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Hi guys. The tex file which compile the following graphic has many problems. I don't know what's happening. Any input would be really appreciated. # Cargo el prgrama que produce el c?digo en Latex require(tikzDevice) # Establezco directorio del programa setwd('/Users/fabiangarcia/Documents/R') # El siguiente programa produce el archivo tex tikz('CobbGRAF.tex', standAlone = TRUE, width=5, height=5) # La gr?fica de la funci?n de utilidad f = function(x, y) ((y)^1*(x)^1) x = seq(0,5,len=40) y = seq(0,5,len=40) z = outer(x, y, f) showsurface = function(x, y, z)...