peak是什么意思
peak [ pi:k ]
n. 山峰;最高点;顶点;帽舌
vt. 使达到最高点;使竖起
vi. 消瘦;到达最高点;变憔悴
adj. 最高的;最大值的
peak啥意思
peak
英 [pi:k]美 [pik]
n.
山峰;最高点;尖端;帽舌
vi.
达到高峰,达到最大值;消瘦;变憔悴
adj.
最高的;最大值的
第三人称单数:peaks 复数:peaks 现在进行时:peaking 过去式:peaked
易混淆单词:Peak
PEAK是什么意思?
匹克,由英文“PEAK”音译而来,寓意不竭攀越顶峰的自我应战肉体!匹克三角形图形标志代表着山岳,传送着不竭朝上进步的果断决定信念,意味着匹克不竭攀越顶峰的自我应战和创作发觉未来。以“更快、更高、更强”的奥林匹克肉体,塑造出体育运动品牌高贵的抽象。
感谢您对匹克的支持!
matlab中peak是什么意思a?
是峰函数,peaks(30)是产生30×30的guassian分布矩阵,你可以去查查,它的help说的很明白
看看源程序就明白了。
>> type peaks
function [xz,y,z] = peaks(arg1,arg2)
%PEAKS A sample function of two variables.
% PEAKS is a function of two variables, obtained by translating and
% scaling Gaussian distributions, which is useful for demonstrating
% MESH, SURF, PCOLOR, CONTOUR, etc.
% There are several variants of the calling sequence:
%
% Z = PEAKS;
% Z = PEAKS(N);
% Z = PEAKS(V);
% Z = PEAKS(X,Y);
%
% PEAKS;
% PEAKS(N);
% PEAKS(V);
% PEAKS(X,Y);
%
% [X,Y,Z] = PEAKS;
% [X,Y,Z] = PEAKS(N);
% [X,Y,Z] = PEAKS(V);
%
% The first variant produces a 49-by-49 matrix.
% The second variant produces an N-by-N matrix.
% The third variant produces an N-by-N matrix where N = length(V).
% The fourth variant evaluates the function at the given X and Y,
% which must be the same size. The resulting Z is also that size.
%
% The next four variants, with no output arguments, do a SURF
% plot of the result.
%
% The last three variants also produce two matrices, X and Y, for
% use in commands such as PCOLOR(X,Y,Z) or SURF(X,Y,Z,DEL2(Z)).
%
% If not given as input, the underlying matrices X and Y are
% [X,Y] = MESHGRID(V,V)
% where V is a given vector, or V is a vector of length N with
% elements equally spaced from -3 to 3. If no input argument is
% given, the default N is 49.
% CBM, 2-1-92, 8-11-92, 4-30-94.
% Copyright 1984-2006 The MathWorks, Inc.
% $Revision: 5.10.4.3 $ $Date: 2006/06/27 23:02:56 $
if nargin == 0
dx = 1/8;
[x,y] = meshgrid(-3:dx:3);
elseif nargin == 1
if length(arg1) == 1
[x,y] = meshgrid(linspace(-3,3,arg1));
else
[x,y] = meshgrid(arg1,arg1);
end
else
x = arg1; y = arg2;
end
z = 3*(1-x).^2.*exp(-(x.^2) - (y+1).^2) ...
- 10*(x/5 - x.^3 - y.^5).*exp(-x.^2-y.^2) ...
- 1/3*exp(-(x+1).^2 - y.^2);
if nargout > 1
xz = x;
elseif nargout == 1
xz = z;
else
% Self demonstration
disp(' ')
disp('z = 3*(1-x).^2.*exp(-(x.^2) - (y+1).^2) ... ')
disp(' - 10*(x/5 - x.^3 - y.^5).*exp(-x.^2-y.^2) ... ')
disp(' - 1/3*exp(-(x+1).^2 - y.^2) ')
disp(' ')
surf(x,y,z)
axis('tight')
xlabel('x'), ylabel('y'), title('Peaks')
end
peaks是Matlab内置的,常用于做演示使用的函数,特别是绘制三维图形的时候
peaks函数根据输入参数不同,返回一个山峰的三维坐标数据
因为突然要我们找一个合适的三维数据还真有些不太方便,而此时通过这个peaks数据我们可以演示一些三维的绘图或处理,比如等高线、网格图、曲面图等
peak啥意思
peak
英 [pi:k]美 [pik]
n.
山峰;最高点;尖端;帽舌
vi.
达到高峰,达到最大值;消瘦;变憔悴
adj.
最高的;最大值的
第三人称单数:peaks 复数:peaks 现在进行时:peaking 过去式:peaked
易混淆单词:Peak
请问RMS和peak是什么意思
这是针对交流电的两个数值定义,RMS习惯称为均方根值,也叫方均根值:是英文Root Meam Square(平方和后再平均,随后再开方)的首字母缩写。通常,RMS也是等效直流发热功能的等效值。
Peak(英文峰)是波形的峰值,指波形在交替变化过程中的最高值(或者最低值)。
Peak什么意思 ,,,,,,,,,,
Peak
[人名] [英格兰人姓氏] 皮克地貌名称,或地区名称,来源于古英语,含义是“山峰,尖顶山”(peak,pointed hill); [地名] 峰(英语);
peak
[英][pi:k][美][pik]
n.山峰; 最高点; 尖端; 帽舌;
vi.达到高峰,达到最大值; 消瘦; 变憔悴;
adj.最高的; 最大值的;
peak time是什么意思
peak time;翻译:高峰期.
例句:
1、During peak hours, the line is often engaged.
在通话高峰期,线路总是很忙。
2、The peak time for passenger transport will come earlier this year.
今年春运的客流高峰期提前到来。