數(shù)學(xué)建模中常用的30個matlab程序和函數(shù)(已修改)
2025-04-16 04:27 本頁面
【正文】 內(nèi)部數(shù)學(xué)常數(shù)pi 圓周率 exp(1)自然對數(shù)的底數(shù)ei 或j 虛數(shù)單位Inf或 inf 無窮大 2 基本數(shù)學(xué)運算符a+b 加法ab減法a*b矩陣乘法a.*b數(shù)組乘法a/b矩陣右除a\b矩陣左除a./b數(shù)組右除a.\b數(shù)組左除a^b 矩陣乘方a.^b數(shù)組乘方a負(fù)號’ 共軛轉(zhuǎn)置.39。一般轉(zhuǎn)置3 關(guān)系運算符==等于小于大于=小于或等于=大于或等于~=不等于4 常用內(nèi)部數(shù)學(xué)函數(shù) 指數(shù)函數(shù)exp(x)以e為底數(shù)對數(shù)函數(shù)log(x)自然對數(shù)，即以e為底數(shù)的對數(shù)log10(x)常用對數(shù)，即以10為底數(shù)的對數(shù)log2(x)以2為底數(shù)的x的對數(shù)開方函數(shù)sqrt(x)表示x的算術(shù)平方根絕對值函數(shù)abs(x)表示實數(shù)的絕對值以及復(fù)數(shù)的模三角函數(shù)（自變量的單位為弧度）sin(x)正弦函數(shù)cos(x)余弦函數(shù)tan(x)正切函數(shù)cot(x)余切函數(shù)sec(x)正割函數(shù)csc(x)余割函數(shù)反三角函數(shù) asin(x)反正弦函數(shù)acos(x)反余弦函數(shù)atan(x)反正切函數(shù)acot(x)反余切函數(shù)asec(x)反正割函數(shù)acsc(x)反余割函數(shù)雙曲函數(shù) sinh(x)雙曲正弦函數(shù)cosh(x)雙曲余弦函數(shù)tanh(x)雙曲正切函數(shù)coth(x)雙曲余切函數(shù)sech(x)雙曲正割函數(shù)csch(x)雙曲余割函數(shù)反雙曲函數(shù) asinh(x)反雙曲正弦函數(shù)acosh(x)反雙曲余弦函數(shù)atanh(x)反雙曲正切函數(shù)acoth(x)反雙曲余切函數(shù)asech(x)反雙曲正割函數(shù)acsch(x)反雙曲余割函數(shù)求角度函數(shù)atan2(y,x)以坐標(biāo)原點為頂點，x軸正半軸為始邊，從原點到點（x，y）的射線為終邊的角，其單位為弧度，范圍為（ ， ]數(shù)論函數(shù)gcd(a,b)兩個整數(shù)的最大公約數(shù)
數(shù)學(xué)相關(guān)推薦
鄂ICP備17016276號-1