1.an almost pleasurable sensation of fright;
a frisson of surprise shot through him
2.a shaky motion;
the shaking of his fingers as he lit his pipe
3.case for holding arrows
4.the act of vibrating
1.shake with fast, tremulous movements;
His nostrils palpitated
2.move back and forth very rapidly;
the candle flickered
3.move with or as if with a regular alternating motion;
the city pulsated with music and excitement
函數簡介函數功能 使用箭頭繪制矢量圖。例如,該函數可用于繪制梯度圖。 語法格式 quiver(x,y,u,v) 該函數使用箭頭來直觀的顯示矢量場。該調用格式表示通過在(x, y)指定的位置繪制小箭頭來表示以該點為起點的向量(u,v)。 x、y、u、v的行數、列數必須對應相等。即x、y、u、v必須是同型矩陣。 需要注意的是,如果x、y不是矩陣,MATLAB會調用meshgrid函數將其擴展。然后再調用quiver函數。在這種情況下,x中元素的個數必須等于u、v的