Post Reopened by Michael E2, Chris Degnen, kglr, Mr.Wizard
4 Clarification
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How can I add ana tangent arrow at a certain point of a curve with the direction of the arrow tangential to that pointin a LogPlot?

How can I add an arrow at a certain point of a curve with the direction of the arrow tangential to that point? (Line are not straight in a log-plot.)

LogPlot[(1 - τ)^(-0.5),
 {τ, 0, 1}, PlotRange -> {{0, 1}, {0.66, 20}},
 Frame -> {{True, True}, {True, False}},
 ImageSize -> 600,
 PlotStyle -> {Directive[Black, Thick]},
 BaseStyle -> {FontSize -> 30},
 RotateLabel -> False,
 AspectRatio -> 1
 ]

enter image description here

How can I add an arrow at a certain point of a curve with the direction of the arrow tangential to that point?

LogPlot[(1 - τ)^(-0.5),
 {τ, 0, 1}, PlotRange -> {{0, 1}, {0.66, 20}},
 Frame -> {{True, True}, {True, False}},
 ImageSize -> 600,
 PlotStyle -> {Directive[Black, Thick]},
 BaseStyle -> {FontSize -> 30},
 RotateLabel -> False,
 AspectRatio -> 1
 ]

enter image description here

How can I add a tangent arrow at a certain point of a curve in a LogPlot?

How can I add an arrow at a certain point of a curve with the direction of the arrow tangential to that point? (Line are not straight in a log-plot.)

LogPlot[(1 - τ)^(-0.5),
 {τ, 0, 1}, PlotRange -> {{0, 1}, {0.66, 20}},
 Frame -> {{True, True}, {True, False}},
 ImageSize -> 600,
 PlotStyle -> {Directive[Black, Thick]},
 BaseStyle -> {FontSize -> 30},
 RotateLabel -> False,
 AspectRatio -> 1
 ]

enter image description here

    Post Closed as "duplicate" by gpap, RunnyKine, eldo, Öskå, Mr.Wizard of
3 formated code, edited title
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How tocan I add aan arrow at a certain point of a curve, and with the direction of the arrow is tangential to that point?

2 formated code
source | link
LogPlot[(1 - τ)^(-0.5),
 {τ, 0, 1}, PlotRange -> {{0, 1}, {0.66, 20}},
 Frame -> {{True, True}, {True, False}},
 ImageSize -> 600,
 PlotStyle -> {Directive[Black, Thick]},
 BaseStyle -> {FontSize -> 30},
 RotateLabel -> False,
 AspectRatio -> 1
 ]

LogPlot[(1 - [Tau])^(-0.5), {[Tau], 0, 1}, PlotRange -> {{0, 1}, {0.66, 20}}, Frame -> {{True, True}, {True, False}}, ImageSize -> 600, PlotStyle -> {Directive[Black, Thick]}, BaseStyle -> {FontSize -> 30}, RotateLabel -> False, AspectRatio -> 1 ] enter image description here

LogPlot[(1 - [Tau])^(-0.5), {[Tau], 0, 1}, PlotRange -> {{0, 1}, {0.66, 20}}, Frame -> {{True, True}, {True, False}}, ImageSize -> 600, PlotStyle -> {Directive[Black, Thick]}, BaseStyle -> {FontSize -> 30}, RotateLabel -> False, AspectRatio -> 1 ] enter image description here

LogPlot[(1 - τ)^(-0.5),
 {τ, 0, 1}, PlotRange -> {{0, 1}, {0.66, 20}},
 Frame -> {{True, True}, {True, False}},
 ImageSize -> 600,
 PlotStyle -> {Directive[Black, Thick]},
 BaseStyle -> {FontSize -> 30},
 RotateLabel -> False,
 AspectRatio -> 1
 ]

enter image description here

1
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