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Translation of the wiki page Archive:Kdenlive/Manual/File Menu/Quit from English (en) to ދިވެހިބަސް (dv)

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Translations:KmPlot/Using Sliders/Page display title/wls

KmPlot/Using Sliders

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A main feature of '''KmPlot''' is to visualize the influence of parameters to the curve of a function.‎

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==Moving a Sinus Curve==‎

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Let's see, how to move a sinus curve left and right:‎

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* Create a new Cartesian plot. * Enter the equation {{Input|1=f(x,a) = sin(x-a)}} * Check the <menuchoice>Slider</menuchoice> option and choose <menuchoice>Slider No. 1</menuchoice> from the drop down list. * To make the available sliders visible, check <menuchoice>View -> Show Sliders</menuchoice>‎

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Now you can move the slider and see how the parameter value modifies the position of the curve.‎

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<gallery perrow="3" caption="Screenshots"> Image:Kmplot_function_with_param.png|Input Image:Kmplot_view_show_sliders.png|Show sliders option Image:Kmplot_sliders.png|Slider window </gallery>‎

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==Trajectory of a Projectile==‎

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Now let's have a look at the maximum distance of a projectile thrown with different angles. We use a parametric plot depending on an additional parameter which is the angle.‎

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* Define a constant v_0 for the starting velocity. * Create a new parametric plot * Enter the equations {{Input|1=<nowiki>f_x(t,α) = v_0∙cos(α)∙t f_y(t,α) = 2+v_0∙sin(α)∙t−5∙t^2</nowiki>}} * Check the <menuchoice>Slider</menuchoice> option and choose <menuchoice>Slider No. 1</menuchoice> from the drop down list. * To make the available sliders visible, check <menuchoice>View -> Show Sliders</menuchoice>‎

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Now you can move the slider and see how the distance depends on the parameter value.‎

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[[Image:Kmplot_projectile.gif|center|692px|]]‎

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[[Category:Education]]‎

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