What's the problem with this simple anonymous function?

조회 수: 2 (최근 30일)
Muhammad Usman
Muhammad Usman 2021년 11월 10일
댓글: Muhammad Usman 2021년 12월 7일
Here's an simple code:
clear all; clc; close all;
n = 1:3;
for i = 1:numel(n) %numel is used if someother time I'll use negative values for n
f = @(x) x.^n;
fplot(f);
hold on;
f1 = @(x) x.^(1/n);
fplot(f1);
hold on;
end
The function "f" is running OK but "f1" is generating graphics error. For one value of n like:
f1 = @(x) x.^(1/2);
It generates the plot, but not in the loop.
Please let me know what's wrong?

채택된 답변

Steven Lord
Steven Lord 2021년 11월 10일
You likely meant to use n(i) in your functions, not n. Another option would be to use 1./n instead of 1/n.
n = 1:3
n = 1×3
1 2 3
y = 1./n
y = 1×3
1.0000 0.5000 0.3333
z = 1/n(2)
z = 0.5000
w = 1/n
Error using /
Matrix dimensions must agree.
  댓글 수: 2
Muhammad Usman
Muhammad Usman 2021년 12월 7일
Thanks, sometimes a simpler logic never clicks into the mind
Muhammad Usman
Muhammad Usman 2021년 12월 7일
One thing more to ask how to adjust legend for array n
n = 1:10;
figure(1);
f = @(x) x.^n;
fplot(f);
hold on;
legend(sprintf('$x^{%d}$\n',n),'Interpreter','latex');
xlim([0 10])
The output I got:
How to correct it?
Thanks in advance

댓글을 달려면 로그인하십시오.

추가 답변 (0개)

카테고리

Help CenterFile 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!

Translated by