing photos than Illustrator's Trace?

Are there any better ways of vectorizing photos than Illustrator's Trace? I don't have one of them Wacom boards so I can't really do this by hand.
Vector Math Geometry

03/14/19

How do I calculate the normal vector of a line segment?

Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line? I can find lots of stuff about doing this for planes in 3D, but no 2D... more

Can Photoshop be used for vector purposes?

Usually vectors are only created in vector-based programs such as Adobe Illustrator or Inkscape, with some limited support for drawing vectors in programs like Adobe Fireworks and Flash.However,... more

How to modify the corner radius on rounded rectangle in Illustrator?

I always ended up just creating a new rounded rectangle if the existing one don't work. Is there a way to modify the corner radius without having to create a new shape?I know I can modify the... more
Vector Math Calculus

10/06/18

Find vector D

I hva 3 points A(-1 , 6) B(2 , 1) and C(4 , 4)   Then I have to find D, given that vector AB+CD=0 (origo)    I tried to find AB(3 , 5) and AC(2 , 5) first.    But I am struggling with D. Are... more
Vector Physics Velocity

10/01/18

Physics Question:

In a 3 km race, a runner completes the first km in 6 minutes, the second km in 7 minutes,  and the final km in 7 minutes. The average speed of the runner for the race is approximately what?A) 6.7... more
Vector Physics Velocity

10/01/18

A deer moves East through the Forest at 4 m/s for 10 seconds. What is the deer's displacement?

The choices A) 40 mB) 4 m/s East C) 40 m EastD) 40 m/s
Vector Calculus Maths

09/29/18

differentiation of scalar will be scalar, vector, tensor ?

differentiation of scalar will be scalar, vector, tensor ? similarly what will be derivative of vector

09/05/18

Suppose U = <2,3,4> Then:

<4,5,3> makes a (right, obtuse, or acute) with u. <5,-1,2> makes a (right, obtuse, or acute) with u. <-8,0,4> makes a (right, obtuse, or acute) with u. <3,2,-3> makes a... more

09/04/18

Let V = <1, 3, 3>. Find a unit vector for this.

I have 1/sqrt(10), 3/(sqrt(10)), 3/sqrt(10). I cannot understand why this is not the answer. It is pointing in the same direction.

06/18/18

Determine the resultant velocity V of the boat?

The velocity of a boat is 20km/hr in a direction 50 degrees north of east. The wind velocity is 5 km/hr from the west. The resultant velocity of the boat can be represented by the side of a triange... more
Vector Vectors

04/30/18

Let v be the vector (3 over p), such that |v| = 17. Calculate all possible values of p.

Let v be the vector (3 over p), such that |v| = 17. Calculate all possible values of p.   * (3 over p) - I wrote it this way because the 3 is actually positioned above the p. I need to... more
Vector Geometry Maths

04/28/18

Show that the vector w = −i − 4 j + 7 k is coplanar with the vectors u = 2 i + 3 j − k and v = 4 i + j + 11 k.

Find a vector which is coplanar with these three vectors and is perpendicular to w     I understand the first part, don't know how to do the second

Cartesian Unit Vector to Polar Unit Vector

I'm having trouble understanding the following equation conceptually.  Where....R= Polar unit vectorI, J= Cartesian unit vectors   R=cos(Θ)I+sin(Θ)J   Please explain how this equation can be... more

VECTOR QUESTION

A triangle in space is defined by the points P = (1,1,2), Q = (−1,0,3) and R = (2,1,−1).   Find a vector form and the parametric equations for the equation of the line passingthrough P and... more

Use properties of the cross product to calculate the following:

Use properties of the cross product to calculate the following:   (a) (e1+e2)×(e1×e2) =   (b) 3e3×(e3+e2) =
Vector Maths Sets

03/07/18

A question on convex sets

The definition I’ve been given of convex inequalities is the following:A set A ⊂ Rn is convex if:• For any vectors a, b ∈ A• For any λ ∈ [0,1]• The point λa + (1 - λ)b ∈ AI don’t know what the λ... more
Vector

01/20/18

find out the horizontal component of a vector.

Find horizontal component of a vector with 880N force acting at an angle of 60 degrees in counterclockwise in positive X-axis

12/18/17

Please help. Prove by using vectors.

If ABCD is a paralleloid, E is the middle of AB. If DE intersects AC on F. Then, Prove AF=AC/3 and FE=DE/3
Vector

12/15/17

what is the length of 3i + 2j + 4k in YZ plane

what is the length of 3i + 2j + 4k vector in YZ plane

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