Help with For End loop

Use a For-end loop in a script file to calculate the sum of the first n terms of the series:

Summation sign on the top n bottom k=1 : ((-1)^k * k^2 +5k)/3^k Show the script file and the two results of n = 10 and n = 20.

WHAT IS THIS I DONT UNDERSTAND LOOPS HELP PLEASE IM BEGGING!!!. x.x

Answer 1

[Image Analyst]

n=10;
theSum = 0;
for k = 1 : n
  theSum =

OK, that should be enough hint for you to finish your homework.

[Hasan]

i still dont get it

[Image Analyst]

I didn't know this was a duplicate question. Then just use the answer Harry gave you in http://www.mathworks.com/matlabcentral/answers/160855-help-with-homework-please-loops-are-hard He did your entire homework question for you.