Solving an Equation Using a Formula with an Increasing Level of Values

Question

Lev Mihailov 2022-2-21

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https://ww2.mathworks.cn/matlabcentral/answers/1655020-solving-an-equation-using-a-formula-with-an-increasing-level-of-values

评论： Walter Roberson 2022-2-21

There is a matrix, for each section you need to add a value, how can this be done?

v = [1 2 3 4] ; 
iwant = repmat(v,6,1)
% formula v+0.5*cos(7)/pi % presented without multiplication by cosine and division by pi
iwant = 6×4
     1.5     2.5   3.5   4.5
     2       3     4     5
     2.5     3.5   4.5   5.5
     3       4     5     6
     3.5     4.5   5.5   6.5
     4       5     6     7

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Answer 1

Walter Roberson 2022-2-21

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https://ww2.mathworks.cn/matlabcentral/answers/1655020-solving-an-equation-using-a-formula-with-an-increasing-level-of-values#answer_901165

在 MATLAB Online 中打开

v = [1 2 3 4] ; 
iwant = repmat(v,6,1);
iwant + (1:6).'/2
ans = 6×4
    1.5000    2.5000    3.5000    4.5000
    2.0000    3.0000    4.0000    5.0000
    2.5000    3.5000    4.5000    5.5000
    3.0000    4.0000    5.0000    6.0000
    3.5000    4.5000    5.5000    6.5000
    4.0000    5.0000    6.0000    7.0000