Char 字符型;Numeric数值型 (single单精度型, int8, int16, …) ;cell元胞型;structure结构体型;jave classes Java类;Function handle函数句柄 特殊变量表 ans运算结果的默认变量名;i或j虚数单位;pi圆周率pi;eps浮点数的相对误差;inf或INF无穷大,如1/0;NaN或nan不定值,如0/0、∞ / ∞ \infty/\infty∞/...
any 测试向量中是否有真元素 *isa 检测对象是否为某一个类的对象exist 检验变量或文件是否定义 logical 将数字量转化为逻辑量find 查找非零元素的下标3 语言结构与调试3.1编程语言函数名 功能描述 函数名 功能描述builtin 执行Matlab内建的函数 global 定义全局变量eval 执行Matlab语句构成的字符串 nargchk 函数输入输...
function [X,FVAL,EXITFLAG,OUTPUT,LAMBDA,GRAD,HESSIAN] = fmincon(FUN,X,A,B,Aeq,Beq,LB,UB,NONLCON,options,varargin) /*fmincon可以在多元函数中找到最小值 FMINCON attempts to solve problems of the form: min F(X) subject to: A*X <= B, Aeq*X = Beq (linear constraints)线性约束 X C(X...
ismatrix 对于三维的矩阵返回值为 logical false。只在一种情况下返回值才为 true,当矩阵的 size(A) 的返回值为[m, n](不可以是[m, n, p]),且 m, n 均非负时。 AI检测代码解析 if ismatrix(I) I = cat(3, I, I, I); end % 二维灰度图像变为三维图像; ...
51、onzeroelements of N where N=(A10) Examples Example 1 X = 1 0 4 -3 0 0 0 8 6; indices = find(X) returns linear indices for the nonzero entries of indices =1 3 4 8 9 Example 2 You can use a logical expression to define find(X 2) returns linear indices corresponding to ...
roots函数用于计算系数向量表示的单变量多项式的根。 例如,创建一个向量以表示多项式x2−x−6,然后计算多项式的根。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 p=[1-1-6];r=roots(p)r=3-2 按照惯例,MATLAB以列向量形式返回这些根。
, ib2 = [9 1]' c = intersect([1 NaN 2 3],[3 4 NaN 1]) % NaNs compare as not equal, so this returns c = [1 3] Class support for inputs A and B, where A and B must be of the same class unless stated otherwise: - logical, char, all numeric ...
colorcodingcomplex datadata explorationdata matrixheatmaplogical datanumeric data Cancel Preprocessing Time Series Data with MATLAB Read now Select a Web Site Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you ...
(isnumeric(d)||islogical(d)||ischar(d))error(message('MATLAB:dec2bin:InvalidDecimalArg'));elseif~isreal(d)error(message('MATLAB:dec2bin:MustBeReal'));endd=d(:);% Make sure d is a column vector.if~all(isfinite(d))error(message('MATLAB:dec2bin:MustBeFinite'));endifnargin<2numB...
1)A character is represented in ASCII using a numeric code between 0 to 255(字符通过ASCII用0到255之间的数字代码表示) 2)Create a character or a string by putting them into a pair of apostrophe(将一个字符或字符串放入一对引号中) 示例代码: clc clear s1 = 'h' whos uint16(s1) 结果: 示...