Basic Mathematical Functions
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R can perform the usual mathematical operations, below are the functions:Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
Arithmetic
- + – addition
- – – subtraction
- * – multiplication
- / – division
Trigonometry
- sin – sine
- cos – cosine
- tan – tangent
- asin – sine inverse
- acos – cosine inverse
- atan – tangent inverse
Linear Algebra
- + – element-wise addition
- – – element-wise subtraction
- * – element-wise multiplication
- / – element-wise division
- %*% – matrix multiplication
- t – transpose
- eigen – eigenvalues and eigenvectors
- solve – inverse of matrix
- ginv – generalized inverse, requires MASS package
- rbind – combines vectors of observations horizontally into matrix class
- cbind – combines vectors of observations vertically into matrix class
Reference:
- Kabacoff, R. I. Matrix Algebra. Quick-R. Retrieved April 20, 2013 here.
- Trigonometric Functions. R Documentation. R.2.15.1
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