fprintf('Exact value of a is : %d\n', a );fprintf('Exact value of b is : %d\n', b );MATLAB 执行上面示例代码，得到以下结果：Value of a is 100 and b is 200 Exact value of a is : 100 Exact value of b is : 200 ...
用~exist()来检测是否定义了变量。这个函数可以用来检测是否定义了变量,如果没有定义,我们可以定义。 这时上面的函数可以改写为: function c = product(a,b) if ~exist('b','var') b = 1; end c = a*b; end 这个时候我们就可以完成对b设置默认值。但是我们还可以进一步改进:例如函数有a,b,c三个参数...
x = 42; if exist('myfunction.m','file') && (myfunction(x) >= pi) disp('Expressions are true') end The first part of the expression evaluates to false. Therefore, MATLAB does not need to evaluate the second part of the expression, which would result in an undefined function error....
x = 42; if exist('myfunction.m','file') && (myfunction(x) >= pi) disp('Expressions are true') end The first part of the expression evaluates to false. Therefore, MATLAB does not need to evaluate the second part of the expression, which would result in an undefined function error....
x = 42; if exist('myfunction.m','file') && (myfunction(x) >= pi) disp('Expressions are true') end The first part of the expression evaluates to false. Therefore, MATLAB does not need to evaluate the second part of the expression, which would result in an undefined function error....
x = 42;ifexist('myfunction.m','file') && (myfunction(x) >= pi) disp('Expressions are true')end The first part of the expression evaluates to false. Therefore, MATLAB does not need to evaluate the second part of the expression, which would result in an undefined function error. ...
x = 42;ifexist('myfunction.m','file') && (myfunction(x) >= pi) disp('Expressions are true')end The first part of the expression evaluates to false. Therefore, MATLAB does not need to evaluate the second part of the expression, which would result in an undefined function error. ...
MATLAB Online에서 열기 You can read about the Exist Command here. For your example, you can do the following; 테마복사 if exist('z','var') == 1 %Do z calculation end if exist('a','var') == 1 %Do a Calculations end 댓글 수: 0 댓글을 달려면...
isExist(x,m)返回0或1
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