Hi, I am new to MATLAB. I am not getting the plot .
조회 수: 1 (최근 30일)
이전 댓글 표시
I am trying to plot N=5; A=-20:5:20; B=(1/N)*(abs((sin((N*A)/2))/(sin(A/2)))); plot(A,B)
I am not getting any error but getting only one value for B. Help please. Thank You in advance
댓글 수: 0
채택된 답변
Chad Greene
2018년 2월 28일
You're doing vector operations, so use the ./ when calculating B like this:
B=(1/N)*(abs((sin((N*A)/2))./(sin(A/2))));
The . before operators such as .* is the difference between a cross product and a dot product, and the same logic follows for division and exponentials.
추가 답변 (1개)
Jim Riggs
2018년 2월 28일
Inside the abs function you are dividing two vectors. This is where the error is.
댓글 수: 2
Jim Riggs
2018년 2월 28일
You should review your Matlab introductory material for operation syntax. Matlab uses different syntax to determine when a matrix operation is to be performed (as you have specified) vs. a scalar operation (as Chad has shown in his answer). You need to be familiar with these concepts.
참고 항목
카테고리
Help Center 및 File Exchange에서 Function Creation에 대해 자세히 알아보기
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!