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I'm trying to use 2 color functions within one matrix plot in mathematica. Is this possible to do?
For example, using a very simple matrix:
test = Partition[Table[i, {i, 1, 9}], 3]
I would like to make the even numbers vary in color increasing from white to red; and the odd numbers vary in color from grey to black.
How could I do this? I know how to get the whole matrix to vary in color, but no more than this.
You could try defining a ColorFunction as below.
CheckerPlot[array_?MatrixQ] :=
With[{len = Length[Flatten[array]]},
ArrayPlot[array,
ColorFunction->(If[EvenQ[#], Blend[{White, Red}, #/len],
Blend[{Gray,Black}, #/len]] &),
ColorFunctionScaling -> False]
]
Execute by using, for example,
CheckerPlot[Partition[Table[i, {i,1,36}], 5]]
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I have created a bar chart that has the values of each of the columns at the end of each bar. The color of the bars is the same as the text of the values. The problem is that based on the width of the container/browser by default the values move inside the bar. But then you can't read the text as the bar and text are the same. I would prefer to have the values outside the bar but when they have to move inside the bar due to space is there a way to change the font color to white so that it is readable? Here is an example of the chart.
https://playground.anychart.com/DAlu15WO/2
Unfortunately, there's no possibility to detect if the label was moved inside the bar or not. But you can enable label background to increase its readability like in the sample.
Pay attention to lines 96-97.
All available background settings you can find in the list.
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If I have a slider and the minimum value is 0, and the maximum value is 10, then you can drag it and move it from 0 to 10, and everywhere in between. Is there any way I could make it "jump" from 0, to 1, to 2, like only moving 1 at a time? Or moving 0.1? As in it wouldn't slide fluidly, it would jump along ten spaces, or 100 spaces.
Sure, just set a step attribute like:
<input type="range" min="0" max="10" step="1">
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Is it possible to change the inner padding of text field? Currently when you take a normal text field in html and write something in there it'll have padding in the beginning and in the end of it. The numbers written in my text field have at most 3 digits and currently the padding pretty much covers the width of 1.5 to 2 digits and already with 2 digits (see number 10 on image) it'll get a bit dragged out.
Added image of it as well, in the first field the padded area is marked with red line.
I dont have code but
.my_input_class{
padding:0;
}
Or, really, the size of the text box needs to be a bit larger, or you put a character limit on it
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I was wondering if anybody knew how to find the width of a circle in any given y position. For example, lets say you have a unit circle, the radius is 100 units tall. Now three fourths the way up the circle, 25 units above the center of the circle, there is a line parallel to the x axis that extends from one edge of the circle to the other. it looks a bit like this.
How big is that line, and what algorithm did you use to solve this?
First, label what you know:
Looks like a triangle to me.
Now, solve for X and double it:
x^2 + 25^2 = 100^2 (Pythagorean theorem)
x^2 = 9375 (Simplify)
x = 96.8 (Square root both sides, now we know x)
Length of chord: 193.6 (Length of chord is 2 times x)
Here is a site that can help you: http://www.mathopenref.com/chord.html
Since you tagged your question with Scratch, here is a function to help you:
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How to add a movieclip to an index in AS3 ?
I have been trying to use AddChild in order but it doesnt work, is there a way I can add Certain Object to specific Index ?
simply Add addChildAt (mc , index) not just addChild(mc)
DisplayObjectContainer has several ways to manipulate its child z-position:
swapChildren(child1:DisplayObject, child2:DisplayObject)
will swap the z-order (front-to-back order) of the two specified child objects
swapChildrenAt(index1:int, index2:int)
will swap the z-order (front-to-back order) of the child objects at the two specified index positions in the child list
setChildIndex(child:DisplayObject, index:int)
will change z-position of a child in the display object container
addChildAt(child:DisplayObject, index:int)
adds a child to specified position
You can find more info here