arr=np.array([5,2,8,1,9,3,7])max_index=np.argmax(arr)print("numpyarray.com: Index of maximum value:",max_index) Python Copy Output: np.argmax()返回数组中最大值的索引。 6. 查找满足条件的第一个值的索引 有时我们只需要找到满足条件的第一个值的索引。 importnumpyasnp arr=np.array(...
np.maxnp.nanmax Find maximum value np.argmin np.nanargmin Find index of minimum value np.argmax np.nanargmax Find index of maximum value np.median np.nanmedian Compute median of elements np.percentile np.nanpercentile Compute rank-based statistics of elements np.anyN/A Evaluate whetheranye...
print 'Index of maximum number in flattened array' print a.flatten() print '\n' print 'Array containing indices of maximum along axis 0:' maxindex = np.argmax(a, axis = 0) print maxindex print '\n' print 'Array containing indices of maximum along axis 1:' maxindex = np.argmax(a...
np.maxnp.nanmaxFind maximum value np.argminnp.nanargminFind index of minimum value np.argmaxnp.nanargmaxFind index of maximum value np.mediannp.nanmedianCompute median of elements np.percentilenp.nanpercentileCompute rank-based statistics of elements np.anyN/AEvaluate whether any elements are ...
all,any,apply_along_axis,argmax,argmin,argsort,average,bincount,ceil,clip,conj,corrcoef,cov,cross,cumprod,cumsum,diff,dot,floor,inner,invert,lexsort,max,maximum,mean,median,min,minimum,nonzero,outer,prod,re,round,sort,std,sum,trace,transpose,var,vdot,vectorize,where 索引、切片和迭代 一维数组可...
maximum和minimum不再发出警告 Umath 和 multiarray c-extension 模块合并为单一模块 getfield有效性检查扩展 NumPy 函数现在支持__array_function__重载 基于只读缓冲区的数组不可设置writeable 1.15.4 兼容性说明 贡献者 合并的 Pull 请求 1.15.3 兼容性说明 贡献者 合并的 Pull 请求 1.15.2 ...
np.maximum(arr1,arr2) # matrix([[ 6, 8, 2, 10]]) np.minimum(arr1,arr2) # matrix([[1, 5, 1, 9]]) #greater>,greater_equal>= 得到一个布尔值矩阵或者数组 np.greater(arr1,arr2) # matrix([[False, True, True, False]]) ...
更多函数all, alltrue, any, apply along axis, argmax, argmin, argsort, average, bincount, ceil, clip, conj, conjugate, corrcoef, cov, cross, cumprod, cumsum, diff, dot, floor, inner, inv, lexsort, max, maximum, mean, median, min, minimum, nonzero, outer, prod, re, round, sometrue...
更多函数all, alltrue, any, apply along axis, argmax, argmin, argsort, average, bincount, ceil, clip, conj, conjugate, corrcoef, cov, cross, cumprod, cumsum, diff, dot, floor, inner, inv, lexsort, max, maximum, mean, median, min, minimum, nonzero, outer, prod, re, round, sometrue...
(len(shape),)).astype(int)R_stop = np.array(list(shape)).astype(int)Z_start = (P-Rs//2)Z_stop = (P+Rs//2)+Rs%2R_start = (R_start - np.minimum(Z_start,0)).tolist()Z_start = (np.maximum(Z_start,0)).tolist()R_stop = np.maximum(R_start, (R_stop - np.maximum...