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工程函数

Spread 提供以下工程函数，按字母顺序排列。

函数 描述
BESSELI 此函数计算为纯虚参数评估的第一类修正贝塞尔函数。
BESSELJ 该函数计算第一类贝塞尔函数。
BESSELK 此函数计算为纯虚参数评估的第二类修正贝塞尔函数。
BESSELY 该函数计算第二类贝塞尔函数。
BIN2DEC 此函数将二进制数转换为十进制数。
BIN2HEX 此函数将二进制数转换为十六进制数。
BIN2OCT 此函数将二进制数转换为八进制数。
BITAND 此函数返回两个数字的按位"AND"
BITLSHIFT 此函数返回两个数字的按位"OR"
BITOR 此函数返回两个数字的按位"OR"
BITRSHIFT 此函数返回两个数字的按位"OR"
BITXOR 此函数返回两个数字的按位“XOR”。
COMPLEX 此函数将实数和虚数系数转换为复数。
CONVERT 此函数将一个数字从一个测量系统转换为另一个测量系统中的等效数字。
DEC2BIN 此函数将十进制数转换为二进制数。
DEC2HEX 此函数将十进制数转换为十六进制数。
DEC2OCT 此函数将十进制数转换为八进制数。
DELTA 此函数识别两个值是否相等。如果相等则返回 1；否则返回 0。
ERF 该函数计算在下限和上限之间积分的误差函数。
ERF.PRECISE 此函数返回错误函数。
ERFC 该函数计算在下限和无穷大之间积分的互补误差函数。
ERFC.PRECISE 该函数返回互补的 ERF 函数。
GESTEP 此函数大于或等于 step，返回一个数字是否等于阈值的指示。
HEX2BIN 此函数将十六进制数转换为二进制数。
HEX2DEC 此函数将十六进制数转换为十进制数。
HEX2OCT 此函数将十六进制数转换为八进制数。
IMABS 此函数返回复数的绝对值或模数。
IMAGINARY 此函数返回复数的虚系数。
IMARGUMENT 此函数返回参数 theta，它是以弧度表示的角度。
IMCONJUGATE 此函数返回复数的复共轭。
IMCOS 此函数返回复数的余弦。
IMCOSH 此函数以 x+yi 或 x+yj 文本格式返回复数的双曲余弦值。
IMCOT 此函数以 x+yi 或 x+yj 文本格式返回复数的余切。
IMCSC 此函数以 x+yi 或 x+yj 文本格式返回复数的余割。
IMCSCH 此函数以 x+yi 或 x+yj 文本格式返回复数的双曲余割。
IMDIV 此函数返回两个复数的商。
IMEXP 此函数返回复数的指数。
IMLN 此函数返回复数的自然对数。
IMLOG10 此函数返回复数的常用对数。
IMLOG2 此函数返回复数的以 2 为底的对数。
IMPOWER 此函数返回一个复数的幂。
IMPRODUCT 此函数以 x+yi 或 x+yj 文本格式返回最多 29 个复数的乘积。
IMREAL 此函数以 x+yi 或 x+yj 文本格式返回复数的实系数。
IMSEC 此函数返回 x+yj 文本格式的 x+yi 复数的割线。
IMSECH 此函数以 x+yi 或 x+yj 文本格式返回复数的双曲正割。
IMSIN 此函数以 x+yi 或 x+yj 文本格式返回复数的正弦值。
IMSINH 此函数返回 x+yj 文本格式的 x+yi 复数的双曲正弦值。
IMSQRT 此函数以 x+yi 或 x+yj 文本格式返回复数的平方根。
IMSUB 此函数以 x+yi 或 x+yj 文本格式返回两个复数的差值。
IMSUM 此函数以 x+yi 或 x+yj 文本格式返回两个或多个复数的总和。
IMTAN 此函数以 x+yi 或 x+yj 文本格式返回复数的正切值。
OCT2BIN 此函数将八进制数转换为二进制数。
OCT2DEC 此函数将八进制数转换为十进制数。
OCT2HEX 此函数将八进制数转换为十六进制数。