Converting SVG to XML for Android Studio

The dev team requires illustrations to be in XML format, but sketch only exports them as SVG files. Earlier when we just had icons to deal with, we used this tool to convert to XML, but it has been giving errors for our illustrations that have more layers and complex shapes.

We were looking for solutions to this problem as others must have come across a similar scenario. Thanks!

Industry benchmark for converting visitors per month to impression

Is there any industry benchmark to convert visitors per month of a website that comes with Google Analytics report (or other such analytics software) to number of monthly impressions for basic understanding. I am in the midst of analytics data from a research report that reads 16,784 visitors per month of a category of website ( I need to get an idea of the impression (I know it will be rough estimate) associated with the same (16,784 visitors per month).

Converting a Recurrence Relation to its Closed Form

I have a recurrence relation of the form given below (taken from Analysis of Algorithms – An Active Learning Approach by Jeffrey J. McConnell):

$ T(n) = 2T(n – 2) – 15 $

$ T(2) = T(1) = 40 $

I am asked to find a closed-form for the recurrence relation i.e. to remove the recursive nature of the equations.

Working: My professor said it would be easier if you could see the patterns taking form if you expand the equations up to a few steps. So,

$ T(n) = 2T(n – 2) – 15 $

$ = 2(2T(n – 4) – 15) – 15$

$ = 4T(n – 4) – 2\times 15 – 15 $

$ = 4(2T(n – 6) – 15) – 2\times15 – 15$

$ = 8T(n – 6) – 4 \times 15 – 2\times15 – 15$

I observe that the coefficient of $ T$ in each step is a power of 2. The size of the problem during each recursive call decreases by 2. Also, there is a -15 term multiplied by the next power of 2.

But I am stuck here and do not know how to proceed further i.e. to obtain a closed-form. The book says to consider cases when $ n$ is odd and even. But I do not get it at all. Any help would be appreciated.

Note: The material hasn’t covered advanced topics like solving recurrence relations yet.

Converting DFA to RE

I have been trying to solve this problem.

Convert the DFA to a regular expression. enter image description here

I extracted these following equation.

$ q_1 = q_2a$

$ q_2 = q_1a + (a+b)q_3$

$ q_3 = q_1b + q_2a $

Also,the solution is $ a(aa)^*+a^*b((a+b)a^*b)^*+a^*b((a+b)a^*b)^*(a+b)(aa)^*$

Can somebody tell me how to get to this answer??

Radix Sort – Base converting

I have some difficulties with calculating base for computing time complexity.

Given n integers in [0…nlogn-1]. What is the time complexity in worse case scenario of the best way of sorting given n integers.

We know that radix sort time complexity is O(d(n+k)) when d is the number of digits and k is the base.

I know that if the range was [0…n^constant] it was easy to calculate since n is the base and we have k=constant+1 so the time complexity is O(n).

moreover, if the range was [0…logn^logn] with log laws I can transform it to n^loglogn then the base is n and k is loglogn so it will be O(nloglogn).

But, in case above I don’t know how to covert it to base n… (the answer it is O(n), however I don’t understand why)

May the following claims be helpful to calculate it, however even them I didn’t understand yet, so it will be appreciated if it could be explained(if the are relevant).

Given n b-bits numbers, and r ≤ b, the time complexity of Radix Sort is Θ((b/r)(n + 2^r)).

Given n b-bits numbers, the time complexity of Radix Sort is

Θ(n) if b ≤ log n and Θ(bn/log n) if b > log n.

What the correct method to perform it?

Converting R markdown into .Rd files [on hold]

Is it possible to convert R Markdown to .Rd files in R? Basically, I’m writing a R package for myself which can be accessed over github and I want to write some help files for my functions because they are a bit complicated to use. I need to use features like italics/boldface characters which are (to my limited knowledge) not directly available for .Rd files. Is it possible to use these features in a .Rd file? Or is there any way to convert markdown files/use markdown syntax in a .Rd file? Or is there some rich literature available for .Rd files which I am unaware of? Any help is good help for me at this point and will be appreciated.

Converting a set up values repetitively [on hold]

Looking for suggestions on design for this problem. I have a set of values from a sensor that gets converted into a 640 x 512 bitmap. The sensor always outputs a buffer made up of a range of integers between 6205 – 10205. I need to convert these into a list or array of bytes (0,0,0 – 255,255,255 for gray scale or three bytes that represent color ex. 3, 56, 243) for a BW or Color image.

Currently I am:

  1. iterating the buffer and converting two bytes to a short

  2. Iterating the short array and converting those values to temperature

  3. Getting max and min temperatures and then iterating the temperatures and converting those to 0 – 255.

I get a buffer every 30 ms from the sensor and doing all the looping and calculation above takes all of the 30 ms. I’d like to get this time down to 5 – 10 ms.

I was thinking of doing the calculations once and placing those in a dictionary, doing a lookup for each value and returning the result. Hoping to get the iteration down to once doing it this way.

Ultimately I will be applying custom colors to the image of temperature rather than grayscale.

Is there a better (faster) way to do this? I am working in C#.

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