How do I multiply a given function handle with the independent variable?

Question

Saurabh Madankar 2023-4-3

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https://ww2.mathworks.cn/matlabcentral/answers/1940114-how-do-i-multiply-a-given-function-handle-with-the-independent-variable

回答： Steven Lord 2023-4-3

I have pre-defined n number of function handles f_{i} which are functions of t for i = 1 to n. How do I define a new function g_{i} = t.f_{i} and then evaluate the integral of each g_{i} from t=0 to 1?

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Answer 1

Steven Lord 2023-4-3

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1940114-how-do-i-multiply-a-given-function-handle-with-the-independent-variable#answer_1207434

在 MATLAB Online 中打开

f = @sin;
g = @(t) t.*f(t);
format longg
[3*sin(3); g(3)] % Spot check by evaluating the function at t = 3
ans = 2×1
         0.423360024179602
         0.423360024179602