MATLAB: Fprintf repetition

fprintf

Hello,

I have to create a table using fprintf and the first two lines look like this:

Physical Temperature T (F) | 40 35 30 25 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45

The first character in the second line is an absolute value line (not sure what it is really called).

T=[40:-5:-45]

When I try to print the second line, I use

fprintf('| %3d',T)

but that keeps giving me the absolute value sign before every value of T.

How can I keep the absolute value sign from repeating itself?

Thanks

Best Answer

Answer: Don't Do That.

fprintf() the absolute value sign in one operation, and then fprintf() the numbers in a second operation.

Or, repeat the ' %3d' part in the format as many times as you have numbers to print. Such as

fprintf('| %3d %3d %3d %3d %3d\n', T)

if you were printing out 5 numbers across.

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MATLAB: How to get the difference between two numbers in a matrix

>> A = [20,40;30,60;25,50;10,70]
A =
   20   40
   30   60
   25   50
   10   70
>> N = size(A,1);
>> V = 1:N-1;
>> F = @(r)bsxfun(@minus,A(r+1:N,:),A(r,:));
>> M = cell2mat(arrayfun(F,V(:),'uni',0))
M =
   10   20
    5   10
  -10   30
   -5  -10
  -20   10
  -15   20

MATLAB: Fprintf table

The secret to fprintf() to print tables, is to construct a single array in which all of the numeric values appear row by row in the same order they would appear on the screen -- and then pass the transpose of that table as the fprintf() argument after the format string.

Best Answer

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MATLAB: How to get the difference between two numbers in a matrix

MATLAB: Fprintf table

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