Re: How to do a simple loop?

*To*: mathgroup at smc.vnet.net*Subject*: [mg30450] Re: How to do a simple loop?*From*: vnagornyi at netscape.net (Vadim Nagornyi)*Date*: Tue, 21 Aug 2001 03:05:30 -0400 (EDT)*References*: <9ligqt$is2$1@smc.vnet.net> <9ll7pm$m3p$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Thanks for the help, Oliver! I thought it could be done easier, without numerical stuff. Vadim. "Oliver Friedrich" <oliver.friedrich at tz-mikroelektronik.de> wrote in message news:<9ll7pm$m3p$1 at smc.vnet.net>... > Hi Vadim, > > 1. To print the function i times > > Table[x*i-i,{i,100}]//TableForm > > It creates a list with i elements. Each element represents your desired > expression. > > 2. Plot the function > > Scan[ Plot[ x i-i, {i,0,#}]&, Range[100]] > > Range creates a table with elements 1 to 100. Scan operates the Plot > function on each of that elements. The element is inserted at the # (a so > called pure function). Careful with that x, you must replace it with a > numerical value, cause Plot won't evaluate on non-numeric expressions. > > 3. Find the Integral > > Map[Integrate [x i-i, {x, 0, #}]&,Range[5]] > > Same as above, except that Map creates a list with the result. > > Have fun > > Oliver Friedrich > > > > "Vadim Nagornyi" <vnagornyi at netscape.net> schrieb im Newsbeitrag > news:9ligqt$is2$1 at smc.vnet.net... > > Still using 2.2 ... > > OK, I have a function that depends on an integer, for example F=x*i-i. > > For i ranging from 1 to 100 I need to perform the following: > > > > 1. Display the function equation. > > 2. Plot the function in the range 0...i > > 3. Find the integral of the function for the same range. > > > > The loop body looks simple: > > > > F > > Plot[F, {x, 0, i}] > > Integrate [F, {x, 0, i}] > > > > but how to iterare this? > > > > Thanks, > > Vadim. > >