Questions tagged [addition]

Addition is a mathematical operation that represents combining collections of objects together into a larger collection. It is signified by the plus sign (+).

Addition is a mathematical operation that represents combining collections of objects together into a larger collection. It is signified by the plus sign (+).

It is commutative, meaning that order does not matter, and it is associative, meaning that when one adds more than two numbers, order in which addition is performed does not matter.

(Wikipedia)

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Adding and multiplying Matrices Java

I am currently working on trying to add and multiply two matrices together and print the results. I had done the multiplication right or at least I am certain however I cannot test the results as I do not know how to print it. Everything seemed fine…
user9453652
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How to add every other columns together

I have a file (72 columns totally) and would like to add every other columns starting from column4, infile 20170101 1 1 1.5 2 2 3 3 20170101 2 1 2 2 4 3 4 20170101 3 1 5 2 3 3 6 The output should be 20170101 1 6.5 20170101 2 10 20170101 3…
kelly
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How to add superscript 2 as text in llustrator with Javascript

I've been trying to add and remove certain pieces of text based on their font and whenever I need to add a certain piece of text back into it's original place again I need to insert a superscript 2 after this text. This is the piece of code in which…
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function add() numbers with prompt

I want to simple add number code using prompt function myFunction() { var x = prompt(""); var add = (function () { var counter = 0; return function () {return counter += x;} })(); document.getElementById("demo").innerHTML =…
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Adding Diagonals of a matrix using R

I would like to add up the upper part diagonals of a matrix starting from the middle, with increment in column until (1,n), n being the last column and save each sum of every diagonal. My code only add the middle diagonal, how can I loop through the…
shegzter
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Recursively add consecutive vector values in R

Assume I have a vector containing the following values: foo <- c(1:5) [1] 1 2 3 4 5 Is there a function or otherwise quick way to get each value of foo to add recursively to the numbers before it? Desired Result is a vector containing these added…
theforestecologist
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Raspbian Pi program to calculate vehicle Speed using hall effect sensor

I was facing a problem to break counter variable after every 1 second. This counter variable will keep tract of vehicle wheel revolution per seond which will help to calculate speed. Also how we can pass a parameter in a function callback inside …
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Force output of + operator to be the same as its input in a function?

I have a function test that calculates the sum of two variables of type N, returning N. How can I specify N::Output type must be N? use std::ops::Add; fn test(num_a: N, num_b: N) -> N { num_a + num_b } fn main() { println!("{:?}",…
jiwopene
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Excel allows adding rows manually, but not from VBA

This has been asked already, but none of the answers available helps me. I am trying to add a row to a small worksheet. I am allowed to add the row with Alt-I, R manually, but if I try to do it from a macro, I get this: I have tried, without…
Stephen
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How to add a child node at a specific location of an XML document using R?

This is the first time I am trying to edit XML using R. This is also the first time I am working with XML document. I have the following XML document in R with following code XmlDoc <- xmlTreeParse("C:/Users/EQA32292/Downloads/Forecast…
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Drupal 7 site take more time to add and update

My drupal 7 site takes more.. time to node add (node/add) and update (node/edit). Please anyone help me to reduce the time of node add and edit
Subarna
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addition of three columns based on filtering and user input using pandas

I have a data frame.It is one intermediate csv file . It has following data. sv1 val1 sv2 val2 sv3 val3 2 0.2 4 0.6 8 0.3 2 0.1 6 0.1 8 0.11 2 0.12 6 -0.3 8 0.2 …
Poka
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Add, Subtract with Qbasic values

I'm back att Qbasic again after 20 years... I'm trying to have a value changed several times, depending on input. This is a very newbie-app, and I'm sure there's an simple answer but this is rubbing my brain. I want the CREDIT to change with +10 or…
ethonrails
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JULIA : LoadError: UndefVarError: add_vertex! not defined

I am trying to create a simple type of Graph before putting more efforts on the bigger one I will have to create with data implementation and I figured out that add_vertex! was exactly what I needed to add a special type of vertex into my…
Alexo
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splitting list, extracting an element and adding it in python

I am new in python. I have a list with seperator of "::" and it seems like that; 1::Erin Burkovich (2000)::Drama 2::Assassins (1995)::Thriller I want to split them by "::" and extract the year from name and add it into the end of the line. Each…
Tyr
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