Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties:Integers in each row are sorted fr...
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其他好文 时间:
2014-11-17 00:17:02
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215
Matlab提取特征值是经常要读取多个图片文件,把文件名保存在数组中后再读取会出错。从stackoverflow中找到如下解决方法:I've a M by N matrix, each cell contains a character array, that is an image path. H...
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2014-11-16 20:03:43
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153
import android.content.Context; import android.graphics.Matrix; import android.graphics.PointF; import android.util.AttributeSet; import android.util....
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2014-11-16 17:14:09
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213
Mask operations on matrices are quite simple. The idea is that we recalculate each pixels value in an image according to a mask matrix (also known as ...
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2014-11-16 17:07:47
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212
Given any $k$-tupel of linearly independent vectors $X$ as above, there exists a $k$-tuple $Y$ biorthognal to it. If $k=n$, this $Y$ is unique. \eex$$...
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2014-11-16 12:02:08
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151
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.1.3Use the QR decomposition to prove Hadamard's inequality: if $X=(x_1,\cdots,x_n)$, t...
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2014-11-16 11:58:53
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153
Use the QR decomposition to prove Hadamard's inequality: if $X=(x_1,\cdots,x_n)$, then $$\bex |\det X|\leq \prod_{j=1}^n \sen{x_j}. \eex$$ Equality ho...
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2014-11-16 11:54:28
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107
Let $X$ be nay basis of $\scrH$ and let $Y$ be the basis biorthogonal to it. Using matrix multiplication, $X$ gives a linear transformation from $\bbC...
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2014-11-16 11:53:20
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169
你能用最快的速度找到矩阵中是否有我们想要的值吗。例如:1 2 34 5 67 8 9target = 9,return true,target=10,return false。ps:矩阵升序(左到右,上到下),但不一定是连续数字。解法:两次二分。1. 一次二分找到给定的target可能在第几行2. ...
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其他好文 时间:
2014-11-15 18:29:01
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175
Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row are sorted from l...
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其他好文 时间:
2014-11-15 18:23:59
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165