125 Answered Questions for the topic vector


C++ Factorial Problem using Vectors

I am new to C++ and am struggling with a recent practice problem, I have some code so far but can't figure out how to get the variable to update to correctly give the next factorial. Here is the... more
Vector Calculus


Stoke's Theorem

Verify Stoke's Theorem for ->F=(xy+x^2)i + (x^2+y^2)j over the square bounded by the lines x = -1, x = 1, y = -1 and y = 1.What is the final answer?


Cats Vector Application Problem

My kittens Annie and Josie are at it again. This time, they have found the bag of cat food and are attempting to drag it out of the pantry by their teeth. Annie can pull with a force of 8 pounds... more


Vector Application Problem

My kittens, Annie and Josie, are pushing a ball, Annie with a force magnitude of 80 N in a direction of 133°, and Josie with a magnitude of 95 N in a direction of 290°. If a third cat wants to... more
Vector C++ Arrays


File compression and multi-dimensional array

Scenario A simple matrix could be used to store data about images by using 1’s and 0’s to represent darkand light shades of color similar to a bitmap. You will find a file data.txt under your... more


(a)No one interferes with the ball. How long does it take the ball to hit the ground? (b)How far did the ball travel horizontally?

Aurora hit a baseball with an initial velocity of 70 feet per second at an angle of 30° with the horizontal. The ball hit her bat when the ball was 3 feet above the ground. Use answer from part a... more


Convert r=2/7sinθ-cosθ to rectangular form


Vector Proof Question

Suppose v and w are vectors in Rn . Show that || v − w || ≥ || v || − || w ||


Lineof intersection of planes

How do we find the parametric equation of the line of intersection of the planes x+y+z=1 and x-y-z=2 ?

Green's Theorem

Verify Green's Theorem for integrate C [(xy + y^2) dx + x^2 dy ] , where C is the closed curve of the region bounded by y=x and y=x^4

Vector Calculus

How do we evaluate the volume under the surface given by, z=2xsin(y) over the region bounded below by the curve y=x^2 and above by the line y=0 for 0<=x<=1

Vector Differentiation

Prove that (grad)^2 f(r) = D^2/dr^2 + (2/r) Df/DrWhere D^2/dr^2 refers to the second partial derivative of f , w.r.t. r and Df/ Dr refers to partial derivative of f, w.r.t rvector r = xi + yj + zk... more

Linear Algebra for Computer Science

Suppose we are given p,q are in Euclidean E2 and v,w are in all real numbers R2. Do the following operations result in a point or a vector?A. p-qB. 1/2p+1/2qC. p+vD. 3vE. v+wF. p+1/2w

Photoshop layers into SVG paths?

I have a set of Photoshop files which consist of a base image with a series of layers with colored overlays. The overlays are labeled using the layer names.My task is to get these overlays as `SVG`... more

Photoshop vector smart object opening in Preview instead of Illustrator?

In Photoshop CC (version 19) on the Mac, I have a smart object vector graphic layer. Double-clicking the layer to edit the vector graphic, opens it in Preview (Mac) because, presumably, it thinks... more

Designing images with dimensioning?

Are there any graphics programs that work like AutoCad or Inventor where you can draw objects and give them precise dimensions? Even better, something parametric like Inventor. I don't like lining... more

How can I duplicate smart objects and make them separate in Photoshop CS6?

In **Photoshop** I can copy and paste Illustrator paths as a **smart object**, and then double click this smart object to edit it in **Illustrator**.When I duplicate this smart object (say to... more

Convert a line drawing from raster to vector?

I have a raster image, basically a scanned drawing of the outlines (and some detail) of various objects, and I wish to convert these lines to vectors, using either Illustrator or Inkscape.My... more

Why are raster images still used when vector images have so many advantages?

I have read some posts and see many advantages of using vector images when compared to raster images:1. They can be zoomed or scaled at any ratio.2. File-size efficiency. Because vector image only... more

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