1
寤虹珛涓�涓懡浠?/p>
M
鏂囦欢
:
姹傛暟
60.70.80,
鏉冩暟鍒嗗埆涓?/p>
1.1
锛?/p>
1.3,1.2
鐨勫姞鏉冨钩鍧囨暟銆?/p>
鍦ㄦ寚浠ょ獥鍙ｈ緭鍏ユ寚浠?/p>
edit
锛屾墦寮�绌虹櫧鐨?/p>
M
鏂囦欢缂栬緫鍣紱
閲岄潰杈撳叆
s=60*1.1+70*1.3+80*1.2;
ave=s/3
鐒跺悗淇濆瓨鍗冲彲
2
缂栧啓鍑芥暟
M
鏂囦欢
SQRT.M;
鍑芥暟
(
)
f
x
x
飥?/p>
鍦?/p>
x=567.889
涓?/p>
0.0368
澶勭殑杩戜技鍊?
锛堜繚鐣欐湁鏁?/p>
鏁板洓浣嶏級
鍦ㄦ寚浠ょ獥鍙ｈ緭鍏ユ寚浠?/p>
edit
锛屾墦寮�绌虹櫧鐨?/p>
M
鏂囦欢缂栬緫鍣紱
閲岄潰杈撳叆
syms
x1
x2
s1
s2
zhi1
zhi2
x1=567.889;x2=0.368;
s1=sqrt(x1);s2=sqrt(x2);
zhi1=vpa(s1,4)
zhi2=vpa(s2,4)
鐒跺悗淇濆瓨骞跺懡鍚嶄负
SQRT.M
鍗冲彲
3
鐢?/p>
matlab
璁＄畻
2
2
(
)
a
b
f
x
a
b
飥?/p>
飥?/p>
飥?/p>
鐨勫�?/p>
,
鍏朵腑
a=2.3,b=4.89.
>> syms a b
>> a=2.3;b=4.89;
>> sqrt(a^2+b^2)/abs(a-b)
ans =
2.0864
4
鐢?/p>
matlab
璁＄畻鍑芥暟
2
sin
cos
(
)
1
x
x
f
x
x
飥?/p>
飥?
飥?/p>
鍦?/p>
x=
3
飦?/p>
澶勭殑鍊?/p>
.
>> syms x
>> x=pi/3;
>>
sqrt(sin(x)+cos(x))/abs(1-x^2)
ans =
12.0962
5
鐢?/p>
matlab
璁＄畻鍑芥暟
(
)
arctan
ln(
1
)
f
x
x
x
飥?/p>
飥?/p>
飥?/p>
鍦?/p>
x=1.23
澶勭殑鍊?/p>
.
>> syms x
>> x=1.23;
>> atan(x)+sqrt(log(x+1))
ans =
1.7837