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Matlab series summation method

Mar 07, 2020 pm 04:44 PM
matlab

在学习微积分(高等数学)中级数时,许多童鞋不知道如何求级数的和,下面就教大家用matlab求解级数和。

Matlab series summation method

matlab级数求和的方法

1、最常见的级数形式,如下所示。

Matlab series summation method

S :级数的和

i: 自变量,值域为[a,b] 

f(i):为关于自变量i的函数

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2、查阅matlab帮助可以知道,可以用symsum函数求解级数,函数有以下4种使用方式:

Matlab series summation method

3、作为示例,我们采用第四种方式求解以下级数:

clc;clear;
% symsum(expr,v,a,b)
syms v
syms f
a = 1;
b = 100;
f = v^2;
S = symsum(f,v,a,b)
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Matlab series summation method

4、点击图中红色箭头所指的运行按钮,计算结果为:

S = 338350
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Matlab series summation method

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