Section: Handle-Based Graphics
plot
command:
semilogx(<data 1>,{linespec 1},<data 2>,{linespec 2}...,properties...)
in fact, it is a simple wrapper around plot
that sets the
x axis to have a logarithmic scale.
--> y = linspace(0,2); --> x = (10).^y x = <double> - size: [1 100] Columns 1 to 3 1.0000000000000000 1.0476157527896648 1.0974987654930561 Columns 4 to 6 1.1497569953977358 1.2045035402587823 1.2618568830660204 Columns 7 to 9 1.3219411484660291 1.3848863713938731 1.4508287784959397 Columns 10 to 12 1.5199110829529336 1.5922827933410924 1.6681005372000588 Columns 13 to 15 1.7475284000076838 1.8307382802953682 1.9179102616724886 Columns 16 to 18 2.0092330025650473 2.1049041445120205 2.2051307399030455 Columns 19 to 21 2.3101297000831598 2.4201282647943820 2.5353644939701119 Columns 22 to 24 2.6560877829466865 2.7825594022071245 2.9150530628251765 Columns 25 to 27 3.0538555088334154 3.1992671377973836 3.3516026509388426 Columns 28 to 30 3.5111917342151311 3.6783797718286335 3.8535285937105295 Columns 31 to 33 4.0370172585965545 4.2292428743894988 4.4306214575838814 Columns 34 to 36 4.6415888336127784 4.8626015800653537 5.0941380148163793 Columns 37 to 39 5.3366992312063095 5.5908101825122243 5.8570208180566654 Columns 40 to 42 6.1359072734131725 6.4280731172843204 6.7341506577508214 Columns 43 to 45 7.0548023107186433 7.3907220335257788 7.7426368268112693 Columns 46 to 48 8.1113083078968700 8.4975343590864423 8.9021508544503867 Columns 49 to 51 9.3260334688321986 9.7700995729922546 10.2353102189902625 Columns 52 to 54 10.7226722201032310 11.2332403297802763 11.7681195243499843 Columns 55 to 57 12.3284673944206595 12.9154966501488406 13.5304777457980681 Columns 58 to 60 14.1747416292680555 14.8496826225446501 15.5567614393047151 Columns 61 to 63 16.2975083462064418 17.0735264747069060 17.8864952905743522 Columns 64 to 66 18.7381742286038389 19.6304065004027137 20.5651230834865153 Columns 67 to 69 21.5443469003188319 22.5701971963392047 23.6448941264540728 Columns 70 to 72 24.7707635599171141 25.9502421139973585 27.1858824273293997 Columns 73 to 75 28.4803586843580199 29.8364724028333868 31.2571584968823686 Columns 76 to 78 32.7454916287772804 34.3046928631491710 35.9381366380462737 Columns 79 to 81 37.6493580679246733 39.4420605943765636 41.3201240011533670 Columns 82 to 84 43.2876128108305949 45.3487850812858184 47.5081016210279543 Columns 85 to 87 49.7702356433211150 52.1400828799968465 54.6227721768434265 Columns 88 to 90 57.2236765935021694 59.9484250318940894 62.8029144183425316 Columns 91 to 93 65.7933224657567877 68.9261210434969911 72.2080901838546367 Columns 94 to 96 75.6463327554629075 79.2482898353917307 83.0217568131974417 Columns 97 to 99 86.9749002617783447 91.1162756115489145 95.4548456661834166 Columns 100 to 100 100.0000000000000000 --> plot(x,y,'r-');
and now with a logarithmic x axis
--> semilogx(x,y,'r-');