How to solve 0 = x × 114 − x × log 3 ⁡ ( x ) − 20.28 × y in matlab for different values of y? y = 10 3 , 10 6 , 10 9 , 10 12 , 10 15 , . . . and above mentioned equation. How to solve (i.e. getting values of x for different y) and plot this equation in MATLAB ?

Question

How to solve   0  =  x  ×  114  −  x  ×      log    3    ⁡  (  x  )  −  20.28  ×  y in matlab for different values of   y?  y  =      10    3    ,      10    6    ,      10    9    ,      10          12        ,      10          15        ,  .  .  .  and above mentioned equation. How to solve (i.e. getting values of x for different y) and plot this equation in MATLAB ?

x0xkatiex0xz6u · Accepted Answer

For finding zeros you can use fzero, you just have to use a starting value 𝑥0.x0 = 10;y=10^3;f = @(x) 114*x-log(abs(x))/log(3) .* x - 20.28*y;fzero(f,x0);You then have to check whether the solution is greater than 0 because we used 𝑙𝑜𝑔(|𝑥|).For implicit plots (as you seemed to ask first) you can use following functions: You can use the contour function for implicit plots: Just provide a nullvector as levels. Other functions for implicit plots are implot, implot2, and ezplot.

How to solve 0=x114−xlog_3(x)−20.28*y in matlab for different values of y?

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