MATLAB: How to make matlab display final complete results directly

MATLAB

Here's an example

>> R(1)
ans =
-log(- 1004229921906619062839952526185507/1913851274991446601508198548841385*i - 143584884070040384103267078403784/1913851274991446601508198548841385)

i want to know the value of R(1) R is a 3×1 matrix, and R(1) will display the result in R(1,1) but the results is in a long form,

i need to highlight the results, right click, and click "evaluate selection"

>> -log(- 1004229921906619062839952526185507/1913851274991446601508198548841385*i - 143584884070040384103267078403784/1913851274991446601508198548841385)
ans =
     0.6348 + 1.7128i

why is this happening, how can i make it display the final answer 0.6348 + 1.7128i straight away?

Best Answer

Are you looking for the DISP command?

The number 1004229921906619062839952526185507 has more digits than can be represented as DOUBLE.

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MATLAB: How to extract coefficient of a certain term in Matlab

Try this:

syms f1 f2 a
pexpansion = f1 - f2 - a*(f1 - f2) + f2/a + a^2*(f1 - f2) - a^3*(f1 - f2) + a^4*(f1 - f2);
pexpansion = expand(a * pexpansion);                            % Eliminate ‘a’ In Denominator
[cfs,trms] = coeffs(pexpansion, a);                             % Coeffients & Terms
Result = cfs(trms == a)                                         % Coefficient Of ‘a’
Result =
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MATLAB: How to calculate minimum if there are more maximum values in a column

If I understand correctly what you want, this will work:

A = [ 0.3907 0.3907 0.4650 0.2642 0.465 0.2642 0.465 0.3197 0.465 0.465 0.3197 0.465 0.3907 0.3907 0.465 0.465 ];
B = [ 0.8807 1.3866 1.5753 0.9959 1.6291 0.935 2.0934 1.1718 1.7681 2.0563 0.6348 1.4603 1.4598 1.2062 1.3946 2.0387 ];
Amax = find(A == max(A));
Bmin = find(B == min(B));
Best_min = setdiff(Bmin,Amax);                          % Index Of Minimum Meeting Constraints
Best_min_mtx = [Best_min, B(Best_min)]                  % Index And Value For ‘B’
Best_min_mtx =
           11       0.6348

Best Answer

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MATLAB: How to extract coefficient of a certain term in Matlab

MATLAB: How to calculate minimum if there are more maximum values in a column

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