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sprintf for 3.1901 to show 03.190

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Purnendu Nath 2020-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/518152-sprintf-for-3-1901-to-show-03-190

评论： Purnendu Nath 2020-4-15

采纳的回答： Walter Roberson

I have the numbers

s = 3.1901

and

ss = 13.1905

and want to use

sprintf(formatSpec, s) and sprintf(formatSpec, ss)

to return

03.190 {i.e. rounded to 3DP and the leading zero shown}

and

13.191 {i.e. rounded to 3DP}

so both 3.1901 and 13.1905 should return

2 places before the DP (leading zero for 3.1901)

and

3 places after the DP (rounded to 3 DP)

I am struggling to figure out the correct formatSpec when calling sprintf(formatSpec, ....)

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采纳的回答

Walter Roberson 2020-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/518152-sprintf-for-3-1901-to-show-03-190#answer_426245

%06.3f should do it.

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Purnendu Nath 2020-4-15

Thanks Walter!

I figured it out after struggling for an hour and then looking on Stack overflow in general printf rather than Matlab specific pages... Your confirmation is of value too, I appreciate it.

Cheers!

Purnendu

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