solving exponential equation from a matrix values

Question

PK 2012-9-28

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https://ww2.mathworks.cn/matlabcentral/answers/49336-solving-exponential-equation-from-a-matrix-values

for the equation 1/1+exp(-A)), A is a matrix of some length ex: A=[1 2 3 4 5] the equation is to be solved by taking every value from A and after that result is to be placed in another matrix, can some one help in finding a solution for this, the length of A is variable.

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Answer 1

Andrei Bobrov 2012-9-28

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https://ww2.mathworks.cn/matlabcentral/answers/49336-solving-exponential-equation-from-a-matrix-values#answer_60263

在 MATLAB Online 中打开

A=[1 2 3 4 5];
out = 1./(1+exp(-A))

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PK 2012-9-28

and with a constant incremental of +1 the out result is to be multiplied and stored in another matrix ex: A=[1 2 3 4 5] and W=4 so the result is to be as OUT=[1*W 2*(W+1) 3*(W+3) 4*(W+4) 5*(W+5)] addition to occur first and then multiplication can u help in this.

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