MATLAB: If you try to run the fllowing program,how long would it take

c=clock
d=c(3)
while d==c(3)
c=clock;
end

what's the meaning of"if you insist on running it,change both 3's to 5's "?

this code is copy from P44, Experiments with MATLAB,Cleve Moler

Best Answer

My guess would be until local midnight the day the program started.

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MATLAB: How to write a function to convert numerical month of the year to the name of that month

Hints (probably too much of a hint):

months = {'January', 'February', 'March', 'April', 'May', 'June', ...
  'July', 'August', 'September', 'October', 'November', 'December'};
monthNumber = 3;  % Whatever .. use inputdlg() to ask user.
if monthNumber > 1 && monthNumber < length(months)
  theMonth = months{monthNumber}
end
switch monthNumber
  case {1,2,3,............. You finish it!
    fprintf('You picked month %s\n', months..... You finish it!
  otherwise
    fprintf('Invalid month number of %d', monthNumber);
end

You're going to have to finish/fix it and add the elseif to the "if" case to alert user to the invalid month. If you want to do it with 11 elseif's and check every number from 1 to 12 individually, you can do that, but it's really completely unnecessary since you can get the month with a simple index into the months array.

MATLAB: Without using any matlab built-in program,how can I create a program that tells about the no of rows and column in a matrix

A = rand(10,10) ;
%%Get rows

try
    k = 1;
    while( true )
        A(k,1) ;
        k = k + 1;
    end
catch
    nx  = k-1 ;
end
%%Get columns 
%%Get rows
try
    k = 1;
    while( true )
        A(1,k) ;
        k = k + 1;
    end
catch
    ny  = k-1 ;
end
[nx,ny]

Best Answer

Related Solutions

MATLAB: How to write a function to convert numerical month of the year to the name of that month

MATLAB: Without using any matlab built-in program,how can I create a program that tells about the no of rows and column in a matrix

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