> 3+4 [1] 7 > 7-9 [1] -2 > 2*3 [1] 6 > 5/10 [1] 0.5 > ?exp > exp(1) [1] 2.718282 > log(10) [1] 2.302585 > log10(10) [1] 1 > 2^2 [1] 4 > #^78 > 2^78 [1] 3.022315e+23 > sqrt(25) [1] 5 > 27^(1/3) [1] 3 > x<-2 > y=5 > x*y [1] 10 > z=2-5 > z [1] -3 > z=x-y > z [1] -3 > v=c("Pikachu", "Charmander", "Balbasaur","Squirtle") > w=c(2,3,5,7,11) > w [1] 2 3 5 7 11 > length(w) [1] 5 > min(w) [1] 2 > min(v) [1] "Balbasaur" > max(w) [1] 11 > sum(w) [1] 28 > mean(w) [1] 5.6 > w[1] [1] 2 > w[2,4] Error in w[2, 4] : incorrect number of dimensions > w[c(2,4)] [1] 3 7 > w[-1] [1] 3 5 7 11 > w[-c(2,4)] [1] 2 5 11 > ?c > w [1] 2 3 5 7 11 > k=c(w,13) > k [1] 2 3 5 7 11 13 > ?append > append(w,17) [1] 2 3 5 7 11 17 > q=-2:7 > q [1] -2 -1 0 1 2 3 4 5 6 7 > ?seq > r=seq(1,25,2) > r [1] 1 3 5 7 9 11 13 15 17 19 21 23 25 > odds=r > odds [1] 1 3 5 7 9 11 13 15 17 19 21 23 25 > mesh=seq(0,1,0.002) > mesh [1] 0.000 0.002 0.004 0.006 0.008 0.010 0.012 0.014 0.016 0.018 [11] 0.020 0.022 0.024 0.026 0.028 0.030 0.032 0.034 0.036 0.038 [21] 0.040 0.042 0.044 0.046 0.048 0.050 0.052 0.054 0.056 0.058 [31] 0.060 0.062 0.064 0.066 0.068 0.070 0.072 0.074 0.076 0.078 [41] 0.080 0.082 0.084 0.086 0.088 0.090 0.092 0.094 0.096 0.098 [51] 0.100 0.102 0.104 0.106 0.108 0.110 0.112 0.114 0.116 0.118 [61] 0.120 0.122 0.124 0.126 0.128 0.130 0.132 0.134 0.136 0.138 [71] 0.140 0.142 0.144 0.146 0.148 0.150 0.152 0.154 0.156 0.158 [81] 0.160 0.162 0.164 0.166 0.168 0.170 0.172 0.174 0.176 0.178 [91] 0.180 0.182 0.184 0.186 0.188 0.190 0.192 0.194 0.196 0.198 [101] 0.200 0.202 0.204 0.206 0.208 0.210 0.212 0.214 0.216 0.218 [111] 0.220 0.222 0.224 0.226 0.228 0.230 0.232 0.234 0.236 0.238 [121] 0.240 0.242 0.244 0.246 0.248 0.250 0.252 0.254 0.256 0.258 [131] 0.260 0.262 0.264 0.266 0.268 0.270 0.272 0.274 0.276 0.278 [141] 0.280 0.282 0.284 0.286 0.288 0.290 0.292 0.294 0.296 0.298 [151] 0.300 0.302 0.304 0.306 0.308 0.310 0.312 0.314 0.316 0.318 [161] 0.320 0.322 0.324 0.326 0.328 0.330 0.332 0.334 0.336 0.338 [171] 0.340 0.342 0.344 0.346 0.348 0.350 0.352 0.354 0.356 0.358 [181] 0.360 0.362 0.364 0.366 0.368 0.370 0.372 0.374 0.376 0.378 [191] 0.380 0.382 0.384 0.386 0.388 0.390 0.392 0.394 0.396 0.398 [201] 0.400 0.402 0.404 0.406 0.408 0.410 0.412 0.414 0.416 0.418 [211] 0.420 0.422 0.424 0.426 0.428 0.430 0.432 0.434 0.436 0.438 [221] 0.440 0.442 0.444 0.446 0.448 0.450 0.452 0.454 0.456 0.458 [231] 0.460 0.462 0.464 0.466 0.468 0.470 0.472 0.474 0.476 0.478 [241] 0.480 0.482 0.484 0.486 0.488 0.490 0.492 0.494 0.496 0.498 [251] 0.500 0.502 0.504 0.506 0.508 0.510 0.512 0.514 0.516 0.518 [261] 0.520 0.522 0.524 0.526 0.528 0.530 0.532 0.534 0.536 0.538 [271] 0.540 0.542 0.544 0.546 0.548 0.550 0.552 0.554 0.556 0.558 [281] 0.560 0.562 0.564 0.566 0.568 0.570 0.572 0.574 0.576 0.578 [291] 0.580 0.582 0.584 0.586 0.588 0.590 0.592 0.594 0.596 0.598 [301] 0.600 0.602 0.604 0.606 0.608 0.610 0.612 0.614 0.616 0.618 [311] 0.620 0.622 0.624 0.626 0.628 0.630 0.632 0.634 0.636 0.638 [321] 0.640 0.642 0.644 0.646 0.648 0.650 0.652 0.654 0.656 0.658 [331] 0.660 0.662 0.664 0.666 0.668 0.670 0.672 0.674 0.676 0.678 [341] 0.680 0.682 0.684 0.686 0.688 0.690 0.692 0.694 0.696 0.698 [351] 0.700 0.702 0.704 0.706 0.708 0.710 0.712 0.714 0.716 0.718 [361] 0.720 0.722 0.724 0.726 0.728 0.730 0.732 0.734 0.736 0.738 [371] 0.740 0.742 0.744 0.746 0.748 0.750 0.752 0.754 0.756 0.758 [381] 0.760 0.762 0.764 0.766 0.768 0.770 0.772 0.774 0.776 0.778 [391] 0.780 0.782 0.784 0.786 0.788 0.790 0.792 0.794 0.796 0.798 [401] 0.800 0.802 0.804 0.806 0.808 0.810 0.812 0.814 0.816 0.818 [411] 0.820 0.822 0.824 0.826 0.828 0.830 0.832 0.834 0.836 0.838 [421] 0.840 0.842 0.844 0.846 0.848 0.850 0.852 0.854 0.856 0.858 [431] 0.860 0.862 0.864 0.866 0.868 0.870 0.872 0.874 0.876 0.878 [441] 0.880 0.882 0.884 0.886 0.888 0.890 0.892 0.894 0.896 0.898 [451] 0.900 0.902 0.904 0.906 0.908 0.910 0.912 0.914 0.916 0.918 [461] 0.920 0.922 0.924 0.926 0.928 0.930 0.932 0.934 0.936 0.938 [471] 0.940 0.942 0.944 0.946 0.948 0.950 0.952 0.954 0.956 0.958 [481] 0.960 0.962 0.964 0.966 0.968 0.970 0.972 0.974 0.976 0.978 [491] 0.980 0.982 0.984 0.986 0.988 0.990 0.992 0.994 0.996 0.998 [501] 1.000 > exp(x) [1] 7.389056 > exp(mesh) [1] 1.000000 1.002002 1.004008 1.006018 1.008032 1.010050 [7] 1.012072 1.014098 1.016129 1.018163 1.020201 1.022244 [13] 1.024290 1.026341 1.028396 1.030455 1.032518 1.034585 [19] 1.036656 1.038731 1.040811 1.042894 1.044982 1.047074 [25] 1.049171 1.051271 1.053376 1.055485 1.057598 1.059715 [31] 1.061837 1.063962 1.066092 1.068227 1.070365 1.072508 [37] 1.074655 1.076807 1.078963 1.081123 1.083287 1.085456 [43] 1.087629 1.089806 1.091988 1.094174 1.096365 1.098560 [49] 1.100759 1.102963 1.105171 1.107383 1.109600 1.111822 [55] 1.114048 1.116278 1.118513 1.120752 1.122996 1.125244 [61] 1.127497 1.129754 1.132016 1.134282 1.136553 1.138828 [67] 1.141108 1.143393 1.145682 1.147976 1.150274 1.152577 [73] 1.154884 1.157196 1.159513 1.161834 1.164160 1.166491 [79] 1.168826 1.171166 1.173511 1.175860 1.178214 1.180573 [85] 1.182937 1.185305 1.187678 1.190056 1.192438 1.194825 [91] 1.197217 1.199614 1.202016 1.204422 1.206834 1.209250 [97] 1.211671 1.214096 1.216527 1.218962 1.221403 1.223848 [103] 1.226298 1.228753 1.231213 1.233678 1.236148 1.238623 [109] 1.241102 1.243587 1.246077 1.248571 1.251071 1.253576 [115] 1.256085 1.258600 1.261120 1.263644 1.266174 1.268709 [121] 1.271249 1.273794 1.276344 1.278900 1.281460 1.284025 [127] 1.286596 1.289172 1.291753 1.294339 1.296930 1.299527 [133] 1.302128 1.304735 1.307347 1.309964 1.312587 1.315215 [139] 1.317848 1.320486 1.323130 1.325779 1.328433 1.331092 [145] 1.333757 1.336427 1.339103 1.341784 1.344470 1.347162 [151] 1.349859 1.352561 1.355269 1.357982 1.360701 1.363425 [157] 1.366155 1.368890 1.371630 1.374376 1.377128 1.379885 [163] 1.382647 1.385415 1.388189 1.390968 1.393753 1.396543 [169] 1.399339 1.402141 1.404948 1.407760 1.410579 1.413403 [175] 1.416232 1.419068 1.421909 1.424755 1.427608 1.430466 [181] 1.433329 1.436199 1.439074 1.441955 1.444842 1.447735 [187] 1.450633 1.453537 1.456447 1.459363 1.462285 1.465212 [193] 1.468145 1.471085 1.474030 1.476981 1.479938 1.482901 [199] 1.485869 1.488844 1.491825 1.494811 1.497804 1.500803 [205] 1.503807 1.506818 1.509834 1.512857 1.515886 1.518921 [211] 1.521962 1.525009 1.528062 1.531121 1.534186 1.537258 [217] 1.540335 1.543419 1.546509 1.549605 1.552707 1.555816 [223] 1.558930 1.562051 1.565179 1.568312 1.571452 1.574598 [229] 1.577750 1.580909 1.584074 1.587245 1.590423 1.593607 [235] 1.596797 1.599994 1.603197 1.606407 1.609623 1.612845 [241] 1.616074 1.619310 1.622552 1.625800 1.629055 1.632316 [247] 1.635584 1.638859 1.642140 1.645427 1.648721 1.652022 [253] 1.655329 1.658643 1.661964 1.665291 1.668625 1.671966 [259] 1.675313 1.678667 1.682028 1.685395 1.688769 1.692150 [265] 1.695538 1.698932 1.702334 1.705742 1.709157 1.712578 [271] 1.716007 1.719442 1.722885 1.726334 1.729790 1.733253 [277] 1.736723 1.740200 1.743684 1.747175 1.750673 1.754177 [283] 1.757689 1.761208 1.764734 1.768267 1.771807 1.775354 [289] 1.778909 1.782470 1.786038 1.789614 1.793197 1.796787 [295] 1.800384 1.803988 1.807600 1.811219 1.814845 1.818478 [301] 1.822119 1.825767 1.829422 1.833084 1.836754 1.840431 [307] 1.844116 1.847808 1.851507 1.855214 1.858928 1.862650 [313] 1.866379 1.870115 1.873859 1.877611 1.881370 1.885136 [319] 1.888910 1.892692 1.896481 1.900278 1.904082 1.907894 [325] 1.911714 1.915541 1.919376 1.923218 1.927069 1.930927 [331] 1.934792 1.938666 1.942547 1.946436 1.950333 1.954237 [337] 1.958150 1.962070 1.965998 1.969934 1.973878 1.977829 [343] 1.981789 1.985757 1.989732 1.993716 1.997707 2.001706 [349] 2.005714 2.009729 2.013753 2.017784 2.021824 2.025872 [355] 2.029927 2.033991 2.038063 2.042144 2.046232 2.050328 [361] 2.054433 2.058546 2.062667 2.066797 2.070935 2.075081 [367] 2.079235 2.083398 2.087569 2.091748 2.095936 2.100132 [373] 2.104336 2.108549 2.112770 2.117000 2.121238 2.125485 [379] 2.129740 2.134004 2.138276 2.142557 2.146846 2.151144 [385] 2.155451 2.159766 2.164090 2.168423 2.172764 2.177114 [391] 2.181472 2.185840 2.190216 2.194600 2.198994 2.203396 [397] 2.207808 2.212228 2.216657 2.221094 2.225541 2.229996 [403] 2.234461 2.238934 2.243417 2.247908 2.252408 2.256918 [409] 2.261436 2.265963 2.270500 2.275045 2.279600 2.284164 [415] 2.288737 2.293319 2.297910 2.302510 2.307120 2.311739 [421] 2.316367 2.321004 2.325651 2.330307 2.334972 2.339647 [427] 2.344331 2.349024 2.353727 2.358439 2.363161 2.367892 [433] 2.372632 2.377382 2.382142 2.386911 2.391689 2.396478 [439] 2.401275 2.406083 2.410900 2.415726 2.420563 2.425409 [445] 2.430264 2.435130 2.440005 2.444890 2.449784 2.454689 [451] 2.459603 2.464527 2.469461 2.474405 2.479359 2.484323 [457] 2.489296 2.494280 2.499273 2.504277 2.509290 2.514314 [463] 2.519348 2.524391 2.529445 2.534509 2.539583 2.544668 [469] 2.549762 2.554867 2.559981 2.565107 2.570242 2.575387 [475] 2.580543 2.585710 2.590886 2.596073 2.601271 2.606478 [481] 2.611696 2.616925 2.622164 2.627414 2.632674 2.637944 [487] 2.643226 2.648517 2.653820 2.659133 2.664456 2.669790 [493] 2.675135 2.680491 2.685857 2.691234 2.696622 2.702021 [499] 2.707430 2.712851 2.718282 > print((1:10)^2) [1] 1 4 9 16 25 36 49 64 81 100 > w [1] 2 3 5 7 11 > w[2:4] [1] 3 5 7 > w[seq(1,5,2)] [1] 2 5 11 > t=seq(1,25,3) > t [1] 1 4 7 10 13 16 19 22 25 > t=seq(1,20,3) > t [1] 1 4 7 10 13 16 19 > a=c(1,2) > b=c(2,4,6,8) > a*b [1] 2 8 6 16 > b*w [1] 4 12 30 56 22 Warning message: In b * w : longer object length is not a multiple of shorter object length > 2*w [1] 4 6 10 14 22 > w+5 [1] 7 8 10 12 16 > ?matrix > mat=matrix(c(1,2,3,4), nrow=2, ncol=2) > mat [,1] [,2] [1,] 1 3 [2,] 2 4 > mat[1,2] [1] 3 > mat=matrix(c(1,2,3,4), nrow=2, ncol=2, byrow=TRUE) > mat [,1] [,2] [1,] 1 2 [2,] 3 4 > another.mat=matrix(c(4,5,6,7), nrow=2, ncol=2) > another.mat [,1] [,2] [1,] 4 6 [2,] 5 7 > mat*another.mat [,1] [,2] [1,] 4 12 [2,] 15 28 > mat%*%another.mat [,1] [,2] [1,] 14 20 [2,] 32 46 > #we stipulate x > x=9 > #we stipulate x > x=9 > > > > #we stipulate x > x=9 > source("~/.active-rstudio-document") >