Element wise multiplication in R

0 votes

I have two vectors: numbers1 and numbers2 with integer elements in them. I want to calculate the element ­wise products of n​umbers1​ and numbers2.

Oct 30, 2018 in Data Analytics by Ali
• 11,320 points
2,345 views

1 answer to this question.

0 votes

In R the simple vector multiplication gives you element wise multiplication

>a=c(1,2,3)
>b=c(1,2,3)
>a*b
[1] 1 4 9

In addition If you want matrix multiplication it will go like...

>a%*%b
[,1] [1,] 14
answered Oct 30, 2018 by Maverick
• 10,840 points

Related Questions In Data Analytics

0 votes
2 answers

R function for finding the index of an element in a vector?

The function match works on vectors : x <- sample(1:10) x # ...READ MORE

answered Dec 11, 2020 in Data Analytics by Rajiv
• 8,890 points
45,130 views
0 votes
1 answer

How do I remove an element from a list by index in R?

Use list[index] = NULL The list value will ...READ MORE

answered Oct 31, 2019 in Data Analytics by Cherukuri
• 32,990 points
1,087 views
0 votes
1 answer

How to remove an element from a list in R?

Hi@akhtar, You can remove a value from a ...READ MORE

answered Oct 30, 2020 in Data Analytics by MD
• 95,300 points
2,392 views
+2 votes
1 answer

Need a hadoop engine in backend to run r server

Dear Koushik, Hope you are doing great. The hadoop ...READ MORE

answered Dec 17, 2017 in Data Analytics by Sudhir
• 1,610 points
240 views
0 votes
1 answer

By using dpylr package sum of multiple columns

Basically here we are making an equation ...READ MORE

answered Apr 5, 2018 in Data Analytics by DeepCoder786
• 1,720 points
1,326 views
0 votes
1 answer

How to convert a text mining termDocumentMatrix into excel or csv in R?

By assuming that all the values are ...READ MORE

answered Apr 5, 2018 in Data Analytics by DeepCoder786
• 1,720 points
745 views
0 votes
1 answer

In a dpylr pipline how to use sample and seq?

For avoiding rowwise(), I prefer to use ...READ MORE

answered Apr 6, 2018 in Data Analytics by DeepCoder786
• 1,720 points

edited Jun 9, 2020 by Gitika 291 views
0 votes
1 answer

How to create a list of Data frames?

Basically all we have to do is ...READ MORE

answered Apr 9, 2018 in Data Analytics by DeepCoder786
• 1,720 points
483 views
0 votes
1 answer

How is R applied in real world?

R Programming gives a broad variety of ...READ MORE

answered Oct 29, 2018 in Data Analytics by Maverick
• 10,840 points
888 views
+1 vote
1 answer

Difference between factor and as.factor in R programming

Hey @Ali, as.factor is a wrapper for ...READ MORE

answered Oct 29, 2018 in Data Analytics by Maverick
• 10,840 points
3,351 views