# program lab1 var real integer Function Comp_N eps real integer boolean

 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100``` ```program lab1; var x: real; n: integer; Function Comp_N (x,eps:real; n:integer): boolean; Var prov: boolean; comp: real; one_s: real; step: real; Begin prov := true; { WriteLN ('n ',n); If (n mod 2 = 0) then one_s := 1 else one_s := -1; If (x<1) then x := -x; n := n + 1; step := exp(n*ln(x-1)); comp := (one_s*step)/n; If (comp>eps) then prov := false; WriteLN ('one_s ',one_s); WriteLN ('step ',step); WriteLN ('comp ',comp); WriteLN ('n ',n); } If (n mod 2 = 0) then one_s := 1 else one_s := -1; n := n + 1; step := Power((x-1),n); comp := (one_s*step)/n; comp := Abs(comp); If (comp>eps) then prov := false; //WriteLN ('one_s ',one_s); //WriteLN ('step ',step); //WriteLN ('comp ',comp); //WriteLN ('n ',n); Comp_N := prov; End; Function Summ_ln (x:real; n:integer): real; var summ,one_s,step:real; Begin If (n mod 2 = 0) then one_s := 1 else one_s := -1; n := n + 1; step := Power((x-1),n); summ := (one_s*step)/n; Summ_ln := summ; End; Function my_ln(x:real): real; Var eps,lnx:real; n: integer; Begin WriteLN ('Vvedite Epsilon'); Read (eps); n := 0; lnx :=0; While Comp_N(x,eps,n) do begin lnx := lnx + Summ_ln(x,n); n := n+1; WriteLN ('lnx = ',lnx); end; WriteLN ('lnx = ',lnx); End; BEGIN WriteLN ('Vvedite X'); Read (x); If ((x>0) and (x<=2)) then Begin WriteLN('X vvedeno verno'); my_ln(x); End else WriteLN('X vvedeno ne verno'); { WriteLN ('Vvedite Epsilon'); Read (eps); //WriteLN ('Otv',Comp_N(x,eps,0)); n := 0; lnx :=0; While (Comp_N(x,eps,n) = true) do Begin lnx := lnx + Summ_ln(x,n); n := n+1; WriteLN ('lnx = ',lnx); End; } END. ```