how to remove points which height (axis y) is more than 75% of the height

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Antonella
Antonella 2013-10-1
评论： Antonella 2013-10-1
I have a graphic and i have to Remove all points which height (in the axis y) are more than 75% of the height. Actually, i don't remove this points, just move them to (x, 0.75·heightofword)
How can i do this?
Thanks very much!!!

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Image Analyst
Image Analyst 2013-10-1
Just clip the y axis to 75% of the max y value.
maxY = max(y);
maxYForGraph = 0.75 * maxY;
ylim([min(y), maxYForGraph]);
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Antonella
Antonella 2013-10-1
I have tried to use what you wrote me but without succes. anyway the thing that i have to do before is this:
To move the corner to (0,0).I have to find xmin and ymin and then each point (x,y) has to move to (x-xmin, y-ymin). The height of a word is ymax-ymin (before moving). If i compute it after having moved then it is ymax’ (ymax after the moving).
how i can do this?
Thanks so much!

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