如何在MATLAB中获得多行控制台输出？使用horzcat给我一个错误

Question

fprintf(['# True Positive: %d \n',...
            '# False Positive: %d \n',...
            '# True Negative: %d \n',...
            '# False Negative: %d \n,',...
            numTruePos,...
            numFalsePos,...
            numTrueNeg,...
            numFalseNeg]);

然后我收到错误：

??? Error using ==> horzcat
The following error occurred converting from logical to
char:
Error using ==> char
Conversion to char from logical is not possible.

Error in ==> toyProblem at 40
fprintf(['# True Positive: %d \n',...

Answer 1

您似乎将格式字符串的右括号]放在错误的位置。试试这个：

fprintf(['# True Positive: %d \n',...
         '# False Positive: %d \n',...
         '# True Negative: %d \n',...
         '# False Negative: %d \n'],...  %# Moved it to here...
         numTruePos,...
         numFalsePos,...
         numTrueNeg,...
         numFalseNeg);  %# ... from here