Both of these used to work and seem useful and harmless: R> matrix(1,ncol=1)%*%c(1,2) Error in matrix(1, ncol = 1) %*% c(1, 2) : non-conformable arguments R> matrix(1,ncol=1)*(1:2) Error: dim<- length of dims do not match the length of object Thomas Lumley -----------------------------------------------------+------ Biostatistics : "Never attribute to malice what : Uni of Washington : can be adequately explained by : Box 357232 : incompetence" - Hanlon's Razor : Seattle WA 98195-7232 : : ------------------------------------------------------------ =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-devel-request@stat.math.ethz.ch =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
R-alpha: R-beta:matrix & vector multiplication.
1 message · Thomas Lumley